WO2023042687A1 - 水中油型洗浄料組成物 - Google Patents
水中油型洗浄料組成物 Download PDFInfo
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- WO2023042687A1 WO2023042687A1 PCT/JP2022/033118 JP2022033118W WO2023042687A1 WO 2023042687 A1 WO2023042687 A1 WO 2023042687A1 JP 2022033118 W JP2022033118 W JP 2022033118W WO 2023042687 A1 WO2023042687 A1 WO 2023042687A1
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- 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
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- 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
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- 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
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- 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
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- 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
- A61Q1/14—Preparations for removing make-up
-
- 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
Definitions
- the present disclosure relates to an oil-in-water detergent composition.
- lamellar gel containing lamellar gel ( ⁇ -gel) formed by higher fatty alcohol or higher fatty acid and hydrophilic surfactant is used for the purpose of maintaining emulsification stability of topical skin preparations such as cosmetics, quasi-drugs, and pharmaceuticals.
- Skin topical preparations have been used (see, for example, Patent Document 1 and Non-Patent Document 1).
- Patent Document 1 discloses (A) 1 or 2 or more higher aliphatic alcohols having 16 or more carbon atoms and/or 25 to 50% by mass of higher fatty acids, and (B) polyoxyethylene represented by a specific formula 40 to 70% by mass of a sterol ether and (C) 5 to 20% by mass of a polyoxyethylene dialkyl ester and/or ether represented by a specific formula, for forming an ⁇ -gel formed by adding water A composition is disclosed.
- Non-Patent Document 2 indicates that a low-viscosity, low-molecular-weight oil is suitable for the oil used in cleansing oil.
- Non-Patent Document 2 low-viscosity, low-molecular-weight oily components are suitable for cleansing agents for cleansing makeup cosmetics.
- low-molecular-weight oily components easily dissolve surfactants. Therefore, in an oil-in-water cleanser, when a low-molecular-weight oily component is emulsified, there is a problem of stability in that the emulsified particles coalesce over time.
- a lamellar gel-containing composition using a lamellar gel ( ⁇ -gel) formed from a higher fatty alcohol or higher fatty acid and a hydrophilic surfactant as described in Patent Document 1 is proposed.
- a lamellar gel described in Patent Document 1 when the lamellar gel described in Patent Document 1 is applied to the skin, it gives a slippery feeling during application, and the user cannot obtain a refreshing feeling.
- such a lamellar gel-containing composition has a problem that higher alcohols and higher fatty acids tend to precipitate as crystals over time (see, for example, Non-Patent Document 1).
- an oil-in-water detergent composition that can stably emulsify a low-molecular-weight oily component, has high stability, and has a good feeling of use.
- an oil-in-water detergent composition comprising a lamellar gel phase, 3% to 80% by mass of an oil phase, and an aqueous phase.
- the lamellar gel phase contains a first nonionic surfactant represented by the formula shown in Chemical Formula 1 below and a second nonionic surfactant with an HLB of 7 to 15.
- R 1 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- R 2 is an alkylene group having 2 to 4 carbon atoms.
- R 3 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- k represents an integer of 4 to 15;
- the oil-in-water detergent composition of the present disclosure can stably emulsify even low-molecular-weight oily components. As a result, the oil-in-water detergent composition of the present disclosure has high detergency.
- the oil-in-water detergent composition of the present disclosure suppresses crystallization of the ingredients and has high stability over time.
- the user can obtain a good feeling after use.
- a small-angle and wide-angle X-ray scattering chart and a differential calorimetry chart in Test Example 1 A small-angle and wide-angle X-ray scattering chart and a differential calorimetry chart in Test Example 2.
- FIG. A photograph of an oil component solubility test in Test Example 5. The result of the usability test in Test Example 7. The result of the usability test in Test Example 7.
- the first nonionic surfactant and the second nonionic surfactant constitute at least part of the lamellar gel phase.
- the oil phase is emulsified with a lamellar gel phase.
- the first nonionic surfactant is 0.1% by mass to 10% by mass with respect to the mass of the cleaning composition.
- the second nonionic surfactant is 0.5 parts by mass to 6 parts by mass with respect to 1 part by mass of the first nonionic surfactant.
- the first nonionic surfactant is polyethylene glycol distearate in which k is 4 to 8, represented by Chemical Formula 1.
- the second nonionic surfactant is at least one selected from the group of compounds represented by formulas 2 to 5 below.
- R 4 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- R 5 is an alkylene group having 2 to 4 carbon atoms.
- l represents an integer of 5 to 20;
- R 6 , R 10 and R 14 are each an alkylene group having 2 to 4 carbon atoms.
- R 7 , R 11 and R 15 are each an alkylene group having 8 to 12 carbon atoms.
- R 8 , R 12 and R 16 are each alkyl groups having 4 to 8 carbon atoms.
- R 9 , R 13 and R 17 are each a polymer of 12-hydroxystearic acid or a polymer of alkylene polyol.
- m, n and o are natural numbers respectively. The sum of m, n and o is 10-60.
- R 18 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- R 19 and R 20 are each an alkylene group having 2 to 4 carbon atoms.
- p and q are natural numbers respectively. The sum of p and q is 5-20.
- R 21 , R 22 , R 23 and R 25 are each an alkylene group having 2 to 4 carbon atoms.
- r, s, t and u are each natural numbers. The sum of r, s, t and u is 5-30.
- R 24 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- the lamellar gel phase has a higher eutectic point than the lamellar gel phase formed solely by any one of the second nonionic surfactants represented by formulas 2 to 5. and melting enthalpy.
- the HLB weighted average of the first nonionic surfactant and the second nonionic surfactant is 6-10.
- the oil phase contains 50% by mass or more of the oily component with a molecular weight of 400 or less relative to the mass of the oil phase.
- the lamellar gel phase further contains water.
- the content of the higher fatty alcohol or higher fatty acid is 1% by mass or less with respect to the mass of the cleaning composition.
- PEG is an abbreviation for polyethylene glycol
- POE for polyoxyethylene
- POP for polyoxypropylene. It represents the average number of added moles.
- the term “substantial amount” refers to the amount in which the addition of the compound can produce an effect.
- An oil-in-water cleaning composition according to the first embodiment of the present disclosure contains a lamellar gel phase, an oil phase, and an aqueous phase.
- the lamellar gel phase contains a first nonionic surfactant and a second nonionic surfactant.
- Nonionic surfactants constitute at least part of the lamellar gel phase.
- the lamellar gel phase can further contain water.
- the "lamellar gel phase” refers to a gel-like substance formed by an aggregate consisting of lamellar bilayer membranes formed by a hydrophilic surfactant in the presence of water.
- a lamellar gel is a gel that is an aggregate formed in water by a higher aliphatic alcohol and a hydrophilic surfactant and has an ⁇ -type structure (Shoji Fukushima, "Physical Chemistry of Cetyl Alcohol", Fragrance Journal). is called
- the lamellar gel-containing composition of the present disclosure includes a first nonionic surfactant believed to constitute at least a portion of the lamellar gel phase.
- the first nonionic surfactant is preferably a nonionic surfactant having hydrophobic portions on both sides of the hydrophilic portion.
- the first nonionic surfactant can be a nonionic surfactant having the structure shown in Formula 6 below.
- R 1 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- R 2 is an alkylene group having 2 to 4 carbon atoms.
- R 3 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- k is an integer from 4 to 15;
- the first nonionic surfactant examples include polyoxyethylene (4 mol) distearic acid (e.g., Emalex 200DIS manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene (6 mol) distearic acid (e.g., Nippon Emulsion Co., Ltd.) Emalex 300DIS manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene (8 mol) distearic acid (e.g. Emalex 400DIS manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene (12 mol) distearic acid (e.g.
- polyoxyethylene (4 mol) distearic acid e.g., Emalex 200DIS manufactured by Nippon Emulsion Co., Ltd.
- polyoxyethylene (6 mol) distearic acid e.g., Nippon Emulsion Co., Ltd.
- Emalex 300DIS manufactured by Nippon Emulsion Co., Ltd.
