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WO2021077320A1 - Composition pour le soin de la peau - Google Patents

Composition pour le soin de la peau Download PDF

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Publication number
WO2021077320A1
WO2021077320A1 PCT/CN2019/112713 CN2019112713W WO2021077320A1 WO 2021077320 A1 WO2021077320 A1 WO 2021077320A1 CN 2019112713 W CN2019112713 W CN 2019112713W WO 2021077320 A1 WO2021077320 A1 WO 2021077320A1
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WO
WIPO (PCT)
Prior art keywords
weight
composition
salt
hyaluronic acid
composition according
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/CN2019/112713
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English (en)
Inventor
Yirui ZHU
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.)
LOreal SA
Original Assignee
LOreal SA
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
Application filed by LOreal SA filed Critical LOreal SA
Priority to PCT/CN2019/112713 priority Critical patent/WO2021077320A1/fr
Priority to CN201980101602.7A priority patent/CN114585348A/zh
Publication of WO2021077320A1 publication Critical patent/WO2021077320A1/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
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/735—Mucopolysaccharides, e.g. hyaluronic acid; 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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4993—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
    • A61K8/72—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
    • 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
    • A61Q19/08—Anti-ageing preparations

Definitions

  • the present invention relates to a cosmetic composition caring for keratin materials, and in particular the skin. Further, the present invention relates to use of same, and/orin an amountin particular as a skincare product, as well as to a process for the cosmetic treatment of keratin materials such as the skin, the lips, the hair, and in particular the skin.
  • keratin materials such as the skin tend to dry out due to environmental factors (pollution, wind, cold, air conditioning) , psychological (fatigue, stress) or hormonal (menopause) .
  • environmental factors polylution, wind, cold, air conditioning
  • psychological fatigue, stress
  • hormonal menopause
  • moisturizing agents which are in particular hygroscopic substances that cause rehydration of the skin by capturing atmospheric water and by retention of water in the skin. It is also possible to use glycosaminoglycans (GAG) or mucopolysaccharides such as hyaluronic acid or salts thereof to improve the hydration of skin.
  • GAG glycosaminoglycans
  • mucopolysaccharides such as hyaluronic acid or salts thereof to improve the hydration of skin.
  • hyaluronic acids are those of macromolecules with a high molecular weight (HMW) between 500 KDa and 2000 KDa, whilst low molecular weight (LMW) hyaluronic acid or derivatives thereof can also be used which, due to its low molecular weight, may exhibit improved efficacy or improved biological action.
  • HMW high molecular weight
  • LMW low molecular weight
  • Hyaluronic acid is generally used at very low levels of the order of 0.01 to 0.5%by weight because of its high price and the rather sticky and slippery feel that it gives to compositions containing them. To obtain a composition with effective moisturizing properties, it had been developed to formulate hyaluronic acid at high levels, in the presence of a specific surfactant.
  • composition comprising in an aqueous phase (i) a combination of both acetylated hyaluronic acid or a salt thereof and hyaluronic acid or a salt thereof; and (ii) solubilizer, solves these problems.
  • component (i) i.e., the combination of both acetylated hyaluronic acid or a salt thereof and hyaluronic acid or a salt thereof, is used in an amount of at least 0.50%by weight relative to the total weight of the composition.
  • component (ii) i.e., the solubilizer
  • component (ii) is used in an amount of at least 0.50%by weight relative to the total weight of the composition.
  • component (ii) is used in an amount of less than 2.0%by weight, relative to the total weight of the composition
  • acetylated hyaluronic acid or a salt thereof and hyaluronic acid or a salt thereof are used in a ratio by weight of 1: 20 to 1: 1, preferably 1: 10 to less than 1: 1, or preferably 1: 5 to 1: 2, or 1: 3 to 1: 2.
  • composition according to the invention has in particular a fluid and light texture, spreading easily on the skin without providing a greasy or sticky feeling.
  • the composition according to the invention is especially stable over time.
  • the composition according to the invention after application to the skin has in particular good cosmetic properties of softness or comfort, in particular is a soft and slippery composition on application.
  • the composition according to the invention minimizes the phenomenon of noodling on skin after topical application thereof.
  • the subject of the invention is also a cosmetic process for the care or makeup of keratin materials, in particular skin, e.g., face, comprising the topical application to the keratin materials of the composition according to the present invention.
  • the invention also relates to the cosmetic use of a previously defined for the care or makeup of keratin materials, particularly for the care of the skin.
  • the “keratin material” is the skin.
