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WO2024142846A1 - Composition de produit cosmétique - Google Patents

Composition de produit cosmétique Download PDF

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Publication number
WO2024142846A1
WO2024142846A1 PCT/JP2023/043984 JP2023043984W WO2024142846A1 WO 2024142846 A1 WO2024142846 A1 WO 2024142846A1 JP 2023043984 W JP2023043984 W JP 2023043984W WO 2024142846 A1 WO2024142846 A1 WO 2024142846A1
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WIPO (PCT)
Prior art keywords
mass
composition
less
oil
polymer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/043984
Other languages
English (en)
Japanese (ja)
Inventor
根生 山本
林 周
理絵 栗延
由樹 渡邊
圭太 西田
桃花 久知良
静磨 田中
祐大 松崎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shiseido Co Ltd
Original Assignee
Shiseido Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2022212699A external-priority patent/JP2024095421A/ja
Priority claimed from JP2022212232A external-priority patent/JP2024095155A/ja
Priority claimed from JP2022212644A external-priority patent/JP2024095380A/ja
Priority claimed from JP2022212687A external-priority patent/JP2024095414A/ja
Priority claimed from JP2022212601A external-priority patent/JP2024095364A/ja
Priority claimed from JP2022212316A external-priority patent/JP2024095206A/ja
Priority claimed from JP2022212274A external-priority patent/JP2024095176A/ja
Application filed by Shiseido Co Ltd filed Critical Shiseido Co Ltd
Publication of WO2024142846A1 publication Critical patent/WO2024142846A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/37—Esters of carboxylic acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/60—Sugars; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair

Definitions

  • the first invention relates to a cosmetic composition.
  • Patent Document 1 discloses a skin topical preparation that combines a specific acrylic acid-based thickener (acrylic acid-based water-soluble polymer) with an erythritol alkyl ether to reduce stickiness and provide an excellent feel when used. More specifically, the skin topical preparation in Patent Document 1 is a skin topical preparation that contains (A) one or more acrylic acid-based thickeners selected from the group consisting of ammonium polyacrylate, copolymers of sodium acrylate and acryloyldimethyltaurine, and copolymers of dimethylacrylamide and acryloyldimethyltaurine, and (B) an erythritol alkyl ether.
  • A one or more acrylic acid-based thickeners selected from the group consisting of ammonium polyacrylate, copolymers of sodium acrylate and acryloyldimethyltaurine, and copolymers of dimethylacrylamide and acryloyldimethyltaurine
  • B an erythrito
  • An oil-in-water emulsion cosmetic composition formed by emulsifying a higher alcohol, a hydrophilic nonionic surfactant, and a lipophilic nonionic surfactant has a low interfacial tension between the oil and water and a high interfacial film hardness, thereby achieving high stability.
  • Several such oil-in-water emulsion cosmetic compositions have been reported so far.
  • Patent Document 4 discloses an oil-in-water emulsified skin cosmetic that provides excellent firmness to the skin, is non-sticky, and has excellent stability without the addition of drugs or film-forming agents. More specifically, the cosmetic in Patent Document 4 contains (a) paraffin wax and/or polyethylene wax, (b) microcrystalline wax, and (c) waxes derived from animals and plants that have a melting point of 75 to 100°C and are mainly composed of an ester of a higher fatty acid having 20 to 32 carbon atoms and an alcohol having 28 to 34 carbon atoms.
  • Patent Document 7 discloses an oil-in-water emulsified skin cleanser that contains (a) sucrose stearate and/or sucrose polystearate, (b) glycerin, (c) a tetrahydric to hexahydric polyalcohol, (d) beeswax, (e) 30.0 to 70.0% by weight of an oil component that is liquid at 25°C, and (f) water.
  • Oil-in-water emulsion cosmetic compositions are characterized by a fresh feeling when used, and are widely used as a base for external skin preparations such as cosmetics.
  • the aqueous phase and the oil phase are usually easily separated when the dispersed oil particles are large, so that stable emulsions are adjusted to have small oil particles (approximately 50 ⁇ m or less).
  • the emulsion cosmetic composition prepared in this manner is not only visually novel and beautiful because it contains dispersed oily particles of visible size covered with an amphiphilic substance, but also provides an unprecedented feel when applied to the skin, with a fresh, light sensation that becomes moist over time.
  • the first invention aims to improve the above situation, and its purpose is to provide a new cosmetic composition that is more quickly absorbed into the skin during application.
  • the second invention aims to improve the above situation, and its purpose is to provide a novel oil-in-water emulsion cosmetic composition that maintains a fresh feel during application, improves the speed with which it blends into the skin during application, and also improves smoothness after application.
  • the third invention aims to improve the above situation, and its purpose is to provide a novel oil-in-water emulsion cosmetic composition that is more quickly absorbed into the skin during application and also provides an improved moist feeling after application.
  • composition of the first invention contains the polymer of the first invention described below.
  • the polymer of the first invention has a structure represented by the following formula (1):
  • R4 is an alkyl group having 1 or 2 carbon atoms. More specifically, R4 may be a methyl group or an ethyl group.
  • One of the characteristics of the first polymer of the present invention is that it has both high water solubility and high lipid solubility.
  • the first composition of the present invention contains water.
  • the water used in the first composition of the present invention is not particularly limited, and may be, for example, water used in cosmetics and quasi-drugs.
  • ion-exchanged water, distilled water, ultrapure water, and tap water can be used.
  • Salicylic acid-based ultraviolet absorbers For example, amyl salicylate, menthyl salicylate, homomenthyl salicylate, octyl salicylate, phenyl salicylate, benzyl salicylate, p-isopropanol phenyl salicylate, etc.
  • Cinnamic acid-based ultraviolet absorbers For example, octyl cinnamate, ethyl 4-isopropyl cinnamate, methyl 2,5-diisopropyl cinnamate, ethyl 2,4-diisopropyl cinnamate, methyl 2,4-diisopropyl cinnamate, propyl p-methoxy cinnamate, isopropyl p-methoxy cinnamate, isoamyl p-methoxy cinnamate, octyl p-methoxy cinnamate (2-ethylhexyl p-methoxy cinnamate), 2-ethoxyethyl p-methoxy cinnamate, cyclohexyl p-methoxy cinnamate, ethyl ⁇ -cyano ⁇ -phenyl cinnamate, 2-ethyl
  • Triazine-based UV absorbers For example, bisresorcinyltriazine, etc. More specifically, bis ⁇ [4-(2-ethylhexyloxy)-2-hydroxy]phenyl ⁇ -6-(4-methoxyphenyl)1,3,5-triazine, 2,4,6-tris ⁇ 4-(2-ethylhexyloxycarbonyl)anilino ⁇ 1,3,5-triazine, etc.
  • UV absorbers For example, 3-(4'-methylbenzylidene)-d,l-camphor, 3-benzylidene-d,l-camphor, 2-phenyl-5-methylbenzoxazole, 2,2'-hydroxy-5-methylphenylbenzotriazole, 2-(2'-hydroxy-5'-t-octylphenyl)benzotriazole, 2-(2'-hydroxy-5'-methylphenylbenzotriazole, dianisoylmethane, 4-methoxy-4'-t-butyldibenzoylmethane, 5-(3,3-dimethyl-2-norbornylidene)-3-pentan-2-one, and pyridazine derivatives such as dimorpholinopyridazinone.
  • Surfactants include, for example, nonionic surfactants, anionic surfactants, cationic surfactants, and amphoteric surfactants. These surfactants may be used alone or in combination of two or more types.
  • Nonionic surfactants include, but are not limited to, PPG-13 decyltetradeceth-24, PEG-20 glyceryl monoisostearate, PEG-7 glyceryl coconut oil fatty acid, PEG-10 monoisostearate, PEG-60 glyceryl isostearate, glyceryl stearate, PEG-12 monoisostearate, polyethylene glycol 400 monooleate, polyethylene glycol 400 monostearate, POE (20) sorbitan monostearate, and the like.
  • POE means a polyoxyethylene group.