- polyoxyethylene (8 mol) distearic acid e
- Emalex 600DIS manufactured by Nippon Emulsion Co., Ltd. stearic acid Steareth-4 (e.g., Nippon Emulsion Co., Ltd., Emalex SWS-4), steareth-6 (e.g., Nippon Emulsion Co., Ltd., Emalex SWS-6), steareth-9 (e.g., Japan Emulsion Co., Ltd., Emalex SWS-9), polyoxyethylene (8 mol) dibehenyl ether and the like.
- the bonding pattern between the polyoxyethylene chain and the alkyl group may be ester, ether, or both.
- the content of the first nonionic surfactant is preferably 0.05% by mass or more with respect to the mass of the composition.
- the first nonionic surfactant is 0.1% by mass or more, 0.15% by mass or more, 0.2% by mass or more, 0.25% by mass or more, 0.3% by mass or more, 0.5% by mass % or more, 1 mass % or more, 2 mass % or more, 5 mass % or more, or 8 mass % or more. If the content of the first nonionic surfactant is less than 0.05% by mass, it becomes difficult to form a stable gel with low molecular weight oily components.
- the content of the first nonionic surfactant is preferably 10% by mass or less with respect to the mass of the composition.
- the first nonionic surfactant is 8% by mass or less, 5% by mass or less, 3% by mass or less, 2.5% by mass or less, 2% by mass or less, 1.5% by mass or less, 1% by mass or less, Alternatively, it can be 0.5% by mass or less.
- the content of the first surfactant exceeds 10% by mass, the viscosity becomes extremely high and the feeling of use becomes poor.
- the second nonionic surfactant is believed to constitute at least part of the lamellar gel phase together with the first nonionic surfactant.
- the second nonionic surfactant has an HLB of 7 or greater.
- the second nonionic surfactant has an HLB of 15 or less.
- the second nonionic surfactant can be at least one nonionic surfactant selected from the group of compounds represented by formulas 7 to 10 below.
- the second nonionic surfactant may be a combination of multiple types.
- R 4 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- R 5 is an alkylene group having 2 to 4 carbon atoms.
- l is an integer from 5 to 20;
- Examples of the second nonionic surfactant shown in Chemical formula 7 include polyoxyethylene (20 mol) behenyl ether (eg, Nikko Chemicals Co., Ltd., Nikkol BB-20), polyoxyethylene (10 mol) stearyl Ether (eg, Emalex 610, manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene (7 mol) cetyl ether (eg, Emalex 107, manufactured by Nippon Emulsion Co., Ltd.), and the like.
- polyoxyethylene (20 mol) behenyl ether eg, Nikko Chemicals Co., Ltd., Nikkol BB-20
- polyoxyethylene (10 mol) stearyl Ether eg, Emalex 610, manufactured by Nippon Emulsion Co., Ltd.
- polyoxyethylene (7 mol) cetyl ether eg, Emalex 107, manufactured by Nippon Emulsion Co., Ltd.
- R 6 , R 10 and R 14 are each an alkylene group having 2 to 4 carbon atoms.
- R 7 , R 11 and R 15 are each an alkylene group having 8 to 12 carbon atoms.
- R 8 , R 12 and R 16 are each alkyl groups having 4 to 8 carbon atoms.
- R 9 , R 13 and R 17 are each a polymer of 12-hydroxystearic acid or a polymer of alkylene polyol.
- the degree of polymerization of the polymer of 12-hydroxystearic acid or the polymer of alkylene polyol can be, for example, 1-3.
- m, n and o are natural numbers respectively. The sum of m, n and o is 10-60.
- Examples of the second nonionic surfactant shown in Chemical formula 8 include polyoxyethylene (20 mol) hydrogenated castor oil fatty acid glyceryl (for example, Nikkol HCO-20 manufactured by Nikko Chemicals Co., Ltd.), polyoxyethylene ( 60 mol) hydrogenated castor oil fatty acid glyceryl (eg, Nikko Chemicals Co., Ltd., Nikkol HCO-60) and the like.
- R 18 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- R 19 and R 20 are each an alkylene group having 2 to 4 carbon atoms.
- p and q are natural numbers respectively. The sum of p and q is 5-20.
- Examples of the second nonionic surfactant shown in Chemical formula 9 include polyoxyethylene monostearate (5 mol) glyceryl monostearate (e.g., Emalex GM-5 manufactured by Nippon Emulsion Co., Ltd.), polyoxyethylene monostearate (10 mol) glyceryl (eg, Emalex GM-10 manufactured by Nippon Emulsion Co., Ltd.) and the like.
- R 21 , R 22 , R 23 and R 25 are each an alkylene group having 2 to 4 carbon atoms.
- r, s, t and u are each natural numbers. The sum of r, s, t and u is 5-30.
- R 24 is a straight-chain acyl group or straight-chain alkyl group having 16 to 24 carbon atoms.
- Examples of the second nonionic surfactant shown in Chemical formula 10 include polyoxyethylene monostearate (20 mol) sorbitan (for example, Nikko Chemicals Co., Ltd., Nikkol TS-10V) and the like.
- the content of the second nonionic surfactant is preferably 0.05% by mass or more with respect to the mass of the composition.
- the second nonionic surfactant is 0.1% by mass or more, 0.15% by mass or more, 0.2% by mass or more, 0.25% by mass or more, 0.3% by mass or more, 0.5% by mass % or more, 1 mass % or more, 2 mass % or more, 5 mass % or more, or 8 mass % or more. If the content of the second nonionic surfactant is less than 0.05% by mass, it becomes difficult to form a lamellar gel.
- the content of the second nonionic surfactant is preferably 10% by mass or less with respect to the mass of the composition.
- the second nonionic surfactant is 8% by mass or less, 5% by mass or less, 3% by mass or less, 2.5% by mass or less, 2% by mass or less, 1.5% by mass or less, 1% by mass or less, Alternatively, it can be 0.5% by mass or less.
- the mass ratio of the first nonionic surfactant and the second nonionic surfactant is that the second nonionic surfactant per 1 part by mass of the first nonionic surfactant is It is preferable in it being 0.2 mass part or more.
- the second nonionic surfactant is 0.5 parts by mass or more, 1 part by mass or more, 1.5 parts by mass or more, 2 parts by mass or more with respect to 1 part by mass of the first nonionic surfactant , 2.5 parts by mass or more, or 3 parts by mass or more.
- the mass ratio of the first nonionic surfactant and the second nonionic surfactant is that the second nonionic surfactant per 1 part by mass of the first nonionic surfactant is It is preferable in it being 6 mass parts or less.
- the second nonionic surfactant should be 5 parts by mass or less, 4 parts by mass or less, 3 parts by mass or less, or 2 parts by mass or less per 1 part by mass of the first nonionic surfactant. can be done. If the amount of the second nonionic surfactant exceeds 6 parts by mass with respect to 1 part by mass of the first nonionic surfactant, it becomes difficult to form a highly stable lamellar gel with respect to polar oils.
- the total amount of the first nonionic surfactant and the second nonionic surfactant is preferably 15% by mass or less with respect to the mass of the composition.
- the total amount of the first nonionic surfactant and the second nonionic surfactant is 12% by mass or less, 10% by mass or less, 8% by mass or less, 6% by mass or less, relative to the mass of the composition. , 4% by weight or less, 2% by weight or less, or 1.5% by weight or less.
- the HLB weighted average of the first nonionic surfactant and the second nonionic surfactant can be 6 or more, 7 or more, 8 or more, or 9 or more.
- the HLB weighted average of the first nonionic surfactant and the second nonionic surfactant can be 11 or less, 10 or less, 9 or less, or 8 or less.
- the HLB weighted average can be calculated from the mass ratio of the first nonionic surfactant and the second nonionic surfactant.
- the first nonionic surfactant has an HLB of 6
- the second nonionic surfactant has an HLB of 12
- the first nonionic surfactant and the second nonionic The HLB weighted average is 10 when the weight ratio of the surfactants is 1:2.
- the oil-in-water cleaning composition of the present disclosure can further contain water.
- water water used in cosmetics, quasi-drugs, etc. can be used, and for example, purified water, ion-exchanged water, tap water, etc. can be used.
- the water content is 10% by mass or more, 15% by mass or more, 20% by mass or more, 25% by mass or more, 30% by mass or more, 35% by mass or more, or 40% by mass or more with respect to the mass of the composition. can do.