  • skin we intend all the body skin.
  • the keratin material is the face, or the neck, especially the face.
  • topical application it meant that the composition is applied or spread onto the surface of the keratin materials, such as at least one zone of the skin.
  • a numeric range is defined with a lower and an upper limits when needed, such as one or more lower limits and one or more upper limits are given to form a range optionally along with one ore more preferred ranges.
  • a given range can be defined by selecting a lower limit and an upper limit that define the boundaries of the given range. All ranges defined in this manner are inclusive and combinable, that is, any lower limit can be combined with any upper limit to form a range, as long as the lower and upper limits are provided to modify the same subject. For example, when ranges of 60-110 and 80-120 are listed for a specific subject, it is to be understood that ranges 60-120 and 80-110 are also contemplated and encompassed. Further, if the lower limits listed are 1 and 2 and the upper limits are listed as 3, 4 and 5, the following ranges are all predictable and within the scope of the present disclosure: 1-3, 1-4, 1-5, 2-3, 2-4 and 2-5.
  • composition according to the invention contains at least 0.50%by weight, or at least 0.80%by weight, of hyaluronic acid or a salt thereof relative to the total weight of the composition.
  • Hyaluronic acid is a non-sulfated linear glycosaminoglycan composed of repeating units of D-glucuronic acid and N-acetyl-D-glucosamine.
  • the hyaluronic acid salts may be chosen from alkali salts such as sodium and potassium salts or other salts, e.g., zinc salts, silver salts, and mixtures thereof.
  • the composition according to the invention comprises sodium hyaluronate.
  • a high molecular weight (HMW) hyaluronic acid derivative can be used, which has a weight average molecular weight of from 80,000 Daltons to 1,500,000 Daltons, or from 100,000 Daltons to 1,000,000 Daltons.
  • LMW hyaluronic acid or a salt thereof can also be used in the present invention.
  • LMW hyaluronic acid or a salt thereof means a hyaluronic acid or a salt thereof having a weight average molecular weight of less than or equal to 60,000 Daltons.
  • the LMW hyaluronic acid and/or a salt thereof of the composition of the invention has a weight average molecular weight of less than or equal to 60000 Daltons, preferably less than or equal to 50000 Daltons, for example from 10,000 Daltons to 60,000 Daltons, preferably 15,000 Daltons to 50,000 Daltons, more particularly 20,000 Daltons to 50,000 Daltons.
  • hyaluronic acid and/or a salt thereof is present in an amount greater than or equal to 1.0%by weight relative to the total weight of the composition.
  • the hyaluronic acid and/or a salt thereof is present in an amount greater than or equal to 1.0%and less than or equal to 5.0%by weight relative to the total weight of said composition, particularly in an amount greater than or equal to 1.0%and less than or equal to 2.0%by weight, more particularly in an amount greater than or equal to 1.0%and less than or equal to 1.5%by weight.
  • HMW HA may benefit moisturing skin by forming a water-protection film on top of the skin.
  • LMW HA often shows a trans-epidermis property, i.e., penetrating through the whole epidermis. Accordingly, it is advantageous to use a mixture of HMW and LMW hyaluronic acids.
  • the useful total amount can be any one satisfying the amount discussed for the “hyaluronic acid and/or a salt thereof” above.
  • those skilled in the art can determine according to the specific use the amount of the HMW HA and the LMW HA, respectively, e.g., each in an amount discussed for the “hyaluronic acid and/or a salt thereof” above.
  • HA has been modified for various purposes. Amongst others, it is surprisingly discovered and determined that the use of acetylated hyaluronic acid (AcHA) , in combination with the HA introduced above, can dramatically reduce the noodle phenomenon after application of a product comprising same.
  • AcHA acetylated hyaluronic acid
  • the acetylated hyaluronic acid in the present invention denotes to a derivative in which the hydroxyl groups of hyaluronic acid have been at least partially acetylated.
  • Acetylated hyaluronic acid can be manufactured by any method known to persons skilled in the art, e.g., referring to JPH 0853501; or is commercially available, e.g., under the name of Hymagic TM from Bloomage Biotechnology Corporation Limited.
  • the useful acetylated hyaluronic acid has an average molecular weight of is from 10,000 to 1,000,000 Daltons, preferably 20,000 to 50,000 Daltons, or preferably 30,000 to 50,000 Daltons.
  • the acetylated hyaluronic acid has an acetyl group substitution number is 2.5 to 4.0.