  • anionic surfactants include fatty acid soaps such as soap bases, laurates (sodium, potassium, magnesium, ammonium, monoethanolamine, triethanolamine, etc. salts; the same applies below), and palmitates; higher alkyl sulfates such as lauryl sulfate; alkyl ether sulfates such as POE lauryl sulfate; N-acyl sarcosinates such as lauroyl sarcosine; phosphate esters such as POE oleyl ether phosphate and POE stearyl ether phosphate; di-2-ethylhexyl sulfate.
  • fatty acid soaps such as soap bases, laurates (sodium, potassium, magnesium, ammonium, monoethanolamine, triethanolamine, etc. salts; the same applies below), and palmitates
  • higher alkyl sulfates such as lauryl sulfate
  • alkyl ether sulfates such
  • Sulfosuccinates such as lauroyl monoethanolamide polyoxyethylene sulfosuccinate, lauryl polypropylene glycol sulfosuccinate, etc.; alkylbenzenesulfonates such as linear dodecylbenzenesulfonate, etc.; N-acylglutamates such as N-lauroyl glutamate, N-myristoyl-L-glutamate, etc.; N-acylglutamates such as N-lauroyl glutamate, N-myristoyl glutamate, N-stearoyl glutamate, etc.; N-lauroyl glycine salt, N-myristoyl glycine salt, N- N-acyl glycine salts such as stearoyl glycine salts; N-acylalanine salts such as N-lauroyl alanine salt, N-myristoyl alanine salt, and N-stearoyl alanine salt
  • cationic surfactants include, but are not limited to, alkyl trimethyl ammonium salts such as stearyl trimethyl ammonium chloride and lauryl trimethyl ammonium chloride, distearyl dimethyl ammonium chloride dialkyl dimethyl ammonium salts, poly(N,N'-dimethyl-3,5-methylene piperidinium chloride), alkyl pyridinium salts such as cetyl pyridinium chloride, alkyl quaternary ammonium salts, alkyl dimethyl benzyl ammonium salts, alkyl isoquinolinium salts, dialkyl morphonium salts, POE alkyl amines, alkyl amine salts, polyamine fatty acid derivatives, amyl alcohol fatty acid derivatives, benzalkonium chloride, and benzethonium chloride.
  • alkyl trimethyl ammonium salts such as stearyl trimethyl ammonium chloride and lauryl trimethyl ammonium chlor
  • composition of the first invention may contain ingredients that can be normally incorporated into topical skin preparations, as long as the effects of the first invention are not impaired. Specific examples of ingredients that can be incorporated are listed below.
  • polyhydric alcohols examples include polyethylene glycol, glycerin, diglycerin, 1,3-butylene glycol, erythritol, sorbitol, xylitol, maltitol, 1,2-pentanediol, and hexylene glycol.
  • the dosage form of the first composition of the present invention can be adjusted arbitrarily according to the purpose.
  • the first composition of the present invention may be an aqueous system (including an aqueous dispersion system), a solubilized system, an emulsified system, a powder dispersion system, a water-oil two-layer system, a water-oil-powder three-layer system, a gel, a mist, a spray, a mousse, a roll-on, or a stick, or may be a preparation impregnated or applied to a sheet such as a nonwoven fabric.
  • the emulsion system may be, for example, an oil-in-water emulsion composition or a water-in-oil emulsion composition, but is preferably an oil-in-water emulsion composition.
  • the product form of the cosmetic of the first invention is not particularly limited, and may be, for example, facial cosmetics such as lotion, milky lotion, cream, pack, etc.; makeup cosmetics such as foundation, lipstick, eye shadow, etc.; sunscreen cosmetics (sunscreen agents); body cosmetics; fragrance cosmetics; skin cleansing agents such as makeup removers and body shampoos; hair cosmetics such as hair liquids, hair tonics, hair conditioners, shampoos, rinses, hair growth agents, etc.; or ointments, etc.
  • facial cosmetics such as lotion, milky lotion, cream, pack, etc.
  • makeup cosmetics such as foundation, lipstick, eye shadow, etc.
  • sunscreen cosmetics unsunscreen agents
  • body cosmetics such as makeup removers and body shampoos
  • hair cosmetics such as hair liquids, hair tonics, hair conditioners, shampoos, rinses, hair growth agents, etc.
  • ointments etc.
  • the method for producing the composition of the first invention is not particularly limited, and the composition can be produced by a conventional method.
  • the composition of the first invention is an oil-in-water emulsion cosmetic composition
  • the composition can be produced by a conventional method by mixing the above-mentioned essential components and components that are usually incorporated in cosmetics.
  • Oil-in-water emulsion cosmetic composition of the second invention (hereinafter also simply referred to as the "composition of the second invention") has the following properties:
  • the composition contains water, an oil, an anionic surfactant, a higher alcohol, and a polymer having a structure represented by the following formula (1):
  • R 1 , R 2 and R 3 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
  • A represents an alkylene group having 2 to 4 carbon atoms
  • m and n each independently represent an integer from 1.0 to 50.
  • the number average molecular weight of the polymer is 10,000 or less, and the IOB value of the polymer is 0.4 to 1.8. Composition. It is.
  • the second composition of the present invention maintains a fresh feeling during application, while being more quickly absorbed into the skin during application than conventional compositions, and also has improved smoothness after application.
  • the second polymer of the present invention having a specific structure is amphiphilic and tends to dissolve in an aqueous phase, but also has hydrophobic properties, so it is believed that the second composition of the present invention containing this polymer can promote compatibility between the emulsion particles formed by the anionic surfactant (e.g., N-acylmethyl taurine salt, etc.) and the skin when it comes into contact with lipophilic skin.
  • the anionic surfactant e.g., N-acylmethyl taurine salt, etc.
  • anionic surfactants e.g., N-acylmethyl taurine salt, etc.
  • composition of the second invention is an oil-in-water type
  • water (or the aqueous phase) is a continuous phase.
  • the water used in the composition of the second invention is not particularly limited, and may be, for example, the water used in cosmetics and quasi-drugs.
  • ion-exchanged water, distilled water, ultrapure water, and tap water can be used.
  • the water content is not particularly limited and may be, for example, 30% by mass or more, 40% by mass or more, 50% by mass or more, 60% by mass or more, 70% by mass or more, 80% by mass or more, or 90% by mass or more, or 90% by mass or less, 85% by mass or less, 80% by mass or less, 75% by mass or less, or 70% by mass or less, based on the entire composition.
  • composition of the second invention contains an oil.
  • the oil phase containing the oil is the dispersed phase.
  • liquid oils include avocado oil, camellia oil, turtle oil, macadamia nut oil, corn oil, mink oil, olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, linseed oil, safflower oil, cottonseed oil, perilla oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, Chinese tung oil, Japanese tung oil, jojoba oil, germ oil, triglycerin, and the like, but are not limited to these.
  • composition of the second invention contains an anionic surfactant.
  • the anionic surfactant contains stearoyl methyl taurine salts.
  • salts of these anionic surfactants include, but are not limited to, sodium salts, potassium salts, ammonium salts, and triethanolamine salts.
  • the content of the anionic surfactant is not particularly limited, and may be, for example, 0.01 mass% or more, 0.05 mass% or more, 0.1 mass% or more, or 0.2 mass% or more, and may be 10 mass% or less, 9.0 mass% or less, 8.0 mass% or less, 7.0 mass% or less, 6.0 mass% or less, 5.0 mass% or less, 4.0 mass% or less, 3.0 mass% or less, 2.0 mass% or less, 1.0 mass% or less, or 0.5 mass% or less, relative to the entire composition.
  • higher alcohols include, but are not limited to, cetyl alcohol, stearyl alcohol, and behenyl alcohol. These higher alcohols may be used alone or in combination of two or more.