- the content of water is 90% by mass or less, 80% by mass or less, 70% by mass or less, 60% by mass or less, 50% by mass or less, 40% by mass or less, 30% by mass or less, 25% by mass or less, based on the mass of the composition. % by mass or less, or 20% by mass or less.
- the water content here includes not only the water in the aqueous phase but also the water contained in the lamellar gel phase.
- Oil phase The oil phase is emulsified in the lamellar gel phase.
- the oil phase is preferably liquid at 25° C. atmospheric pressure. Emulsification stability can be enhanced by emulsifying the oil phase with the lamellar gel phase.
- the average particle size of the oil phase is preferably 0.5 ⁇ m or more.
- the average particle size of the oil phase can be, for example, 1 ⁇ m or more.
- the average particle size of the oil phase is preferably 20 ⁇ m or less.
- the average particle size of the oil phase can be, for example, 15 ⁇ m or less, 10 ⁇ m or less, or 5 ⁇ m or less.
- the oil phase preferably contains an oily component with a molecular weight of 400 or less.
- an oily component having a molecular weight of 400 or less it is possible to enhance the detergency for oily substances to be washed such as make-up.
- Oily components having a molecular weight of 400 or less include, for example, tripropylene glycol dipivalate, isodecane, isononyl isononanoate, cetyl ethylhexanoate, ethyl isostearate, isobutyl isostearate, isodecyl neopentanoate, octyldodecyl neopentanoate, myristyl neopentanoate, and At least one selected from the group consisting of isostearyl neopentanoate can be mentioned.
- the oily component with a molecular weight of 400 or less is, for example, 50% by mass or more, 60% by mass or more, 70% by mass or more, 80% by mass or more, 90% by mass or more, or 100% by mass with respect to the mass of the oil phase. can be done.
- the oil phase is not particularly limited, and for example, liquid oils, solid oils, waxes, hydrocarbon oils, higher fatty acids, higher alcohols, synthetic ester oils, silicone oils, etc. can be appropriately blended.
- liquid oils examples 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, and linseed oil. , safflower oil, cottonseed oil, perilla oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, sinagiri oil, Japanese paulownia oil, jojoba oil, germ oil, triglycerin, and the like.
- solid fats and oils examples include cacao butter, coconut oil, horse fat, hydrogenated coconut oil, palm oil, beef tallow, mutton tallow, hydrogenated beef tallow, palm kernel oil, lard, beef bone fat, Japanese wax kernel oil, hydrogenated oil, beef leg fat, Japanese wax, hydrogenated castor oil and the like.
- waxes examples include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, wart wax, whale wax, montan wax, bran wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugarcane wax, isopropyl lanolin fatty acid, hexyl laurate, and reduced lanolin.
- jojoba wax hard lanolin, shellac wax
- POE lanolin alcohol ether POE lanolin alcohol acetate
- POE cholesterol ether lanolin fatty acid polyethylene glycol
- POE hydrogenated lanolin alcohol ether examples include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, wart wax, whale wax, montan wax, bran wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugarcane wax, isopropyl lanolin fatty acid, hexyl laurate, and
- hydrocarbon oils examples include liquid paraffin, ozokerite, squalane, pristane, paraffin, ceresin, squalene, petrolatum, and microcrystalline wax.
- higher fatty acids examples include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, undecylenic acid, toric acid, isostearic acid, linoleic acid, linoleic acid, eicosapentaenoic acid (EPA), docosahexaenoic acid ( DHA) and the like.
- Higher alcohols include, for example, straight-chain alcohols (e.g., lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.); branched-chain alcohols (e.g., monostearyl glycerin ether (bacyl alcohol ), 2-decyltetradecinol, lanolin alcohol, cholesterol, phytosterol, hexyldodecanol, isostearyl alcohol, octyldodecanol, etc.) can be used.
- straight-chain alcohols e.g., lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.
- branched-chain alcohols e.g., monostearyl glycerin ether (bacyl alcohol ), 2-decyltetrade
- Synthetic ester oils include isopropyl myristate, cetyl octanoate, octyldodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyldecyl dimethyloctanoate, cetyl lactate, and myristyl lactate.
- silicone oils include dimethylpolysiloxane, methylhydrogenpolysiloxane, methylphenylpolysiloxane, stearoxymethylpolysiloxane, polyether-modified organopolysiloxane, fluoroalkyl/polyoxyalkylene co-modified organopolysiloxane, and alkyl-modified organopolysiloxane.
- terminal-modified organopolysiloxane terminal-modified organopolysiloxane, fluorine-modified organopolysiloxane, amino-modified organopolysiloxane, silicone gel, acrylic silicone, trimethylsiloxysilicate, silicone RTV rubber, and silicone compounds such as cyclopentasiloxane.
- the content of the oil phase is preferably 3% by mass or more with respect to the mass of the oil-in-water cleaning composition.
- the oil phase is, for example, 5% by mass or more, 10% by mass or more, 15% by mass or more, 20% by mass or more, 25% by mass or more, 30% by mass or more, 35% by mass or more, 40% by mass or more, 45% by mass or more , 50% by mass or more, 55% by mass or more, or 60% by mass or more. If the oil phase is less than 5% by mass, the detergency will deteriorate.
- the content of the oil phase is preferably 80% by mass or less with respect to the mass of the oil-in-water cleaning composition.
- the oil phase can be, for example, 70% by mass or less, 60% by mass or less, 55% by mass or less, 50% by mass or less, 45% by mass or less, or 40% by mass or less. If the oil phase exceeds 80% by mass, the emulsification stability will decrease.
- the lamellar gel phase can be constructed only with nonionic surfactants.
- the content of the higher fatty alcohol or higher fatty acid having 16 or more carbon atoms that constitutes the lamellar gel phase is preferably 1% by mass or less relative to the mass of the oil-in-water cleaning composition.
- the oil-in-water detergent composition of the present disclosure may be substantially free of higher fatty alcohols or higher fatty acids having 16 or more carbon atoms. If the content of the higher fatty alcohol or higher fatty acid constituting the lamellar gel phase exceeds 1% by mass, the user feels slimy when applied to the skin.
- the contents of the first nonionic surfactant, the second nonionic surfactant, and water in the oil-in-water cleaning composition can be calculated from the contents of the lamellar gel phase.
- a method for producing the lamellar gel phase of the present disclosure will be described.
- a method for producing a lamellar gel phase can include, for example, a step of heating and melting the nonionic surfactant described above, and a step of adding water to the melted nonionic surfactant and stirring. .
- Nonionic surfactants can be melted at, for example, 70°C to 80°C. The added water is preferably heated to the same degree as the nonionic surfactant (eg, 70° C. to 80° C.; eg ⁇ 15° C.).
- a lamellar gel phase can be obtained by cooling after adding water.
- the nonionic surfactant is a mixture, for example, a mixture of the nonionic surfactant shown in Chemical formula 6 and the nonionic surfactant shown in Chemical formula 7 to Chemical formula 10 can be heated and melted.
- a method for producing an oil-in-water detergent composition can include, for example, a step of emulsifying an oily component in a lamellar gel phase, and a step of adding an aqueous component after emulsification.
- the step of emulsifying the oil component for example, the first nonionic surfactant and the second nonionic surfactant are dissolved in a polyhydric alcohol (eg, dipropylene glycol, 1,3-butylene glycol). and a step of emulsifying while adding an oily component to the solution.
- a polyhydric alcohol eg, dipropylene glycol, 1,3-butylene glycol
- the oil-in-water cleaning composition of the present disclosure can be produced using a non-aqueous emulsification method (D-phase emulsification method).
- Emulsified particles can be made finer by using a non-aqueous emulsification method.
- the lamellar gel phase can be adsorbed at the oil-water interface.
- the lamellar gel phase of the present disclosure can be constructed with nonionic surfactants without using higher fatty alcohols or higher fatty acids.
- the lamellar gel phase when the lamellar gel phase is applied to the skin, the user does not feel the sliminess of the lamellar gel phase using higher fatty alcohols or higher fatty acids, and can obtain a refreshing feeling.
- it is thought that a large amount of water-based components are not incorporated into the interplanar spaces of the lamellae it is possible to quickly absorb into the skin during application, and it is excellent in moisturizing action on the skin after application.