  • AcHA is used in combination with HA in a cosmetic product to inhibit the formation of noodles on skin.
  • AcHA can be used in combination with LMW HA, without use or a use in a minimum amount of HMW HA, so as to minimize or even avoid substantially the formation of noodle, with remaining substantially the moisturizing and/or skin-feeling brought by the conventional HMW HA.
  • the hyaluronic acid and/or a salt thereof is introduced into an aqueous phase in the composition.
  • hyaluronic acid and/or a salt thereof is generally introduced into the aqueous phase and is part of this aqueous phase.
  • the combination of the AcHA and HA according to the present invention is particularly useful in a cosmetic product comprising a high concentration of active agents, in particular those having high molecular weights, e.g., for the essence, especially for essence packaged as an ampoule product where the essence is generally highly concentrated.
  • the amount of acetylated hyaluronic acid contained in the composition of the present invention can be generally 0.01 to 2 wt%, and preferably 0.05 to 1 wt%, or preferably 0.1 to 0.5 wt%, based on the total weight of the composition.
  • AcHA for the combination of AcHA with HA, for example, there may be a weight ratio between AcHA and HA of 1: 20 to 1: 1, preferably 1: 10 to less than 1: 1, or preferably 1: 5 to 1: 2, or 1: 3 to 1: 2.
  • AcHA can be used in combination with HMW HA, LMW HA or a mixture of HMW and LMW HAs.
  • a solubilizer may also be added into the composition according to the present invention.
  • the solubilizing agent is chosen from polyoxyethylene ether and/or polyoxypropylene ether of C-C12, more preferably C1-C8, even more preferably C4 alcohols, polyalkylene glocols of castor oil which are optionally hydrogenated, or a mixture thereof; more preferably chosen from polyoxyethylene ether and/or polyoxypropylene ether of butyl alcohol, oxyethylene glycol of hydrogenated castor oils, or a mixture thereof; more preferably chosen from PPG-26-buteth-26, PEG-40 hydrogenated cator oil, PEG-60 hydrogenated castor oil, Polysorbate 20 or a mixture thereof.
  • the solubilizer can be used in an amount of 0.001 to 10%, preferably from 0.01 to 5%, more preferably from 0.1 to 1%, relatively to the total weight the composition.
  • Polysorbate 20 and PEG-60 hydrogenated castor oil may be mentioned as examples of solubilizers.
  • the composition may comprise a chelating agent.
  • chelating agents are defined and described in particular in the article "Chelating agents” Kirk Othmer Encyclopedia of Chemical Technology, Vol. 5 pp. 708-739, published in 2003.
  • a chelating agent are made to polyphosphates, aminocarboxylic acids, 1, 3-diketones, hydroxycarboxylic acids, polyamines, amino alcohols, heterocyclic aromatic bases, aminophenols, Schiff's bases, tetrapyrroles, sulfur compounds, synthetic macrocyclic compounds, polymers and phosphonic acids.
  • useful chelating agents can comprise elhylenediamine tetraacetic acid (EDTA) , aminotriacetic acid, diethylene triaminepentaacetic acid, and a salt thereof, e.g., N, N-bis (carboxymethyl) glutamic acid, disodium EDTA, tetrasodium EDTA, tetrasodium salt of N, N-bis (carboxymethyl) glutamic acid (glutamic acid diacetic acid, GLDA) ; hydroxyl carboxylic acids, e.g., citric acid, tartaric acid, glucuronic acid, succinic acid, ethylenediamine disuccinic acid (EDDS) , and a salt thereof; hydroxyl aminocarboxylic acids, e.g., hydroxyethylethylenediamine triacetic acid (HEDTA) , dihydroxyethylglycine (DEG) , and a salt thereof; poly(ethylenediamine t
  • these agents are particularly useful for reducing the electrostatic bonding associated with substantial presence of water in the intermediate makeup and/or care composition according to the invention.
  • a sequestrant or of a complexing agent for instance disodium/tetrasodium EDTA, makes it possible to complex the free ions, and more specifically the cations of the type Ca 2+ (mineral fillers) especially present in the nacres and fillers. Consequently, when EDTA complexes these ions, the ionic strength of the water decreases.
  • this agent is chosen from aminocarboxylic acids, and is preferably EDTA or a derivative thereof.
  • a useful chelating agent is chosen from sodium citrate, disodium EDTA, tetrasodium EDTA, tetrasodium GLDA, trisodium EDDS, sodium phytate, potassium phytate, and mixtures thereof.