  • thickening water-soluble polymers examples include cellulose-based polymers such as cellulose and cellulose powder, alginic acid-based polymers such as sodium alginate and propylene glycol alginate, vinyl-based polymers such as polyvinyl alcohol, polyvinyl methyl ether, polyvinylpyrrolidone, carboxyvinyl polymer, and alkyl-modified carboxyvinyl polymer, polyoxyethylene-based polymers, polyoxyethylene polyoxypropylene copolymer-based polymers, acrylic polymers such as sodium polyacrylate, polyethyl acrylate, and polyacrylamide, polyethyleneimine, cationic polymers, bentonite, magnesium aluminum silicate, laponite, hectorite, and inorganic water-soluble polymers such as silicic anhydride. These thickening water-soluble polymers may be used alone or in combination of two or more.
  • a polyhydric alcohol is an alcohol having two or more hydroxyl groups in the molecule.
  • the polyhydric alcohol is not particularly limited, and examples thereof include 1,2-propanediol, 1,3-propanediol, 1,2-butanediol, 1,3-butanediol, 1,4-butanediol, dipropylene glycol, glycerin, diglycerin, sorbitan, sorbitol, maltitol, erythritol, trehalose, glucose, and sucrose.
  • These polyhydric alcohols may be used alone or in combination of two or more.
  • composition of the second invention may contain any components that can be added to cosmetics, provided that the effects of the second invention are not impaired.
  • Such components include, but are not limited to, aqueous components such as lower alcohols, other moisturizers, water-soluble drugs (e.g., arbutin, ascorbic acid glucoside, tranexamic acid, 4-methoxysalicylate, etc.), oil-soluble drugs (e.g., oil-soluble vitamins, oil-soluble plant extracts, etc.), UV absorbers, chelating agents such as sodium edetate, pH adjusters such as citric acid/sodium citrate, preservatives such as parabens and phenoxyethanol, pigments, dyes, fragrances, and other surfactants (e.g., nonionic surfactants, cationic surfactants, amphoteric surfactants, etc.).
  • aqueous components such as lower alcohols, other moisturizers, water-soluble drugs (e.g., arbutin, ascorbic acid glu
  • the second composition of the present invention may be an oil-in-water emulsion cosmetic composition using ⁇ -gel due to its unique components.
  • the second composition of the present invention may be in the form of ⁇ -gel.
  • the ⁇ -gel emulsion is a laminated structure of a bilayer membrane formed by a surfactant and a higher alcohol in the presence of water.
  • DSC differential scanning calorimetry
  • Oil-in-water emulsion cosmetic composition comprises:
  • the composition comprises water, an oil, a nonionic surfactant, at least one of a higher alcohol and a thickener, and a polymer having a structure represented by the following formula (1):
  • R 1 , R 2 and R 3 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
  • A represents an alkylene group having 2 to 4 carbon atoms
  • m and n each independently represent an integer from 1.0 to 50.
  • the number average molecular weight of the polymer is 10,000 or less, and the IOB value of the polymer is 0.4 to 1.8. It is a composition.
  • Liquid oils include oils that are liquid at room temperature and are generally used in cosmetics and topical skin preparations.
  • Specific examples of liquid oils and fats include avocado oil, evening primrose oil, camellia oil, turtle oil, macadamia nut oil, sunflower oil, almond oil, corn oil, mink oil, olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, linseed oil, safflower oil, cottonseed oil, perilla oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, Chinese giri oil, Japanese tung oil, jojoba oil, and germ oil; cetyl octanoate, cetyl 2-ethylhexanoate, hexyldecyl dimethyloctanoate, ethyl laurate, hexyl laurate, isopropyl myristate, 2-hexy
  • the HLB (hydrophile-lipophile balance) value of the nonionic surfactant included in the third invention is preferably 8 or more and 19 or less.
  • the HLB value can be defined by the Griffin method.
  • a surfactant having an oxypropylene structure it can be defined by the Kawakami method.
  • Mono-branched fatty acid POE glycerin ester (also called “POE glyceryl mono-branched fatty acid ester”) is a branched fatty acid monoester of polyoxyethylene glyceryl ether to which an oxyethylene group has been added.
  • the branched fatty acid include saturated branched fatty acids having 16 to 24 carbon atoms, preferably 16 to 20 carbon atoms. The position of the branch is not particularly limited.
  • POE means a polyoxyethylene group, and the average number of moles added is 1 to 60, preferably 7 to 60.
  • one or more mono-branched fatty acid POE glycerin esters can be used.
  • Mono-branched fatty acid POE glycerin esters can be easily synthesized by known methods, but it is convenient to use commercially available nonionic surfactants, such as the EAMALEX GWIS-100 series from Nippon Emulsion Co., Ltd.
  • the mono-branched fatty acid POE glycerin ester is preferably hydrophilic, and particularly preferably has an HLB value of 8 or more.
  • the mono-branched fatty acid POE glycerin ester can be used in combination with a straight-chain fatty acid type nonionic surfactant such as monostearate POE glycerin ester.
  • the content of the nonionic surfactant is not particularly limited, and may be, for example, 0.5 mass% or more, 1.0 mass% or more, 1.1 mass% or more, 1.2 mass% or more, 1.3 mass% or more, or 1.4 mass% or more relative to the entire composition, and may be 10 mass% or less, 9.0 mass% or less, 8.0 mass% or less, 7.0 mass% or less, 6.0 mass% or less, 5.0 mass% or less, 4.0 mass% or less, 3.0 mass% or less, or 2.0 mass% or less.
  • the mass ratio of the nonionic surfactant to the higher alcohol may be set within a range in which the effect of the third invention is not impaired, and is not particularly limited.
  • the total parts by mass of the nonionic surfactant:total parts by mass of the higher alcohol may be 10:1 to 1:10, 5:1 to 1:5, or 5:1 to 2:1.
  • the composition of the third invention may contain a higher alcohol.
  • the higher alcohol is a general term for monohydric alcohols having 6 or more carbon atoms (C6).
  • the higher alcohol may be solid at room temperature (25°C).
  • the higher alcohol can stabilize the emulsion in the composition of the third invention and/or impart a rich feel to the composition of the third invention.
  • the higher alcohol can form an ⁇ -gel structure in the aqueous phase together with a nonionic surfactant.
  • the composition of the third invention can be given a wide range of sensations, from a refreshing sensation to a slightly rich sensation. Therefore, it is preferable that the composition of the third invention contains at least a higher alcohol in addition to the nonionic surfactant, thereby forming an ⁇ -gel.
  • higher alcohols include, but are not limited to, cetyl alcohol, stearyl alcohol, and behenyl alcohol.
  • batyl alcohol in order to form an ⁇ -gel.
  • the content is not particularly limited, and may be, for example, 0.05% by mass or more, 0.1% by mass or more, 0.2% by mass or more, or 0.3% by mass or more, and may be 5.0% by mass or less, 4.0% by mass or less, or 3.0% by mass or less, relative to the entire composition.
  • the composition of the third invention may contain a thickener.
  • the thickener can stabilize the emulsion in the composition of the third invention and/or can impart a feeling of viscosity to the composition of the third invention.
  • acrylic acid methacrylic acid copolymers examples include, but are not limited to, (dimethylacrylamide/sodium acryloyldimethyltaurine) crosspolymer, (hydroxyethyl acrylate/sodium acryloyldimethyltaurine) copolymer, (acrylates/alkyl acrylate (C10-30)) crosspolymer, etc.
  • carbomer also called “carboxyvinyl polymer”
  • carbomer is a water-soluble polymer that has an alkyl acid as the main chain in its structure and has a carboxyl group.
  • commercially available carbomers can be used.
  • composition of the third invention of the present invention can be produced by the following method, but the third invention of the present invention is not limited to this production method.
  • the oil is not particularly limited and may be, for example, at least one selected from hydrocarbon oils, silicone oils, polar oils, liquid oils, solid oils, etc.
  • the oil content is not particularly limited and may be, for example, 1.0 mass% or more, 5.0 mass% or more, 10 mass% or more, 15 mass% or more, 20 mass% or more, 25 mass% or more, or 30 mass% or more relative to the entire composition, and may be 50 mass% or less, 40 mass% or less, 30 mass% or less, 20 mass% or less, or 10 mass% or less.