- the oil-in-water detergent composition of the present disclosure can have a lamellar gel phase configured as a single-phase self-assembly. Since the oil-in-water detergent composition of the present disclosure is formed only from polyoxyethylene-based nonionic surfactants having similar properties, it suppresses the formation of a two-phase mixture of a lamellar gel phase and crystals. be able to. Thereby, in the oil-in-water cleaning composition of the present disclosure, it is possible to suppress the occurrence of problems of stability over time such as crystal precipitation and viscosity increase.
- the lamellar gel phase of the present disclosure formed with the nonionic surfactant shown in Chemical formula 6 and the nonionic surfactant shown in Chemical formula 7 to Chemical formula 10 is the nonionic surfactant shown in Chemical formula 7 to Chemical formula 10 alone. It has a higher eutectic point and melting enthalpy than the lamellar gel phase formed. High temperature stability can be achieved by having a high eutectic point and melting point enthalpy.
- the oil-in-water cleansing composition of the present disclosure has higher stability and quicker compatibility with the skin than an oil-in-water cleansing composition emulsified in a lamellar gel phase using a higher fatty alcohol or a higher fatty acid. .
- the lamellar gel phase of the present disclosure has low solubility in oily components with a molecular weight of 400 or less and highly polar oily components. As a result, high emulsification stability can be maintained even when emulsifying low-molecular-weight oils and highly polar oils that cannot be emulsified in lamellar gel phases using higher fatty alcohols or higher fatty acids. As a result, a large amount of low-molecular-weight oily components with high cleansing effects can be blended, and the oil-in-water cleansing composition of the present disclosure exhibits, for example, high detergency for oily cleansing components such as makeup. Obtainable.
- the oil-in-water detergent composition of the present disclosure contains other components, such as water-soluble alcohol, powder, anionic surfactant, cationic surfactant, and amphoteric surfactant, as long as the effects of the present disclosure are not impaired. , hydrophilic nonionic surfactants, lipophilic nonionic surfactants, water-soluble polymers, thickeners, moisturizing agents, film agents, oil-soluble UV absorbers, water-soluble UV absorbers, sequestering agents, Amino acids, organic amines, polymer emulsions, pH adjusters, skin nutrients, vitamins, antioxidants, antioxidant aids, fragrances and the like can be appropriately contained as necessary.
- water-soluble alcohols include lower alcohols, polyhydric alcohols, polyhydric alcohol polymers, dihydric alcohol alkyl ethers, dihydric alcohol alkyl ethers, dihydric alcohol ether esters, glycerin monoalkyl ethers, sugar alcohols, At least one selected from monosaccharides, oligosaccharides, polysaccharides, derivatives thereof, and the like can be mentioned.
- lower alcohols examples include ethanol, propanol, isopropanol, isobutyl alcohol, t-butyl alcohol and the like.
- Dihydric alcohols include, for example, ethylene glycol, propylene glycol, trimethylene glycol, 1,2-butylene glycol, 1,3-butylene glycol, tetramethylene glycol, 2,3-butylene glycol, pentamethylene glycol, 2- Butene-1,4-diol, hexylene glycol, octylene glycol and the like can be used.
- trihydric alcohols examples include glycerin and trimethylolpropane.
- Polyhydric alcohols include, for example, dihydric alcohols (e.g., ethylene glycol, propylene glycol, trimethylene glycol, 1,2-butylene glycol, 1,3-butylene glycol, tetramethylene glycol, 2,3-butylene glycol, pentamethylene glycol, 2-butene-1,4-diol, hexylene glycol, octylene glycol, etc.); trihydric alcohols (e.g., glycerin, trimethylolpropane, etc.); tetrahydric alcohols (e.g., 1,2,6 -pentaerythritol such as hexanetriol); pentahydric alcohols (e.g., xylitol, etc.); hexahydric alcohols (e.g., sorbitol, mannitol, etc.);
- dihydric alcohol alkyl ethers e.g., diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol butyl ether, diethylene glycol methyl ethyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl Ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monobutyl ether, propylene glycol isopropyl ether, dipropylene glycol methyl ether, dipropylene glycol ethyl ether, dipropylene glycol dihydric alcohol ether ester (e.g., ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether acetate, ethylene glycol monopheny
- monosaccharides include three-carbon sugars (eg, D-glycerylaldehyde, dihydroxyacetone, etc.), four-carbon sugars (eg, D-erythrose, D-erythrulose, D-threose, erythritol, etc.), Five carbon sugars (e.g., L-arabinose, D-xylose, L-lyxose, D-arabinose, D-ribose, D-ribulose, D-xylulose, L- xylulose, etc.), hexoses (e.g., D-glucose, D-talose, D-psicose, D-galactose, D-fructose, L-galactose, L- mannose, D-tagatose, etc.), heptose (e.g., aldoheptose, heptulose, etc.), heptose
- oligosaccharides include at least one selected from sucrose, guntianose, umbelliferose, lactose, planteose, isoliquinoses, ⁇ , ⁇ -trehalose, raffinose, lignoses, umbilicine, stachyose, verbascoses, and the like. can be mentioned.
- polysaccharides include cellulose, quince seed, chondroitin sulfate, starch, galactan, dermatan sulfate, glycogen, gum arabic, heparan sulfate, hyaluronic acid, tragacanth gum, keratan sulfate, chondroitin, xanthan gum, mucoitin sulfate, guar gum, dextran, and keratosulfate. , locust bean gum, succinoglucan, caroninic acid and the like.
- Examples of other polyols include at least one selected from polyoxyethylene methyl glucoside (glucum E-10), polyoxypropylene methyl glucoside (glucum P-10), and the like.
- the powder is not particularly limited as long as it can be used in general, such as for cosmetics.
- Powders include, for example, inorganic powders (e.g., talc, kaolin, mica, sericite (sericite), muscovite, phlogopite, synthetic mica, red mica, biotite, slithiamite, calcined mica, calcined talc, permiculite, Magnesium carbonate, calcium carbonate, aluminum silicate, barium silicate, calcium silicate, magnesium silicate, strontium silicate, metal tungstate, magnesium, silica, zeolite, glass, barium sulfate, calcined calcium sulfate (calcined gypsum), Calcium phosphate, fluoroapatite, hydroxyapatite, ceramic powder, metal soap (e.g.
- inorganic powders e.g., talc, kaolin, mica, sericite (sericite
- organic powder e.g. polyamide resin powder (nylon powder), polyethylene powder, Polymethyl methacrylate powder, polystyrene powder, copolymer resin powder of styrene and acrylic acid, benzoguanamine resin powder, polytetrafluoroethylene powder, cellulose powder, silicone resin powder, silk powder, wool powder, urethane powder, etc.
- White pigments e.g., titanium dioxide, zinc oxide, etc.
- inorganic red pigments e.g., iron oxide (red iron oxide), iron titanate, etc.
- inorganic brown pigments ⁇ -iron oxide, etc.
- inorganic yellow pigments yellow Iron oxide, ocher, etc.
- inorganic black pigments black iron oxide, carbon black, low order titanium oxide, etc.
- inorganic purple pigments e.g., manganese violet, cobalt violet, etc.
- inorganic green pigments e.g., manganese violet, cobalt violet, etc.
- Red No. 202 Red No. Organic pigments such as Red No. 205, Red No. 220, Red No. 226, Red No. 228, Red No. 405, Orange No. 203, Orange No. 204, Yellow No. 205, Yellow No. 401, and Blue No. 404, Red No. 3, Red No. 104, Red No. 106, Red No. 227, Red No. 230, Red No. 401, Red No. 505, Orange No. 205, Yellow No. 4, Yellow No. 5, Yellow No. 202, Yellow No. 203, Green Color No. 3 and Blue No.
- Natural pigments e.g., chlorophyll, ⁇ -carotene, etc.
- Wax powder e.g., carnauba wax powder, etc.
- Starch powder e.g., corn starch powder, rice starch powder, etc.