  • the chelating agent can be present in the composition from 0.001%to 1%by weight, preferably from 0.01%to 0.5%by weight, or preferably from 0.05%to 0.1%by weight, relative to the total weight of the composition according to the present invention.
  • composition according to the invention comprises an aqueous phase.
  • the amount of aqueous phase may range from 50%to 100%by weight, or from 50%to 98%by weight, relative to the total weight of the composition, or in an amount ranging from 70%to 97%by weight, or in an amount ranging from 85%to 97%by weight relative to the total weight of the composition.
  • the aqueous phase represents at least 60%of the total weight of the composition.
  • the aqueous phase may comprise water and hydrophilic adjuvants (solvents, actives and additives) .
  • the water preferably represents at least 30%by weight and better still at least 40%by weight of the total weight of the composition.
  • the composition according to the invention comprises water in a content ranging from 40%to 99%by weight relative to the total weight of the composition, preferably ranging from 45%to 95%by weight. and preferably ranging from 50%to 90%by weight.
  • the water used may be sterile demineralized water and/or a floral water such as rose water, cornflower water, camomile water or lime blossom water, and/or a natural spring water or mineral water, for instance: Vittel water, Vichy basin water, Uriage water, Roche Posay water, Bourboule water, Enghien-les-Bains water, Saint Gervais-les-Bains water, Néris-les-Bains water, Allevar-les-Bains water, Digne water, Maizines water, Neyrac-les-Bains water, Lons-le-Saunier water, Eaux Bonnes water, Rochefort water, Saint Christau water, Fumades water, Tercis-les-bains water and Avene water.
  • the aqueous phase may also comprise reconstituted spring water, i.e. a water containing trace elements such as zinc, copper, magnesium, etc., reconstituting the characteristics of a spring water.
  • the composition may further comprise a water-miscible polyol at ambient temperature (25°C. ) , chosen in particular from polyols having in particular from 2 to 20 carbon atoms, preferably having from 2 to 10 carbon atoms, and preferentially having from 2 to 6 carbon atoms, such as glycerine, propylene glycol, butylene glycol, pentylene glycol, hexylene glycol, dipropylene glycol, diethylene glycol;
  • a water-miscible polyol at ambient temperature (25°C. ) chosen in particular from polyols having in particular from 2 to 20 carbon atoms, preferably having from 2 to 10 carbon atoms, and preferentially having from 2 to 6 carbon atoms, such as glycerine, propylene glycol, butylene glycol, pentylene glycol, hexylene glycol, dipropylene glycol, diethylene glycol;
  • glycol ethers having in particular from 3 to 16 carbon atoms
  • the water-miscible polyol at room temperature is present in a content ranging from 1%to 25%by weight, relative to the total weight of the composition, and preferably ranging from 3%to 20%by weight.
  • composition according to the invention may comprise a monoalcohol having from 2 to 6 carbon atoms such as ethanol, isopropanol, especially in a content ranging from 0.01%to 20%by weight relative to the weight. total of the invention, and preferably in a content ranging from 1%to 15%by weight.
  • a monoalcohol having from 2 to 6 carbon atoms such as ethanol, isopropanol, especially in a content ranging from 0.01%to 20%by weight relative to the weight. total of the invention, and preferably in a content ranging from 1%to 15%by weight.
  • composition according to the present invention may comprise at least on preservative.
  • the preservative useful according to the present invention can be any one conventionally used for cosmetics, in particular for masks.
  • preservatives can be used according to the present invention comprise methylchloroisothiazolinone, imidazolidinyl urea, derivatives of hydantoin, such as DMDMH, parahydroxybenzoate ester, phenoxyethanol, benzyl alcohol, chlorphenesin, benzoic acid and a salt thereof, such as sodium benzoate, potassium sorbate, hydroxyacetophenone, amino-acid based preservative, sorbitan octanate, glycerol caprylate and the like.
  • hydantoin such as DMDMH, parahydroxybenzoate ester, phenoxyethanol, benzyl alcohol, chlorphenesin, benzoic acid and a salt thereof, such as sodium benzoate, potassium sorbate, hydroxyacetophenone, amino-acid based preservative, sorbitan octanate, glycerol caprylate and the like.
  • the content of the preservative is 0.01-5%, preferably 0.01%-3%, preferably 0.01%-1%, based on the weight of the composition.
  • composition according to the invention can comprise at least one polysaccharide, which is preferably of biotechnological origin.