  • the content of higher alcohol is not particularly limited, and may be, for example, 0.1 mass% or more, 0.5 mass% or more, 1.0 mass% or more, 1.5 mass% or more, or 2.0 mass% or more, and may be 10 mass% or less, 9.0 mass% or less, 8.0 mass% or less, 7.0 mass% or less, 6.0 mass% or less, 5.0 mass% or less, 4.0 mass% or less, 3.0 mass% or less, or 2.0 mass% or less, relative to the entire composition.
  • the composition of the fourth invention may further comprise a moisturizer.
  • the moisturizer is not particularly limited, and examples thereof include glycerin, butylene glycol, trimethylglycine, glucose, sorbitol, and maltitol.
  • composition of the fourth invention may further comprise a water-soluble polymer.
  • Some water-soluble polymers can also be used as thickeners.
  • lower alcohols include, but are not limited to, ethanol and isopropanol.
  • powder components include, but are not limited to, inorganic powders (e.g., talc, kaolin, bentonite, magnesium aluminosilicate, silicic anhydride, titanium oxide, zinc oxide, etc.); organic powders (e.g., cellulose powder, etc.); inorganic pigments (e.g., ferric oxide, yellow ferric oxide, black ferric oxide, etc.); and organic pigments (e.g., aluminum lake, etc.).
  • inorganic powders e.g., talc, kaolin, bentonite, magnesium aluminosilicate, silicic anhydride, titanium oxide, zinc oxide, etc.
  • organic powders e.g., cellulose powder, etc.
  • inorganic pigments e.g., ferric oxide, yellow ferric oxide, black ferric oxide, etc.
  • organic pigments e.g., aluminum lake, etc.
  • composition of the fifth invention can be an oil-in-water ⁇ -gel emulsion cosmetic composition.
  • composition of the fifth invention is an oil-in-water type, water (or the aqueous phase) is a continuous phase.
  • the water used in the composition of the fifth invention is not particularly limited, and may be, for example, the water used in cosmetics and quasi-drugs. For example, ion-exchanged water, distilled water, ultrapure water, and tap water can be used.
  • the water content is not particularly limited and may be, for example, 30% by mass or more, 40% by mass or more, 50% by mass or more, 60% by mass or more, 70% by mass or more, 80% by mass or more, or 90% by mass or more, and may be 95% by mass or less, 90% by mass or less, 85% by mass or less, 80% by mass or less, 75% by mass or less, or 70% by mass or less, based on the entire composition.
  • Solid oils include oils that are generally used in cosmetics and skin topicals and are solid at room temperature (25°C). Specific examples include solid oils such as cacao butter, coconut oil, horse tallow, hardened coconut oil, palm oil, beef tallow, mutton tallow, hardened beef tallow, palm kernel oil, lard, beef bone fat, Japan Rice Clover kernel oil, hardened fat, cow foot fat, Japan Rice Clover, and hardened castor oil; beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, Japanese laurel wax, whale wax, montan wax, rice bran wax, lanolin, kapok wax, lanolin acetate, sugarcane wax, lanolin fatty acid isopropyl, hexyl laurate, reduced lanolin, jojoba wax, hard lanolin, shellac wax, PO Examples of solid oils include waxes such as E lanolin alcohol ether, POE lanolin alcohol acetate, POE cholesterol ether, and PO
  • Liquid oils include oils that are liquid at room temperature and are generally used in cosmetics and topical skin preparations.
  • oils and fats include liquid oils such as avocado oil, evening primrose oil, camellia oil, turtle oil, macadamia nut oil, sunflower oil, almond oil, corn oil, mink oil, olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, linseed oil, safflower oil, cottonseed oil, perilla oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, Chinese giri oil, Japanese tung oil, jojoba oil, and germ oil; cetyl octanoate, cetyl 2-ethylhexanoate, hexyldecyl dimethyloctanoate, ethyl laurate, hexyl laurate, isopropyl myristate, 2-hexy
  • liquid oils examples include oils that can be used as ultraviolet absorbents, such as benzoic acid derivatives, salicylic acid derivatives, cinnamic acid derivatives, dibenzoylmethane derivatives, ⁇ , ⁇ -diphenylacrylate derivatives, benzophenone derivatives, benzylidene camphor derivatives, phenylbenzimidazole derivatives, triazine derivatives, phenylbenzotriazole derivatives, anthranil derivatives, imidazoline derivatives, benzalmalonate derivatives, and 4,4-diarylbutadiene derivatives, but are not limited to these.
  • oils can be blended alone or in combination of two or more types.
  • the oil content is not particularly limited, and may be, for example, 1.0 mass% or more, 5.0 mass% or more, 10 mass% or more, 15 mass% or more, 20 mass% or more, 25 mass% or more, or 30 mass% or more, and may be 50 mass% or less, 40 mass% or less, 30 mass% or less, 20 mass% or less, or 10 mass% or less, relative to the entire composition.
  • the nonionic surfactant is preferably one that can form an ⁇ -gel in the aqueous phase together with a higher alcohol or the like described below, and is not particularly limited, and may include, for example, mono-branched fatty acid POE (0-60) glycerin ester.
  • Mono-branched fatty acid POE (0-60) glycerin ester (also referred to as "POE (0-60) glyceryl mono-branched fatty acid ester”) is a branched fatty acid monoester of polyoxyethylene glyceryl ether having an average number of added moles of oxyethylene groups of 0 to 60, and examples of the branched fatty acid include saturated branched fatty acids having 16 to 24 carbon atoms, preferably 16 to 20 carbon atoms. The position of the branch is not particularly limited. POE means a polyoxyethylene group, and the average number of added moles is 0 to 60, preferably 5 to 60. In the composition of the present invention, one or more types of mono-branched fatty acid POE (0-60) glycerin ester can be used.
  • R is a residue obtained by removing an OH group from a saturated branched fatty acid having 16 to 24 carbon atoms, preferably 16 to 20 carbon atoms.
  • Mono-branched fatty acid POE (0-60) glycerin ester can be easily synthesized by known methods, but it is convenient to use a commercially available nonionic surfactant, such as the EAMALEX GWIS-100 series from Nippon Emulsion Co., Ltd.
  • the mono-branched fatty acid POE (0-60) glycerin ester is preferably hydrophilic, and particularly preferably has an HLB value of 6 or more.
  • a linear fatty acid type nonionic surfactant such as monostearate POE glycerin ester can be used in combination with the mono-branched fatty acid POE (0-60) glycerin ester.
  • the content of the nonionic surfactant is not particularly limited, and may be, for example, 0.5 mass% or more, 1.0 mass% or more, 1.2 mass% or more, 1.4 mass% or more, 1.6 mass% or more, 1.8 mass% or more, 2.0 mass% or more, 2.2 mass% or more, or 2.4 mass% or more, relative to the entire composition, and may be 10 mass% or less, 9.0 mass% or less, 8.0 mass% or less, 7.0 mass% or less, 6.0 mass% or less, 5.0 mass% or less, 4.0 mass% or less, or 3.0 mass% or less.
  • the composition of the fifth invention contains a higher alcohol.
  • Higher alcohol is a general term for monohydric alcohols having 6 or more carbon atoms.
  • the higher alcohol may be an alcohol that is solid at room temperature (25° C.).
  • the higher alcohol can stabilize the emulsion in the composition of the fifth invention and/or impart a rich flavor to the composition of the fifth invention.
  • the higher alcohol is preferably one that can form an ⁇ -gel structure together with the nonionic surfactant, and for example, a linear higher alcohol, a branched higher alcohol, or a mixture thereof may be used.
  • the higher alcohol preferably includes a linear higher alcohol having 16 or more carbon atoms.
  • the upper limit of the carbon number of the higher alcohol is not particularly limited, and may be, for example, 30 or less, 28 or less, or 24 or less.
  • the higher alcohol may be either saturated or unsaturated, but is preferably saturated.
  • higher alcohols include, but are not limited to, cetyl alcohol, stearyl alcohol, and behenyl alcohol.
  • batyl alcohol or the like in order to form an ⁇ -gel.