- anionic surfactants include fatty acid soaps (e.g., sodium laurate, sodium palmitate, etc.); higher alkyl sulfate salts (e.g., sodium lauryl sulfate, potassium lauryl sulfate, etc.); alkyl ether sulfates (e.g., , POE-triethanolamine lauryl sulfate, POE-sodium lauryl sulfate, etc.); N-acylsarcosic acid (e.g., sodium lauroyl sarcosinate, etc.); sodium N-myristoyl-N-methyltaurate, sodium coconut oil fatty acid methyltaurate, sodium lauryl methyl tauride, etc.); phosphate ester salts (POE-sodium oleyl ether phosphate, POE-stearyl ether phosphate, etc.); sulfosuccinate (For example, sodium di-2-ethylhexyl
- POE-alkyl ether carboxylic acid POE-alkyl allyl ether carboxylate; ⁇ -olefin sulfonate higher fatty acid ester sulfonate; secondary alcohol sulfate; higher fatty acid alkylolamide sulfate; sodium lauroyl monoethanolamide succinate; N-palmitoyl aspartic acid ditriethanolamine; .
- Cationic surfactants include, for example, alkyltrimethylammonium salts (e.g., stearyltrimethylammonium chloride, lauryltrimethylammonium chloride, etc.); alkylpyridinium salts (e.g., cetylpyridinium chloride, etc.); dialkyldimethylammonium salts (e.g., distearyl chloride dimethylammonium); poly(N,N'-dimethyl-3,5-methylenepiperidinium) chloride; alkyl quaternary ammonium salts; alkyldimethylbenzylammonium salts; alkylisoquinolinium salts; - alkylamine; alkylamine salt; polyamine fatty acid derivative; amyl alcohol fatty acid derivative; benzalkonium chloride;
- alkyltrimethylammonium salts e.g., stearyltrimethylammonium chloride, lauryltrimethylammonium chloride, etc.
- Amphoteric surfactants include, for example, imidazoline-based amphoteric surfactants (e.g., 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide side-1-carboxyethyloxy disodium salt, etc.); betaine surfactants (e.g., 2-heptadecyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, lauryldimethylaminoacetic acid betaine, alkylbetaine, amidobetaine , sulfobetaine, etc.) and the like.
- imidazoline-based amphoteric surfactants e.g., 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide side-1-carbox
- Hydrophilic nonionic surfactants include, for example, POE-sorbitan fatty acid esters (eg, POE-sorbitan monooleate, POE-sorbitan monostearate, POE-sorbitan monooleate, POE-sorbitan tetraoleate, etc.); POE-sorbitol fatty acid esters (eg, POE-sorbitol monolaurate, POE-sorbitol monooleate, POE-sorbitol pentaoleate, POE-sorbitol monostearate, etc.); POE-glycerin fatty acid esters (eg, POE-glycerol mono stearate, POE-monooleate such as POE-glycerin monoisostearate, POE-glycerin triisostearate, etc.); POE-fatty acid esters (e.g., POE-distearate, POE-monodioleate, ethylene glycol diste
- Lipophilic nonionic surfactants include, for example, sorbitan fatty acid esters (e.g., sorbitan monooleate, sorbitan monoisostearate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan sesquioleate, sorbitan trioleate, diglycerol sorbitan penta-2-ethylhexylate, diglycerol sorbitan tetra-2-ethylhexylate, etc.); , ⁇ , ⁇ '-glycerol pyroglutamate, glyceryl monostearate, malic acid, etc.); propylene glycol fatty acid esters (eg, propylene glycol monostearate, etc.); hydrogenated castor oil derivatives;
- sorbitan fatty acid esters e.g., sorbitan monooleate, sorbitan monoisostearate, sorbitan monol
- natural water-soluble polymers include plant-based polymers (e.g., gum arabic, tragacanth gum, galactan, guar gum, carob gum, karaya gum, carrageenan, pectin, agar, quince seed (quince), algecolloid (cassou extract), starch ( rice, corn, potato, wheat), glycyrrhizic acid); microbial macromolecules (e.g., xanthan gum, dextran, succinoglucan, pullulan, etc.); mentioned.
- plant-based polymers e.g., gum arabic, tragacanth gum, galactan, guar gum, carob gum, karaya gum, carrageenan, pectin, agar, quince seed (quince), algecolloid (cassou extract), starch ( rice, corn, potato, wheat), glycyrrhizic acid
- microbial macromolecules e.g., xanthan gum,
- semi-synthetic water-soluble polymers include starch-based polymers (e.g., carboxymethyl starch, methylhydroxypropyl starch, etc.); cellulose-based polymers (methylcellulose, ethylcellulose, methylhydroxypropylcellulose, hydroxyethylcellulose, sodium cellulose sulfate, hydroxypropylcellulose, carboxymethylcellulose, sodium carboxymethylcellulose, crystalline cellulose, cellulose powder, etc.); alginate-based polymers (eg, sodium alginate, propylene glycol alginate, etc.);
- Examples of synthetic water-soluble polymers include vinyl polymers (eg, polyvinyl alcohol, polyvinyl methyl ether, polyvinylpyrrolidone, carboxyvinyl polymer, etc.); polyoxyethylene polymers (eg, polyethylene glycol 20,000, 40, 000, 60,000 polyoxyethylene polyoxypropylene copolymers, etc.); acrylic polymers (eg, sodium polyacrylate, polyethyl acrylate, polyacrylamide, etc.); polyethyleneimine; cationic polymers, and the like.
- vinyl polymers eg, polyvinyl alcohol, polyvinyl methyl ether, polyvinylpyrrolidone, carboxyvinyl polymer, etc.
- polyoxyethylene polymers eg, polyethylene glycol 20,000, 40, 000, 60,000 polyoxyethylene polyoxypropylene copolymers, etc.
- acrylic polymers eg, sodium polyacrylate, polyethyl acrylate, polyacrylamide, etc.
- polyethyleneimine cationic
- Thickeners include, for example, gum arabic, carrageenan, karaya gum, tragacanth gum, carob gum, quince seed (quince), casein, dextrin, gelatin, sodium pectate, sodium alginate, methylcellulose, ethylcellulose, carboxymethylcellulose (CMC), and hydroxyethylcellulose.
- hydroxypropylcellulose polyvinyl alcohol (PVA), polyvinyl methyl ether (PVM), PVP (polyvinylpyrrolidone), sodium polyacrylate, carboxyvinyl polymer, locust bean gum, guar gum, tamarind gum, dialkyldimethylammonium cellulose sulfate, xanthan gum, silica
- PVA polyvinyl alcohol
- PVM polyvinyl methyl ether
- PVP polyvinylpyrrolidone
- sodium polyacrylate sodium polyacrylate
- carboxyvinyl polymer locust bean gum, guar gum, tamarind gum, dialkyldimethylammonium cellulose sulfate, xanthan gum
- silica examples include magnesium aluminum oxide, bentonite, hectorite, magnesium aluminum silicate (Vegum), laponite, silicic anhydride, taurate-based synthetic polymer, and acrylate-based synthetic polymer.
- moisturizing agents include polyethylene glycol, propylene glycol, glycerin, 1,3-butylene glycol, xylitol, sorbitol, maltitol, chondroitin sulfate, hyaluronic acid, mucoitin sulfate, caroninic acid, atelocollagen, and cholesteryl-12-hydroxystearate. , sodium lactate, bile salts, dl-pyrrolidone carboxylate, alkylene oxide derivatives, short-chain soluble collagen, diglycerin (EO) PO adducts, rose barra extract, yarrow extract, melilot extract and the like.
- EO diglycerin
- film-forming agents examples include anionic film-forming agents (e.g., (meth)acrylic acid/(meth)acrylic acid ester copolymer, methyl vinyl ether/maleic anhydride high polymer, etc.), cationic film-forming agents (e.g., cationic cellulose, dimethyldiallylammonium chloride polymer, dimethyldiallylammonium chloride/acrylamide copolymer, etc.), nonionic film agents (e.g., polyvinyl alcohol, polyvinylpyrrolidone, polyvinyl acetate, polyacrylate copolymer, (meth) acrylamide, polymer silicone, silicone resin, trimethylsiloxysilicate, etc.).
- anionic film-forming agents e.g., (meth)acrylic acid/(meth)acrylic acid ester copolymer, methyl vinyl ether/maleic anhydride high polymer, etc.