  • these polysaccharides may, where appropriate, be chemically modified to promote its hydrophilic valency, as is the case for cellulose derivatives, in particular hydroxyalkylcelluloses (e.g.: hydroxyethylcellulose) .
  • polysaccharides that may be used according to the invention, mention may be made especially of:
  • algal extracts such as alginates, carrageenans and agar-agar, and mixtures thereof.
  • carrageenans examples include Satiagum and from the company Degussa; an alginate that may be mentioned is the sodium alginate sold under the name by the company ISP;
  • gums such as xanthan gum, gellan gum, guar gum and nonionic derivatives thereof (hydroxypropyl guar) , gum arabic, konjac gum or mannan gum, gum tragacanth, ghatti gum, karaya gum, locust bean gum, agar gum, scleroglucan gums and mixtures thereof; examples that may be mentioned include the xanthan gum sold under the name CG-T by the company CP Kelco, gellan gum sold under the name CG LA by the company CP Kelco, guar gum sold under the name Jaguar HP by the company Rhodia; mannan gum and konjac (1%glucomannan) sold by the company GfN;
  • xanthan gum such as xanthan gum, gellan gum, guar gum and nonionic derivatives thereof (hydroxypropyl guar) , gum arabic, konjac gum or mannan gum, gum tragacanth, ghatti gum, karaya gum,
  • starches which are preferably modified, such as those derived, for example, from cereals such as wheat, corn or rice, from legumes such as white lentil, from tubers such as potato or cassava, tapioca starches; dextrins, such as corn dextrins; Amidon de from the company Roquette; potato feculent modified with 2-chloroethylaminodipropionic acid neutralized with sodium hydroxide, sold under the name Structure by the company National Starch; native tapioca starch powder sold under the name Tapioca by the company National Starch;
  • dextrins such as dextrin extracted from corn under the name from the company National Starch;
  • celluloses and derivatives thereof in particular alkyl or hydroxyalkylcelluloses; mention may be made especially of methylcelluloses, hydroxyalkylcelluloses, ethylhydroxyethylcelluloses and carboxymethylcelluloses. Examples that may be mentioned include the hydroxyethylcellulose sold under the name Natrosol TM 250 HHR PC by the company Ashland, or under the name Cellosize TM QP 4400 H by the company Amerchol (Dow Chemical) , cetylhydroxyethylcelluloses sold under the names Polysurf and Natrosol Plus from Aqualon;
  • polyholosides comprising at least two saccharides, preferably of natural origin, and especially chosen from:
  • ribose arabinose, xylose or apiose, for example,
  • glucose, fucose, mannose or galactose for example
  • - deoxyoses such as rhamnose, digitoxose, cymarose or oleandrose,
  • - saccharide derivatives such as uronic acids, for instance mannuronic acid, guluronic acid, galacturonic acid or glycuronic acid, or itols, for instance mannitol or sorbitol.
  • polyholosides comprising fucose, galactose and galacturonic acid units, and for example a linear sequence of ⁇ -L-fucose, ⁇ -D-galactose and galacturonic acid, for instance the biosaccharide gum-1 sold under the trade name 1000 PP or 1.5P by the company Solabia,
  • anionic polysaccharides in particular of biotechnological origin, such as anionic polysaccharide bearing as repeating unit a tetrasaccharide composed of L-fucose, D-glucose and glucuronic acid, such as the product bearing the INCI name Biosaccharide Gum-4 sold under the reference Glycofilm 1.5P by the company Solabia,
  • polysaccharide of the present invention is chosen from:
  • - gums such as xanthan gum, or gellan gum
  • the present invention comprises from 0.0001%to 5%by weight, preferably from 0.001%to 2%by weight, more preferably from 0.005%to 1%by weight of the polysaccharides, relative to the total weight of the composition.
  • incorporation of such a polysaccharide can, in combination with the AcHA added, benefit thickening the composition, and/or bringing a skin feeling similar to that brought by the HMW HA.
  • the dosage forms dedicated to topical application may also contain adjuvants which are customary in the cosmetic, pharmaceutical and/or dermatological field, such as hydrophilic or lipophilic gelling agents, emulsifiers, hydrophilic or lipophilic active agents, preservatives, antioxidants, solvents, fragrances, fillers, filters, pH adjusters, odor absorbers and dyes.
  • adjuvants which are customary in the cosmetic, pharmaceutical and/or dermatological field, such as hydrophilic or lipophilic gelling agents, emulsifiers, hydrophilic or lipophilic active agents, preservatives, antioxidants, solvents, fragrances, fillers, filters, pH adjusters, odor absorbers and dyes.