  • the content of higher alcohol is not particularly limited, and may be, for example, 0.05% by mass or more, 0.1% by mass or more, 0.2% by mass or more, 0.3% by mass or more, 0.4% by mass or more, or 0.5% by mass or more, relative to the entire composition, and may be 10% by mass or less, 9.0% by mass or less, 8.0% by mass or less, 7.0% by mass or less, 6.0% by mass or less, 5.0% by mass or less, 4.0% by mass or less, 3.0% by mass or less, 2.0% by mass or less, 1.0% by mass or less, or 0.5% by mass or less.
  • the composition of the fifth invention contains a fatty acid and/or a salt thereof.
  • the fatty acid and/or a salt thereof can be incorporated into the ⁇ -gel structure formed in the aqueous phase by the above-mentioned nonionic surfactant and higher alcohol.
  • the fatty acid and/or a salt thereof can form an ⁇ -gel structure together with the nonionic surfactant and higher alcohol.
  • the fatty acid used in the composition of the fifth invention is preferably one that can form an ⁇ -gel structure, and is preferably, for example, a higher fatty acid having 12 or more, 14 or more, or 16 or more carbon atoms.
  • the upper limit of the carbon number of the fatty acid used in the composition of the fifth invention is not particularly limited, and may be, for example, 24 or less, or 22 or less.
  • these higher fatty acids may be saturated or unsaturated.
  • fatty acids used in the composition of the fifth invention include, but are not limited to, isostearic acid, behenic acid, lauric acid, myristic acid, palmitic acid, stearic acid, and oleic acid.
  • the fatty acid salt may be at least one selected from the group consisting of, for example, sodium isostearate, sodium behenate, sodium laurate, sodium myristate, sodium palmitate, sodium stearate, sodium oleate, potassium isostearate, potassium behenate, potassium laurate, potassium myristate, potassium palmitate, potassium stearate, potassium oleate, monoethanolamine laurate, monoethanolamine myristate, monoethanolamine palmitate, and monoethanolamine stearate, but is not limited thereto.
  • the fatty acid salt may be produced by adding a fatty acid that is the basis of the fatty acid portion of the fatty acid salt and a neutralizing agent (alkaline agent) separately and allowing them to coexist in the system, and then saponifying the fatty acid with the alkaline agent.
  • alkaline agents include, but are not limited to, potassium hydroxide, sodium hydroxide, triethanolamine, diethanolamine, basic amino acids, borax, ammonia, taurine salts, and n-methyl taurine salts.
  • the amount of fatty acid added is not particularly limited, and may be, for example, 0.1 mass% or more, 0.2 mass% or more, 0.3 mass% or more, 0.4 mass% or more, 0.5 mass% or more, 0.6 mass% or more, 0.7 mass% or more, 0.8 mass% or more, 0.9 mass% or more, or 1.0 mass% or more, relative to the entire composition, and may be 5.0 mass% or less, 4.0 mass% or less, or 3.0 mass% or less.
  • the amount of the alkali agent added is not particularly limited, and may be appropriately adjusted according to the amount of fatty acid added.
  • the ratio of the oil content to the total content of the nonionic surfactant content, the higher alcohol content, and the fatty acid and/or its salt content may be set within a range in which the effect of the fifth invention is not impaired, and is not particularly limited.
  • the total parts by mass of the nonionic surfactant content, the higher alcohol content, and the fatty acid and/or its salt content per 100 parts by mass of oil may be 5.0 parts by mass or more, 10 parts by mass or more, 20 parts by mass or more, 30 parts by mass or more, or 35 parts by mass or more.
  • the content of the polymer of the fifth invention is not particularly limited, and may be, for example, 0.01% by mass or more, 0.02% by mass or more, 0.03% by mass or more, 0.04% by mass or more, 0.05% by mass or more, 0.06% by mass or more, 0.07% by mass or more, 0.08% by mass or more, 0.09% by mass or more, 0.1% by mass or more, 0.2% by mass or more, 0.3% by mass or more, 0.4% by mass or more, 0.5% by mass or more, 0.6% by mass or more, or It may be 0.7% by mass or more, 0.8% by mass or more, 0.9% by mass or more, 1.0% by mass or more, 2.0% by mass or more, 3.0% by mass or more, 4.0% by mass or more, or 5.0% by mass or more, and may be 15% by mass or less, 10% by mass or less, 9.0% by mass or less, 8.0% by mass or less, 7.0% by mass or less, 6.0% by mass or less, 5.0% by mass or less,
  • the content of the polymer of the fifth invention may be, for example, 1.0 part by mass or more, 5.0 parts by mass or more, 10 parts by mass or more, 20 parts by mass or more, 30 parts by mass or more, 40 parts by mass or more, 50 parts by mass or more, 100 parts by mass or more, 200 parts by mass or more, 300 parts by mass or more, or 500 parts by mass or more, and may be 5000 parts by mass or less, 3500 parts by mass or less, 1000 parts by mass or less, 800 parts by mass or less, 500 parts by mass or less, 200 parts by mass or less, or 100 parts by mass or less, relative to 100 parts by mass of the fatty acid and/or its salt.
  • a moisturizer when included, its content is not particularly limited, and may be, for example, 0.5% by mass or more, 1.0% by mass or more, 2.0% by mass or more, 3.0% by mass or more, 4.0% by mass or more, 5.0% by mass or more, 6.0% by mass or more, 7.0% by mass or more, 8.0% by mass or more, 9.0% by mass or more, or 10% by mass or more, and may be 40% by mass or less, 30% by mass or less, 20% by mass or less, 15% by mass or less, 12% by mass or less, or 10% by mass or less, relative to the entire composition.
  • water-soluble polymers include, but are not limited to, plant-based polymers (e.g., carrageenan, pectin, corn starch, etc.); microbial-based polymers (e.g., xanthan gum, pullulan, sodium hyaluronate, etc.); cellulose-based polymers (methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, carboxymethylcellulose, sodium carboxymethylcellulose, etc.); alginic acid-based polymers (e.g., sodium alginate, etc.); vinyl-based polymers (e.g., polyvinyl alcohol, polyvinylpyrrolidone, carboxyvinyl polymer, etc.); acrylic acid-based polymers (e.g., sodium polyacrylate, polyethyl acrylate, polyacrylamide, (dimethylacrylamide/Na acryloyldimethyltaurate) crosspolymer, etc.).
  • plant-based polymers e.g.
  • Water-soluble active ingredients include, but are not limited to, metal ion salts of alkoxysalicylic acid (e.g., potassium 4-methoxysalicylate, etc.), tranexamic acid salts, L-ascorbate salts, magnesium ascorbyl phosphate, dipotassium glycyrrhizinate, and ionic B vitamins such as vitamin B1 and vitamin B12.
  • metal ion salts of alkoxysalicylic acid e.g., potassium 4-methoxysalicylate, etc.
  • tranexamic acid salts e.g., L-ascorbate salts
  • magnesium ascorbyl phosphate e.g., dipotassium glycyrrhizinate
  • ionic B vitamins such as vitamin B1 and vitamin B12.
  • composition of the fifth invention may contain other optional additive components that are usually used in skin external preparations such as cosmetics and medicines, such as surfactants other than the above-mentioned nonionic surfactants, chelating agents, lower alcohols, pH adjusters, antioxidants, powder components, fragrances, etc., as necessary, within the scope of not impairing the purpose and effects of the fifth invention, but are not limited to these examples.
  • optional additive components that are usually used in skin external preparations such as cosmetics and medicines, such as surfactants other than the above-mentioned nonionic surfactants, chelating agents, lower alcohols, pH adjusters, antioxidants, powder components, fragrances, etc., as necessary, within the scope of not impairing the purpose and effects of the fifth invention, but are not limited to these examples.
  • chelating agents include, but are not limited to, sodium edetate and sodium metaphosphate.
  • lower alcohols include, but are not limited to, ethanol and isopropanol.
  • Oil-in-water emulsion cosmetic composition of the sixth invention (hereinafter also simply referred to as the "composition of the sixth invention") comprises:
  • the composition comprises a sucrose fatty acid ester, a polymer having a structure represented by the following formula (1), an oil, and water,
  • R 1 , R 2 and R 3 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
  • A represents an alkylene group having 2 to 4 carbon atoms
  • m and n each independently represent an integer from 1.0 to 50.