- cationic film-forming agents e.g., cationic cellulose
- oil-soluble UV absorbers examples include benzoic acid-based UV absorbers (e.g., para-aminobenzoic acid (hereinafter abbreviated as PABA), PABA monoglycerin ester, N,N-dipropoxy PABA ethyl ester, N,N-diethoxy PABA ethyl ester, N,N-dimethyl PABA ethyl ester, N,N-dimethyl PABA butyl ester, N,N-dimethyl PABA ethyl ester, diethylaminohydroxybenzoyl hexyl benzoate, etc.); N-acetylanthranilate, etc.); salicylic acid-based UV absorbers (e.g., ethylhexyl salicylate, amyl salicylate, menthyl salicylate, homomenthyl salicylate, octyl salicylate, phenyl salicylate, benzyl salicylate,
- water-soluble UV absorbers examples include benzophenone UV absorbers (eg, 2-hydroxy-4-methoxybenzophenone-5-sulfonate), benzylidene camphor UV absorbers (benzylidene camphor sulfonic acid, terephthalyl camphor sulfonic acid, etc.), phenylbenzimidazole-based UV absorbers (phenylbenzimidazole sulfonic acid, etc.), and the like.
- benzophenone UV absorbers eg, 2-hydroxy-4-methoxybenzophenone-5-sulfonate
- benzylidene camphor UV absorbers benzylidene camphor sulfonic acid, terephthalyl camphor sulfonic acid, etc.
- phenylbenzimidazole-based UV absorbers phenylbenzimidazole sulfonic acid, etc.
- sequestering agents include 1-hydroxyethane-1,1-diphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acid tetrasodium salt, disodium edetate, trisodium edetate, and tetrasodium edetate. , sodium citrate, sodium polyphosphate, sodium metaphosphate, gluconic acid, phosphoric acid, citric acid, ascorbic acid, succinic acid, edetic acid, trisodium ethylenediaminehydroxyethyl triacetate, and the like.
- Amino acids include, for example, neutral amino acids (eg, threonine, cysteine, etc.); basic amino acids (eg, hydroxylysine, etc.).
- amino acid derivatives include sodium acyl sarcosinate (sodium lauroyl sarcosinate), acyl glutamate, sodium acyl ⁇ -alanine, glutathione, pyrrolidone carboxylic acid and the like.
- organic amines examples include monoethanolamine, diethanolamine, triethanolamine, morpholine, triisopropanolamine, 2-amino-2-methyl-1,3-propanediol, 2-amino-2-methyl-1-propanol, and the like. is mentioned.
- polymer emulsions examples include acrylic resin emulsions, polyethyl acrylate emulsions, acrylic resin liquids, polyacryl alkyl ester emulsions, polyvinyl acetate resin emulsions, and natural rubber latex.
- pH adjusters examples include buffers such as lactic acid-sodium lactate, citric acid-sodium citrate, and succinic acid-sodium succinate.
- vitamins examples include vitamins A, B1, B2, B6, C, E and their derivatives, pantothenic acid and its derivatives, biotin, and the like.
- antioxidants examples include tocopherols, dibutylhydroxytoluene, butylhydroxyanisole, and gallic acid esters.
- antioxidant aids include phosphoric acid, citric acid, ascorbic acid, maleic acid, malonic acid, succinic acid, fumaric acid, cephalin, hexametaphosphate, phytic acid, and ethylenediaminetetraacetic acid.
- ingredients that can be blended include, for example, preservatives (ethylparaben, butylparaben, chlorphenesin, phenoxyethanol, etc.); ); whitening agent (e.g., placenta extract, saxifrage extract, arbutin, etc.); , coix seed, loofah, lily, saffron, cnidium, ginger, hypericum, ononis, garlic, red pepper, chimp, angelica, seaweed, etc.), activator (e.g., royal jelly, photosensitizer, cholesterol derivative, etc.); blood circulation promoter (e.g., , Nonylic Acid Vanillylamide, Nicotinic Acid Benzyl Ester, Nicotinic Acid ⁇ -Butoxyethyl Ester, Capsaicin, Zingerone, Cantharis Tincture, Ictamol, Tannic Acid, ⁇ -Borneol, Tocopherol Nicotinate, Inositol
- composition of the present disclosure contains caffeine, tannin, verapamil, tranexamic acid and its derivatives, various crude drug extracts such as licorice, Chinese quince, and Ichiyakuso, tocopheryl acetate, glycyrrhizic acid, glycyrrhizic acid and its derivatives or salts thereof, and the like.
- Pharmaceutical agents, whitening agents such as vitamin C, magnesium ascorbyl phosphate, ascorbyl glucoside, arbutin and kojic acid, amino acids such as arginine and lysine and their derivatives may also be contained as appropriate.
- oil-in-water cleaning composition of the present disclosure will be described below with examples. However, the oil-in-water detergent composition of the present disclosure is not limited to the following examples.
- the unit of the content of each component shown in each table is % by mass.
- compositions shown in Tables 1 to 4 were prepared, and each composition was subjected to small-angle and wide-angle X-ray scattering measurement and differential scanning calorimetry (DSC measurement).
- DSC measurement differential scanning calorimetry
- the number of moles in brackets shown in Tables 1 to 4 indicates the average number of added moles of polyoxyethylene.
- Polyoxyethylene (6 mol) distearic acid was used as the first nonionic surfactant, which is a two-chain nonionic surfactant.
- a second nonionic surfactant with HLB 7-15 polyoxyethylene (7 mol) cetyl ether (HLB 10), polyoxyethylene (20 mol) hydrogenated castor oil fatty acid glyceryl (HLB 10.5) and polyoxyethylene (10 mol) a 3:2 mixture of hydrogenated castor oil fatty acid glyceryl (HLB 7), polyoxyethylene monostearate (10 mol) glyceryl monostearate (HLB 11), and polyoxyethylene monostearate (20 mol) sorbitan (HLB 14. 9) was used.
- the nonionic surfactants shown in the table below are melted at 70 to 80 ° C. to form one phase, ion-exchanged water at 70 to 80 ° C. is added and stirred, and then cooled. It was made by
- addition display is a chart of the composition to which the first nonionic surfactant is added
- no addition display is the first nonionic surfactant. It is a chart of composition without addition.
- the first nonionic surfactant, the second nonionic surfactant, and water form a one-phase self-assembly.
- crystal masses are precipitated in the composition.
- the compositions of the present disclosure have been shown to be homogeneous compositions. Also, the compositions of the present disclosure have been found to have high temperature stability.
- FIG. 5 shows the melting enthalpy (addition) of the composition containing the first nonionic surfactant and the second nonionic surfactant mixture in Test Examples 1 to 4, and the second nonionic surfactant Figure 2 shows a comparison of the melting enthalpies of lamellar gels alone or compositions containing lamellar liquid crystals (no additive).
- polyoxyethylene (6 mol) distearic acid significantly increased the melting enthalpy of each nonionic surfactant aqueous dispersion self-assembly. From the above, it was found that the addition of polyoxyethylene (6 mol) distearic acid increased the regularity of the self-organization of the nonionic surfactant and made the lamellar gel more rigid.
- the volume fraction is a number obtained by multiplying 100 by the ratio (b/a) of the height (b) from the bottom surface to the top surface of the lamellar gel phase (cloudy part) to the height (a) of the liquid surface from the bottom surface.
- FIG. 6 shows photographs of the compositions of Test Examples 5-1 to 5-4.
- the compositions of Test Examples 5-1 and 5-2 are the same as the compositions of Test Examples 3-1 and 3-2.
- Test Example 6-1 40% by mass of a low-molecular-weight oily component was blended. Therefore, it is considered that the oil-in-water detergent composition of Test Example 6-1 has high detergency.
- Test Example 7 An oil-in-water (O/W) detergent composition using the lamellar gel phase of the present disclosure was tested for feeling in use.
- Test Example 7-1 is a cleanser using the lamellar gel phase of the present disclosure.
- an ⁇ -gel oil-in-water (O/W) detergent using soap behenate, soap stearate, polyoxyethylene (5 mol) glyceryl monostearate, glyceryl monostearate, and behenyl alcohol (Test Example 7 -2), and an oil-in-water (O/W) cleaning agent using polyoxyethylene (60 mol) hydrogenated castor oil (Test Example 7-3).
- Table 7 shows the compositions of the oil-in-water detergent compositions of Test Examples 7-1 to 7-3.
- the cleanser using the lamellar gel phase of the present disclosure spreads better, is smoother, and feels refreshed than the cleanser using the lamellar gel phase of Test Example 7-2. Regardless, it was found that the emollient feeling of the skin after cleansing was high. It was found that the cleansing agent of the present disclosure has a superior feeling in use than the cleansing agent of Test Example 7-2.
- the cleanser using the lamellar gel phase of the present disclosure spreads better and is smoother than the cleanser emulsified with polyoxyethylene (60 mol) hydrogenated castor oil in Test Example 7-3. It was found that the skin had a high emollient feeling after cleansing even though it was refreshing. It was found that the cleanser of the present disclosure has a superior feeling in use than the cleanser of Test Example 7-3.
- composition of the present disclosure are given below. Application examples of the composition of the present disclosure are not limited by the following formulation examples.
- the unit of content of each component shown in the table is % by mass.
- [Appendix 3] The production method according to the appendix, wherein in the water addition step, the first nonionic surfactant is heated to a temperature within ⁇ 15° C. before addition.
- [Appendix 4] A solution preparation step of dissolving the first nonionic surfactant in a polyhydric alcohol to prepare a solution; adding an oily component to the solution to emulsify; After emulsification, adding water; A method for producing an oil-in-water cleaning composition.
- [Appendix 5] The manufacturing method according to the appendix, wherein the first nonionic surfactant and the second nonionic surfactant are melted in the solution preparation step.
- the oil-in-water cleanser composition of the present disclosure can be applied, for example, to cleansers applied to skin, cleansers applied to hair, and the like.
- the oil-in-water cleanser composition of the present disclosure can be applied to makeup cleansers, shampoos, and the like.
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Abstract
Description
本開示のラメラゲル含有組成物は、ラメラゲル相の少なくとも一部を構成していると考えられる第1の非イオン性界面活性剤を含む。第1の非イオン性界面活性剤は、親水部の両側に疎水部を有する非イオン性界面活性剤であると好ましい。例えば、第1の非イオン性界面活性剤は、下記化6に示す構造を有する非イオン性界面活性剤とすることができる。
第2の非イオン性界面活性剤は、第1の非イオン性界面活性剤と共に、ラメラゲル相の少なくとも一部を構成していると考えられる。第2の非イオン性界面活性剤は、7以上のHLBを有すると好ましい。第2の非イオン性界面活性剤は、15以下のHLBを有すると好ましい。
本開示の水中油型洗浄料組成物は、水をさらに含むことができる。水としては、化粧料、医薬部外品等に使用される水を使用することができ、例えば、精製水、イオン交換水、水道水等を使用することができる。
油相は、ラメラゲル相で乳化されている。油相は、大気圧25℃で液状であると好ましい。油相をラメラゲル相で乳化することにより、乳化安定性を高めることができる。
本開示の組成物においては、非イオン性界面活性剤のみでラメラゲル相を構築することができる。本開示の組成物において、ラメラゲル相を構成する炭素数16以上の高級脂肪族アルコール又は高級脂肪酸の含有率が水中油型洗浄料組成物の質量に対して1質量%以下であると好ましい。本開示の水中油型洗浄料組成物は、炭素数16以上の高級脂肪族アルコール又は高級脂肪酸は実質的に含有しないこともできる。ラメラゲル相を構成する高級脂肪族アルコール又は高級脂肪酸が1質量%を超えて含有すると、肌への塗布時に使用者がぬるつきを感じてしまう。
多価アルコールとしては、例えば、2価のアルコール(例えば、エチレングリコール、プロピレングリコール、トリメチレングリコール、1,2-ブチレングリコール、1,3-ブチレングリコール、テトラメチレングリコール、2,3-ブチレングリコール、ペンタメチレングリコール、2-ブテン-1,4-ジオール、ヘキシレングリコール、オクチレングリコール等);3価のアルコール(例えば、グリセリン、トリメチロールプロパン等);4価アルコール(例えば、1,2,6-ヘキサントリオール等のペンタエリスリトール等);5価アルコール(例えば、キシリトール等);6価アルコール(例えば、ソルビトール、マンニトール等);多価アルコール重合体(例えば、ジエチレングリコール、ジプロピレングリコール、トリエチレングリコール、ポリプロピレングリコール、テトラエチレングリコール、ジグリセリン、ポリエチレングリコール、トリグリセリン、テトラグリセリン、ポリグリセリン等);2価のアルコールアルキルエーテル類(例えば、エチレングリコールモノメチルエーテル、エチレングリコールモノエチルエーテル、エチレングリコールモノブチルエーテル、エチレングリコールモノフェニルエーテル、エチレングリコールモノヘキシルエーテル、エチレングリコールモノ2-メチルヘキシルエーテル、エチレングリコールイソアミルエーテル、エチレングリコールベンジルエーテル、エチレングリコールイソプロピルエーテル、エチレングリコールジメチルエーテル、エチレングリコールジエチルエーテル、エチレングリコールジブチルエーテル等);2価アルコールアルキルエーテル類(例えば、ジエチレングリコールモノメチルエーテル、ジエチレングリコールモノエチルエーテル、ジエチレングリコールモノブチルエーテル、ジエチレングリコールジメチルエーテル、ジエチレングリコールジエチルエーテル、ジエチレングリコールブチルエーテル、ジエチレングリコールメチルエチルエーテル、トリエチレングリコールモノメチルエーテル、トリエチレングリコールモノエチルエーテル、プロピレングリコールモノメチルエーテル、プロピレングリコールモノエチルエーテル、プロピレングリコールモノブチルエーテル、プロピレングリコールイソプロピルエーテル、ジプロピレングリコールメチルエーテル、ジプロピレングリコールエチルエーテル、ジプロピレングリコールブチルエーテル等);2価アルコールエーテルエステル(例えば、エチレングリコールモノメチルエーテルアセテート、エチレングリコールモノエチルエーテルアセテート、エチレングリコールモノブチルエーテルアセテート、エチレングリコールモノフェニルエーテルアセテート、エチレングリコールジアジベート、エチレングリコールジサクシネート、ジエチレングリコールモノエチルエーテルアセテート、ジエチレングリコールモノブチルエーテルアセテート、プロピレングリコールモノメチルエーテルアセテート、プロピレングリコールモノエチルエーテルアセテート、プロピレングリコールモノプロピルエーテルアセテート、プロピレングリコールモノフェニルエーテルアセテート等);グリセリンモノアルキルエーテル(例えば、キミルアルコール、セラキルアルコール、バチルアルコール等);糖アルコール(例えば、ソルビトール、マルチトール、マルトトリオース、マンニトール、ショ糖、エリトリトール、グルコース、フルクトース、デンプン分解糖、マルトース、キシリトール、デンプン分解糖還元アルコール等);グリコリド;テトラハイドロフルフリルアルコール;POE-テトラハイドロフルフリルアルコール;POP-ブチルエーテル;POP・POE-ブチルエーテル;トリポリオキシプロピレングリセリンエーテル;POP-グリセリンエーテル;POP-グリセリンエーテルリン酸;POP・POE-ペンタンエリスリトールエーテル、ポリグリセリン等が挙げられる。