  • the number average molecular weight of the polymer is 10,000 or less;
  • the IOB value of the polymer is 0.4 to 1.8, and the oil content is 60% by mass or more. It is a composition.
  • the sixth composition of the present invention has an improved phase inversion sensation compared to conventional oil-in-water emulsion cosmetic compositions that have a relatively high oil phase content.
  • the sixth composition of the present invention contains a sucrose fatty acid ester.
  • the sixth composition of the present invention may contain one type of sucrose fatty acid ester alone, or may contain two or more types.
  • the sucrose fatty acid ester can emulsify oil, and is considered to be able to maintain emulsion stability even when the oil content is high (e.g., 60% by mass or more).
  • the ratio of the content of the sucrose fatty acid ester to the content of the sixth polymer of the present invention is not particularly limited, and may be, for example, 1:1 to 5:1, 2:1 to 5:1, or even 2:1 to 4.5:1.
  • these oils can be blended either alone or in combination of two or more types.
  • composition of the sixth invention may further comprise a polyhydric alcohol.
  • anionic surfactants include, but are not limited to, alkyl glycol acetates such as lauryl glycol acetate, POE alkyl sulfonates such as POE sulfosuccinate, POE alkyl ether sulfates such as POE lauryl ether sulfate, alkyl taurine salts such as cocoyl methyl taurine salt, N-acyl glutamates such as sodium N-lauroyl-L-glutamate, N-acyl glycine salts such as sodium N-coconut oil fatty acid acyl glycine, and fatty acid salts such as sodium laurate.
  • alkyl glycol acetates such as lauryl glycol acetate
  • POE alkyl sulfonates such as POE sulfosuccinate
  • POE alkyl ether sulfates such as POE lauryl ether sulfate
  • alkyl taurine salts such as coco
  • composition of the sixth invention may further comprise a thickener.
  • composition of the sixth invention may contain any components that can be added to ordinary cosmetics, skin cleansers, etc., within the scope of not impairing the effects of the sixth invention.
  • Such components include, but are not limited to, buffers (e.g., citric acid, sodium citrate, etc.), chelating agents (e.g., EDTA, etc.), colorants, fragrances, etc.
  • the method for producing the composition of the sixth invention is not particularly limited, and may be a known method for producing an oil-in-water emulsion cosmetic composition.
  • the composition of the sixth invention can be produced by mixing a sucrose fatty acid ester with an oil phase containing an oil, adding the mixture to an aqueous phase containing water, and emulsifying the mixture.
  • the polymer of the sixth invention may be added after emulsification.
  • the emulsification can also be carried out by applying mechanical force using a homomixer, a high-pressure homogenizer, or the like, and can also be heated as necessary.
  • the composition of the sixth invention can be suitably used, for example, as a skin cleansing cosmetic, a massage cosmetic, etc.
  • the skin cleansing cosmetic may be a normal cleanser (for example, a face wash, a body soap, etc.) or a makeup remover, but from the viewpoint of being more likely to feel a phase change, a makeup remover is preferable.
  • the composition of the sixth invention may be any of a wipe-off type, a rinse-off type, and a leave-on type.
  • Oil-in-water emulsion cosmetic composition according to the seventh aspect of the present invention (hereinafter, also simply referred to as the "composition according to the seventh aspect of the present invention") comprises:
  • the present invention relates to a solid oil particle including a solid oil component and a liquid oil component, a polymer having a structure represented by the following formula (1), and water,
  • R 1 , R 2 and R 3 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
  • A represents an alkylene group having 2 to 4 carbon atoms
  • m and n each independently represent an integer from 1.0 to 50.
  • the number average molecular weight of the polymer is 10,000 or less, and the IOB value of the polymer is 0.4 to 1.8. It is a composition.
  • the seventh polymer of the present invention which has a specific structure, is amphiphilic and tends to dissolve in an aqueous phase, but also has hydrophobic properties, which is believed to improve the feel during application, such as the spreadability and smoothness, of a cosmetic composition in which large solid oily particles are dispersed.
  • the solid oil particles contained in the composition of the seventh invention include a solid oil and a liquid oil.
  • the oil particles may be called an "internal phase", an “oil phase”, or a “dispersed phase” in the composition of the seventh invention.
  • solid oil particles refers to oil particles in which an outer layer (also called “shell layer”) formed of a portion of solid oil encapsulates an inner layer (also called “core layer”) mainly composed of liquid oil, and may also be called “capsule-shaped oil particles.”
  • solid oil refers to oil that is solid or semi-solid at room temperature (25°C)
  • liquid oil refers to oil that is liquid at room temperature (25°C).
  • the average particle size of the solid oily particles is not particularly limited, but from the viewpoint of more significantly exerting the effect of the seventh invention, it may be, for example, 50 ⁇ m or more, 80 ⁇ m or more, or 100 ⁇ m or more, and may be 10 mm or less, 5 mm or less, 1000 ⁇ m or less, or 500 ⁇ m or less.
  • the average particle size of the solid oily particles can be calculated, for example, by measuring the equivalent sphere diameter of 100 particles using an optical microscope and averaging the results.
  • These solid oils may be used alone or in combination of two or more.
  • solid oils with a melting point of 50°C or higher are preferred, and solid oils with a melting point of 65°C or higher are more preferred. Furthermore, from the viewpoint of improving particle formability and dispersibility, solid oils with a melting point of less than 85°C are preferred.
  • preferred solid oils include hydrogenated jojoba oil (melting point: 68°C), glyceryl behenate eicosandioate (melting point: 66°C), higher alcohols having 16 or more carbon atoms, preferably 18 or more carbon atoms, such as stearyl alcohol (melting point: 52-62°C) and behenyl alcohol (melting point: 68°C), microcrystalline wax (melting point: 80°C), ceresin (melting point: 68-75°C), polyethylene wax (melting point: 80°C), batyl alcohol (melting point: 70°C), carnauba wax (melting point: 83°C), candelilla wax (melting point: 71°C), hydrogenated castor oil (melting point: 84°C), stearic acid (melting point: 58-63°C), behenic acid (melting point: 69-80°C), and 12-hydroxystearic acid (melting point: 70°C), but are not
  • the solid oil content is not particularly limited and may be, for example, 0.1 mass% or more, 0.5 mass% or more, or 1.0 mass% or more, and may be 10 mass% or less, 9.0 mass% or less, 8.0 mass% or less, 7.0 mass% or less, 6.0 mass% or less, 5.0 mass% or less, 4.0 mass% or less, 3.0 mass% or less, 2.0 mass% or less, or 1.0 mass% or less.
  • the proportion of the solid oil in the total oil may be, for example, 5.0 mass% or more, 6.0 mass% or more, 7.0 mass% or more, 8.0 mass% or more, 9.0 mass% or more, or 10 mass% or more, and may be 50 mass% or less, 40 mass% or less, 30 mass% or less, or 20 mass% or less.
  • liquid oil component in the seventh invention examples include, but are not limited to, the following:
  • Fats and oils such as linseed oil, camellia oil, macadamia nut oil, corn oil, olive oil, avocado oil, camellia oil, castor oil, safflower oil, apricot kernel oil, cinnamon oil, jojoba oil, grape oil, almond oil, rapeseed oil, sesame oil, sunflower oil, wheat germ oil, rice germ oil, rice bran oil, cottonseed oil, soybean oil, peanut oil, tea seed oil, evening primrose oil, triglycerin, glycerin trioctanoate, glycerin triisopalmitate, coconut oil, palm oil, palm kernel oil, etc.
  • Octanoic acid esters such as cetyl octanoate, tri-2-ethylhexaenoic acid glycerin, isooctanoic acid esters such as pentaerythrityl tetraethylhexanoate, lauric acid esters such as hexyl laurate, myristate acid esters such as isopropyl myristate and octyldodecyl myristate, palmitic acid esters such as octyl palmitate, stearic acid esters such as isocetyl stearate, isostearic acid esters such as isopropyl isostearate, isopalmitic acid esters such as octyl isopalmitate, oleic acid esters such as isodecyl oleate, adipic acid diesters such as diisopropyl adipate, sebacate diesters such
  • Hydrocarbon oils such as liquid paraffin, hydrogenated polydecene, ozokerite, squalane, squalene, pristane, paraffin, isoparaffin, and petrolatum.
  • Silicone oils including chain silicones such as dimethylpolysiloxane (dimethicone), methylphenylpolysiloxane (phenylmethicone), and methylhydrogenpolysiloxane, cyclic silicones such as decamethylcyclopentasiloxane and dodecamethylcyclohexasiloxane, and modified silicones such as amino-modified silicone oil, polyether-modified silicone oil, carboxy-modified silicone oil, alkyl-modified silicone oil, ammonium salt-modified silicone oil, and fluorine-modified silicone oil.
  • chain silicones such as dimethylpolysiloxane (dimethicone), methylphenylpolysiloxane (phenylmethicone), and methylhydrogenpolysiloxane
  • cyclic silicones such as decamethylcyclopentasiloxane and dodecamethylcyclohexasiloxane
  • modified silicones such as amino-mod
  • liquid oils may be used alone or in combination of two or more.
  • the liquid oil content is not particularly limited and may be, for example, 0.1 mass% or more, 0.5 mass% or more, 1.0 mass% or more, 2.0 mass% or more, 3.0 mass% or more, 4.0 mass% or more, or 5.0 mass% or more, and may be 30 mass% or less, 20 mass% or less, 10 mass% or less, 9.0 mass% or less, 8.0 mass% or less, 7.0 mass% or less, 6.0 mass% or less, or 5.0 mass% or less.
  • the solid oily particles may further contain other components as desired.
  • the solid oily particles may further contain powder.Note that, when the solid oily particles further contain powder, the powder may be present in the inner layer of the solid oily particles together with the liquid oil.
  • inorganic powders such as talc, mica, kaolin, mica, sericite, white mica, gold mica, synthetic mica, red mica, black mica, lithia mica, vermiculite, magnesium carbonate, calcium carbonate, aluminum silicate, barium silicate, calcium silicate, magnesium silicate, strontium silicate, tungstate metal salts, magnesium, spherical silica, zeolite, barium sulfate, calcined calcium sulfate (calcined gypsum), calcium phosphate, fluorapatite, hydroxyapatite, ceramic powder, metal soap (zinc myristate, calcium palmitate, aluminum stearate, etc.), boron nitride, etc.; polyamide spherical resin powder (nylon spherical powder), spherical polyethylene, crosslinked poly(methyl meth)acryl
  • the content of the powder component is not particularly limited, and may be, for example, 0.1 parts by mass to 30 parts by mass or 0.3 parts by mass to 10 parts by mass per 100 parts by mass of the total of the solid oil and liquid oil components described above.
  • composition of the seventh invention contains the polymer of the seventh invention.
  • the polymer of the seventh invention is similar to the above-mentioned "polymer of the first invention," so a detailed description thereof will be omitted here.
  • the amount of the sixth polymer of the present invention may be, for example, 10 parts by mass or more, 50 parts by mass or more, or 100 parts by mass or more, and may be 1,000 parts by mass or less, 500 parts by mass or less, or 100 parts by mass or less, relative to 100 parts by mass of the above-mentioned solid oil.
  • the amount of the polymer of the sixth invention may be, for example, 10 parts by mass or more, 20 parts by mass or more, 50 parts by mass or more, or 100 parts by mass or more relative to 100 parts by mass of the above-mentioned liquid oil, and may be 1,000 parts by mass or less, 500 parts by mass or less, or 100 parts by mass or less.
  • the composition of the seventh invention comprises water.
  • the aqueous phase comprising water constitutes the continuous phase (or "external phase").
  • the water content is not particularly limited and can be adjusted appropriately depending on, for example, the content of components other than water. More specifically, the water content may be, for example, 50% by mass or more, 55% by mass or more, 60% by mass or more, or 65% by mass or more relative to the entire composition, and may be 99% by mass or less, 95% by mass or less, 90% by mass or less, 85% by mass or less, 80% by mass or less, 75% by mass or less, or 70% by mass or less.
  • the composition of the seventh invention may further comprise a thickening water-soluble polymer.
  • a thickening water-soluble polymer By including a thickening water-soluble polymer, the viscosity of the composition can be increased, and the stability of the dispersion can be further improved.
  • some of the thickening water-soluble polymers can be a moisturizing agent having a moisturizing effect.
  • some of the thickening water-soluble polymers can have surface activity, and furthermore, some of the thickening water-soluble polymers can be useful for forming the solid oil particles according to the seventh invention, and in some cases, can form the outer layer of the solid oil particles together with solid oil.
  • alkyl-modified carboxyvinyl polymers are particularly suitable because they have the effect of suppressing the aggregation and coalescence of oily particles based on their surface activity.
  • these alkyl-modified carboxyvinyl polymers can also be useful in the formation of solid oily particles according to the seventh aspect of the present invention, and in some cases can form the outer layer of solid oily particles together with solid oil.
  • a thickening water-soluble polymer when a thickening water-soluble polymer is contained, its content is not particularly limited, and may be, for example, 0.001 mass% or more, 0.005 mass% or more, 0.01 mass% or more, 0.05 mass% or more, 0.1 mass% or more, or 0.2 mass% or more, and may be 3.0 mass% or less, 2.0 mass% or less, 1.0 mass% or less, 0.5 mass% or less, or 0.3 mass% or less, relative to the entire composition.
  • the oil-soluble thickener that can be blended in the seventh aspect of the present invention is not particularly limited, but examples include dextrin fatty acid esters, metal soaps, lipophilic bentonite, amino acid derivatives, sucrose fatty acid esters, and benzylidene derivatives of sorbitol.
  • an oil-soluble thickener when included, its content is not particularly limited and may be, for example, 0.001 to 5.0% by mass, or 0.01 to 2.0% by mass, based on the total composition.
  • composition of the seventh invention may further comprise a polyhydric alcohol.
  • Some polyhydric alcohols can also act as moisturizers having a moisturizing effect.
  • a polyhydric alcohol is an alcohol having two or more hydroxyl groups in the molecule.
  • the polyhydric alcohol is not particularly limited, and examples thereof include 1,2-propanediol, 1,3-propanediol, 1,2-butanediol, 1,3-butanediol, 1,4-butanediol, dipropylene glycol, glycerin, diglycerin, sorbitan, sorbitol, maltitol, erythritol, trehalose, glucose, and sucrose.
  • These polyhydric alcohols may be used alone or in combination of two or more.
  • the seventh composition of the present invention when a polyhydric alcohol is contained, its content is not particularly limited, and may be, for example, 0.5% by mass or more, 1.0% by mass or more, 5.0% by mass or more, 10% by mass or more, 15% by mass or more, or 20% by mass or more, and may be 30% by mass or less, or 25% by mass or less, based on the entire composition.
  • composition of the seventh invention may contain any components that can be added to cosmetics, provided that the effects of the seventh invention are not impaired.
  • Such components include, but are not limited to, aqueous components such as lower alcohols, neutralizing agents such as potassium hydroxide, other moisturizing agents, water-soluble drugs (e.g., arbutin, ascorbic acid glucoside, tranexamic acid, 4-methoxysalicylate, etc.), oil-soluble drugs (e.g., oil-soluble vitamins, oil-soluble plant extracts, etc.), UV absorbers, chelating agents such as sodium edetate, pH adjusters such as citric acid/sodium citrate, preservatives such as parabens and phenoxyethanol, pigments, dyes, fragrances, surfactants, etc.
  • aqueous components such as lower alcohols, neutralizing agents such as potassium hydroxide, other moisturizing agents, water-soluble drugs (e.g., arbutin, ascorbic acid glucoside, tranexamic
  • the composition of the seventh invention can be prepared, for example, according to the method described in Patent Document 8. Specifically, the aqueous phase components are mixed and heated to a temperature equal to or higher than the melting point of the solid oil to be blended, and the oil phase components (solid oil and liquid oil) heated and mixed at the same temperature are added to the aqueous phase components under stirring. The composition can then be prepared by cooling with stirring. The polymer of the seventh invention can be added after cooling. The stirring can be performed using a propeller or paddle mixer rotating at 10 to 1500 rpm, preferably about 20 to 300 rpm.