表1~4に示す組成物を作製し、各組成物について小角広角X線散乱測定及び示差走査熱量測定(DSC測定)を行った。表1~表4に示す括弧書きのモル数は、ポリオキシエチレンの平均付加モル数を示す。
本開示のラメラゲル相の極性油性成分に対する溶解性を試験した。表5に示す成分でラメラゲル相を含む組成物を調製した。この組成物に高極性油性成分であるジピバリン酸トリプロピレングリコール(日清オイリオ社製、サラコスTPG)を同質量加え、50℃の恒温槽に1か月間保存して、ジピバリン酸トリプロピレングリコールに対する各ラメラゲルの溶解性を確認した。溶解性は、ラメラゲル相の容積分率で比較した。容積分率は、底面から液面の高さ(a)に対する底面からラメラゲル相(白濁部分)の上面までの高さ(b)の比(b/a)に100を乗じた数である。図6に、試験例5-1~5-4の組成物の写真を示す。試験例5-1及び試験例5-2の組成物は、試験例3-1及び試験例3-2の組成物と同じである。
本開示の水中油型洗浄料組成物の乳化安定性を試験した。油相には、クレンジング性の高い低分子量油分としてジピバリン酸トリプロピレングリコール及びイソデカンを用いた。作製した水中油型洗浄料組成物を50℃で1ヶ月保存して、乳化油滴の合一の有無を確認した。比較対照として、本開示のラメラゲル相で乳化せずに、第2の非イオン性界面活性剤単独又は高級アルコールで作成したラメラゲル相で乳化させた水中油型組成物についても同様の試験を行った。表6に、組成及び結果を示す。
本開示のラメラゲル相を用いた水中油(O/W)型洗浄料組成物の使用感触について試験した。試験例7-1は、本開示のラメラゲル相を用いた洗浄料である。比較対照として、ベヘニン酸石鹸、ステアリン酸石鹸、モノステアリン酸ポリオキシエチレン(5モル)グリセリル、モノステアリン酸グリセリル、及びベヘニルアルコールを用いたαゲル水中油(O/W)型洗浄料(試験例7-2)、並びにポリオキシエチレン(60モル)硬化ヒマシ油を用いた水中油(O/W)型洗浄料(試験例7-3)を用いた。表7に、試験例7-1~7-3の水中油型洗浄料組成物の組成を示す。
非イオン性界面活性剤のHLB加重平均を変化させてラメラゲルが作製可能であるか、そして当該ラメラゲルで水中油型組成物が作製可能であるかを確認した。表8に、水中油型組成物の組成を示す。
常法により乳化して、表9に示すクレンジング乳液を作製した。得られたクレンジング乳液を脱脂綿に含浸させて、クレンジングシートを作製した。当該クレンジングシートで、化粧したマスカラを除去したところ、マスカラを良く落とすことができた。また、使用者は、洗浄後に、油っぽさを感じず、さっぱり感を得ることができた。さらに、クレンジング乳液は乳化安定性が良好であった。
常法により乳化して、表10に示すクレンジングジェルを作製した。当該クレンジングジェルで、化粧したマスカラを除去したところ、マスカラを良く落とすことができた。また、使用者は、洗浄後に、油っぽさを感じず、さっぱり感を得ることができた。さらに、クレンジング乳液は安定性が良好であった。
[付記1]
第1の非イオン性界面活性剤を溶融する溶融工程と、
溶融した前記第1の非イオン性界面活性剤に、水を添加して撹拌する水添加工程と、
作製されたラメラゲル相で油相を乳化する乳化工程と、を含む、水中油型洗浄料組成物の製造方法。
[付記2]
前記溶融工程において、前記第1の非イオン性界面活性剤及び第2の非イオン性界面活性剤を溶融する、付記に記載の製造方法。
[付記3]
水添加工程において、添加前に、前記第1の非イオン性界面活性剤の加熱温度に対して±15℃の範囲まで加熱する、付記に記載の製造方法。
[付記4]
第1の非イオン性界面活性剤を多価アルコールに溶解して溶液を作製する溶液作製工程と、
前記溶液に油性成分を添加して乳化する工程と、
乳化後、水を添加する工程と、
を含む、水中油型洗浄料組成物の製造方法。
[付記5]
前記溶液作製工程において、前記第1の非イオン性界面活性剤及び第2の非イオン性界面活性剤を溶融する、付記に記載の製造方法。
[付記6]
前記多価アルコールは、2価アルコールである、付記に記載の製造方法。
[付記7]
前記第1の非イオン性界面活性剤は、上記化1に示す式で表される、付記に記載の製造方法。
[付記8]
前記第2の非イオン性界面活性剤は、上記化2~化5に示す式で表される化合物の群から選択される少なくとも1つである、付記に記載の製造方法。
[付記9]
本開示の水中油型洗浄料組成物を化粧料の洗浄に適用する、使用方法。
Claims (11)
- 前記第1の非イオン性界面活性剤及び前記第2の非イオン性界面活性剤が前記ラメラゲル相の少なくとも一部を構成している、請求項1に記載の洗浄料組成物。
- 前記油相は前記ラメラゲル相でもって乳化されている、請求項1又は2に記載の洗浄料組成物。
- 前記第1の非イオン性界面活性剤は、洗浄料組成物の質量に対して0.1質量%~10質量%であり
前記第2の非イオン性界面活性剤は、前記第1の非イオン性界面活性剤1質量部に対して、0.5質量部~6質量部である、請求項1~3のいずれか一項に記載の洗浄料組成物。 - 前記第1の非イオン性界面活性剤は、化1の式に示すkが4~8のジステアリン酸ポリエチレングリコールである、請求項1~4のいずれか一項に記載の洗浄料組成物。
- 前記第2の非イオン性界面活性剤は、下記化2~化5に示す式で表される化合物の群から選択される少なくとも1つである、請求項1~5のいずれか一項に記載の洗浄料組成物。
(化2に示す式において、R4は炭素数16~24の直鎖アシル基又は直鎖アルキル基であり、R5は炭素数2~4のアルキレン基であり、lは5~20の整数を表す。)
(化3に示す式において、R6、R10及びR14は、それぞれ、炭素数2~4のアルキレン基であり、R7、R11及びR15は、それぞれ、炭素数8~12のアルキレン基であり、R8、R12及びR16は、それぞれ、炭素数4~8のアルキル基であり、R9、R13及びR17は、それぞれ、12-ヒドロキシステアリン酸の重合体又はアルキレンポリオールの重合体であり、m、n及びoは、それぞれ、自然数であり、m、n及びoの合計は10~60である。)
(化4に示す式において、R18は炭素数16~24の直鎖アシル基又は直鎖アルキル基であり、R19及びR20は、それぞれ、炭素数2~4のアルキレン基であり、p及びqは、それぞれ、自然数であり、p及びqの合計は5~20である。)
(化5に示す式において、R21、R22、R23及びR25は、それぞれ、炭素数2~4のアルキレン基であり、r、s、t及びuは、それぞれ、自然数であり、r、s、t及びuの合計は5~30であり、R24は炭素数16~24の直鎖アシル基又は直鎖アルキル基である。) - 前記ラメラゲル相は、化2~化5の式に示されるいずれか1つの前記第2の非イオン性界面活性剤単独で形成されたラメラゲル相よりも高い共融点及び融解エンタルピーを有する、請求項1~6のいずれか一項に記載の洗浄料組成物。
- 前記第1の非イオン性界面活性剤及び前記第2の非イオン性界面活性剤のHLB加重平均は6~10である、請求項1~7のいずれか一項に記載の洗浄料組成物。
- 前記油相は、前記油相の質量に対して50質量%以上の、分子量400以下の油性成分を含む、請求項1~8のいずれか一項に記載の洗浄料組成物。
- 前記ラメラゲル相は、水をさらに含む、請求項1~9のいずれか一項に記載の洗浄料組成物。
- 高級脂肪族アルコール又は高級脂肪酸の含有率が洗浄料組成物の質量に対して1質量%以下である、請求項1~10のいずれか一項に記載の洗浄料組成物。
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| KR20190004418A (ko) * | 2017-07-04 | 2019-01-14 | 주식회사 풀무원 | 백탁현상이 없고 사용감이 우수한 레시틴 및 소수성 계면활성제 기반의 실록산프리(siloxane-free) 라멜라액정 O/W(oil-in-water) 유화 로션 크림 제형 제조 방법 및 이를 함유하는 화장료 조성물 |
| WO2021205902A1 (ja) * | 2020-04-06 | 2021-10-14 | 株式会社 資生堂 | ラメラゲル含有組成物、乳化組成物、及び皮膚外用剤組成物 |
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| KR20190004418A (ko) * | 2017-07-04 | 2019-01-14 | 주식회사 풀무원 | 백탁현상이 없고 사용감이 우수한 레시틴 및 소수성 계면활성제 기반의 실록산프리(siloxane-free) 라멜라액정 O/W(oil-in-water) 유화 로션 크림 제형 제조 방법 및 이를 함유하는 화장료 조성물 |
| WO2021205902A1 (ja) * | 2020-04-06 | 2021-10-14 | 株式会社 資生堂 | ラメラゲル含有組成物、乳化組成物、及び皮膚外用剤組成物 |
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