  • solubility in olive oil The solubility of the obtained polymer 1 in olive oil was determined as follows. That is, polymer 1 was mixed with olive oil so that the concentration was 1.0 wt%, and the appearance was confirmed. If it was uniform, it was marked as "Good”. In this case, the solubility of polymer 1 in olive oil was 1.0 mass%.
  • reaction composition was taken out of the autoclave, neutralized with hydrochloric acid to a pH of 6 to 7, and treated at a reduced pressure of ⁇ 0.095 MPa (50 mmHg) and 100° C. for 1 hour to remove the contained moisture. Further, filtration was performed to remove the salt generated after the treatment, and 1820 g of polymer 2 was obtained. A sample was taken before the reaction with methyl chloride and purified, and the hydroxyl value was found to be 125, indicating that the ratio of methyl groups to hydrogen atoms ( CH3 /H) in R2 and R3 was 0.57. In other words, the hydroxyl group blocking rate of polymer 2 was 57%.
  • composition was applied to the skin by a panel of 10 experts and evaluated for its effect as follows. The number of panelists who answered that the composition "spreads easily on the skin” was determined as follows: “A”: More than 8 out of 10 people feel it; “B”: 5 to 7 out of 10 people feel it; “C”: 3 to 4 out of 10 people feel it; “D”: Fewer than 2 in 10 people feel this.
  • Comparative Examples 4-1 to 4-6 Based on the formulations shown in Table 4-3 below, compositions of Comparative Examples 4-1 to 4-6 were prepared, and their usability was evaluated in the same manner as described above. The results are shown in Table 4-3.
  • Tables 5-2 to 5-4 represent the amounts used, and the units are mass %. Details of "other ingredients" in Tables 5-2 and 5-3 are shown in Table 5-4.
  • composition was applied to the skin by a panel of 10 experts and evaluated for its effect as follows. The number of panelists who answered that the composition "spreads easily on the skin” was determined as follows: “A”: More than 8 out of 10 people feel it; “B”: 5 to 7 out of 10 people feel it; “C”: 3 to 4 out of 10 people feel it; “D”: Fewer than 2 in 10 people feel this.
  • compositions were applied to the skin by a panel of 10 experts and evaluated for its effect as follows.
  • the number of panelists who answered that the composition "feel[ed] fresh on the skin” was classified as follows: “A”: More than 8 out of 10 people feel it; “B”: 5 to 7 out of 10 people feel it; “C”: 3 to 4 out of 10 people feel it; “D”: Fewer than 2 in 10 people feel this.
  • compositions of Examples 5-1 to 5-12 have improved spreadability during application and improved freshness during application compared to conventional compositions.
  • Examples 6-1 to 6-6 and Comparative Example 6-1 Cream-type skin cleansing cosmetic compositions were prepared using the formulations shown in Table 6-2 below. Unless otherwise specified, the values in Table 6-2 represent blend amounts, and the units are mass %.
  • Synthesis Examples 1 and 2 The following Synthesis Examples 1 and 2 were synthesized in the same manner as in “Synthesis Examples 1 and 2" in the experimental section of the above-mentioned "First Invention". Various physical property values of the obtained Polymer 1 and Polymer 2 were as shown in the above-mentioned Table 1 and Table 1-2.
  • Example 7-1 Example 7-2, and Comparative Example 7-1 Oil-in-water emulsion cosmetic compositions were prepared using the formulations shown in Table 7-2 below. Unless otherwise specified, the values in Table 7-2 represent blend amounts, and the units are % by mass.
  • composition was evaluated by a panel of seven experts for usability when applied to the skin, as follows, and classified as follows with respect to "spreadability and smoothness during application”: "A”: Six or more panelists rated the coating as having good spreadability and smoothness during application; “B”: 3 to 5 panelists rated the coating as having good spreadability and smoothness during application; “C”: Two or less panelists rated the coating as having good spreadability and smoothness during application.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Emergency Medicine (AREA)
  • Dermatology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Cosmetics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

L'invention fournit une nouvelle composition de produit cosmétique dont la vitesse de compatibilité avec la peau lors de son application est améliorée.　Plus précisément, l'invention concerne une composition de produit cosmétique qui contient un polymère hydrosoluble à base d'acide acrylique, un polymère présentant une structure représentée par la formule (1), et une eau. Dans la formule (1), Ｒ１, Ｒ２ et Ｒ３ représentent chacun indépendamment un atome d'hydrogène ou un groupe alkyle de 1 à 4 atomes de carbone, A représente un groupe alkylène de 2 à 4 atomes de carbone, et m et n représentent chacun indépendamment １,０ à ５０. La masse moléculaire moyenne en nombre du polymère est inférieure ou égale à １００００, et sa valeur IOB (valeur d'équilibre inorganique/organique) est comprise entre ０,４ et １,８.
PCT/JP2023/043984 2022-12-28 2023-12-08 Composition de produit cosmétique Ceased WO2024142846A1 (fr)

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JP2022-212232 2022-12-28
JP2022-212687 2022-12-28
JP2022212699A JP2024095421A (ja) 2022-12-28 2022-12-28 水中油型乳化化粧料組成物
JP2022212232A JP2024095155A (ja) 2022-12-28 2022-12-28 水中油型乳化化粧料組成物
JP2022-212274 2022-12-28
JP2022212644A JP2024095380A (ja) 2022-12-28 2022-12-28 水中油型乳化化粧料組成物
JP2022212687A JP2024095414A (ja) 2022-12-28 2022-12-28 水中油型乳化化粧料組成物
JP2022212601A JP2024095364A (ja) 2022-12-28 2022-12-28 化粧料組成物
JP2022-212316 2022-12-28
JP2022-212699 2022-12-28
JP2022-212601 2022-12-28
JP2022212316A JP2024095206A (ja) 2022-12-28 2022-12-28 水中油型乳化化粧料組成物
JP2022212274A JP2024095176A (ja) 2022-12-28 2022-12-28 水中油型乳化化粧料組成物
JP2022-212644 2022-12-28

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591403A (ja) * 1982-04-13 1984-01-06 Pola Chem Ind Inc ポリグリセロール化合物およびそれを配合した化粧料
JP2002533495A (ja) * 1998-12-22 2002-10-08 バイエル アクチェンゲゼルシャフト グリシドールに基づく高分岐ポリオールの製造方法
JP2017088517A (ja) * 2015-11-05 2017-05-25 株式会社ダイセル ポリグリセリン誘導体、及びこれを含有する皮膚外用剤

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591403A (ja) * 1982-04-13 1984-01-06 Pola Chem Ind Inc ポリグリセロール化合物およびそれを配合した化粧料
JP2002533495A (ja) * 1998-12-22 2002-10-08 バイエル アクチェンゲゼルシャフト グリシドールに基づく高分岐ポリオールの製造方法
JP2017088517A (ja) * 2015-11-05 2017-05-25 株式会社ダイセル ポリグリセリン誘導体、及びこれを含有する皮膚外用剤

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HALACHEVA S., RANGELOV S., TSVESTANOV C.: "Poly(glycidol)-based analogues to pluronic block copolymers. Synthesis and aqueous solution properties", MACROMOLECULES, AMERICAN CHEMICAL SOCIETY, US, vol. 39, 3 October 2006 (2006-10-03), US , pages 6845 - 6852, XP002549306, ISSN: 0024-9297, DOI: 10.1021/ma061040b *
SUNDER ALEXANDER, M]LHAUPT R, FREY H: "Hyperbranched polyther-polyols based on polyglycerol: polarity desigh by block copolymerization with propylene oxide", MACROMOLECULES, AMERICAN CHEMICAL SOCIETY, US, vol. 33, no. 2, 1 January 2000 (2000-01-01), US , pages 309 - 314, XP002966521, ISSN: 0024-9297, DOI: 10.1021/ma991191x *

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