  • the amounts of these various adjuvants are those conventionally used in the field under consideration, and for example from 0.01 to 20%of the total weight of the composition. These adjuvants, depending on their nature, can be introduced into the aqueous phase.
  • composition according to the invention is preferably in the form of an aqueous gel.
  • the composition comprises hydrophilic gelling agents.
  • hydrophilic gelling agents mention may be made of carboxyvinyl polymers such as (Carbomers) and Pemulen such as Pemulen and Pemulen (acrylate/C10-C30-alkylacrylate copolymer) ; polyacrylamides, for example crosslinked copolymers sold under the names Sepigel (CTFA name: polyacrylamide/C13-14 isoparaffin/ Laureth 7) or Simulgel 600 (CTFA name: acrylamide /sodium acryloyldimethyltaurate copolymer/isohexadecane/polysorbate 80) by the company Seppic; polymers and copolymers of 2-acrylamido-2-methylpropanesulphonic acid, optionally crosslinked and/or neutralized, such as the polyacid 2-acrylamido-2-methylpropanesulphonic sold by Hoechst under the trade name "Hostacerin " (CTFA name: ammonium polyacryloyldimethyl taurate or SIMULGEL marketed by the
  • the composition according to the invention comprises at least one optionally crosslinked and/or neutralized 2-acrylamido-2-methylpropanesulfonic acid polymer and copolymer, such as polyacrylic acid 2-acrylamido-2-methylpropanesulfonic acid and or at least one carboxyvinyl polymer such as carbomers.
  • the composition according to the invention comprises the polyacid 2-acrylamido-2-methylpropanesulphonic sold by the company Hoechst under the trade name "Hostacerin " (CTFA name: ammonium polyacryloyldimethyltaurate) and at least one carboxyvinyl polymer such as the (Carbomers) .
  • the hydrophilic gelling agents may be present in the composition according to the invention in particular in an amount of 0.1%to 3%by weight relative to the total weight of the composition, more particularly from 0.5%to 2%by weight.
  • composition may optionally contain one or more fillers or nacres.
  • the composition of the invention may contain, for example, mineral particles such as clays, silicas, metal oxides such as titanium dioxide or zinc oxide, mica, and/or organic fillers such as that polyamide particles (nylon) and in particular those sold under the names ORGASOL by the company Atochem; polyethylene powders; microspheres based on acrylic copolymers, such as those made of ethylene glycol dimethacrylate/lauryl methacrylate copolymer sold by Dow Corning under the name Polytrap; polymethyl methacrylate microspheres, sold under the name MICROSPHERE M-100 by the company Matsumoto or under the name COVABEAD LH85 by the company Wackherr; ethylene-acrylate copolymer powders, such as those sold under the name FLOBEADS by Sumitomo Seika Chemicals; expanded powders such as hollow microspheres and especially microspheres formed of a terpolymer of vinylidene chloride, acrylonitrile and methacrylate and sold under the
  • the amount of filler (s) may range, for example, from 0.01%to 5%by weight, and preferably from 0.1%to 3%by weight relative to the total weight of the composition.
  • composition according to the invention may advantageously be implemented with additional active ingredients, in particular cosmetic, dermatological or pharmaceutical.
  • an additional active ingredient is an active ingredient other than hyaluronic acid or a salt thereof present in the composition and the other active agents specifically defined above.
  • such additional active ingredient, cosmetic, dermatological or pharmaceutical may be intended to exert a cosmetic, care or hygiene effect on keratin materials such as skin, hair, eyelashes, hair and/or leather hairy, and preferentially on the skin.
  • composition according to the invention may further comprise an active agent having an anti-aging activity, or a hydration activity.
  • These additional active agents are generally present in the composition in a content ranging from 0.0001%to 20%by weight and preferably from 0.01%to 10%by weight relative to the total weight of said composition.
  • compositions according to the invention can be manufactured by known processes, generally used in the cosmetic or dermatological field.
  • composition according to the invention finds its application in a large number of cosmetic treatments for keratin materials such as the skin, the scalp or the mucous membranes (lips) , and more particularly the skin, in particular in the care of the skin, to nourish the skin, prevent the loss of transepidermal water and/or protect the skin.
  • compositions according to the invention may in particular be used for the care of the face, and more preferably for the hydration of the skin, and/or to prevent and/or reduce existing wrinkles.
  • the subject of the invention is also a cosmetic process for the care or makeup of keratin materials, comprising the application to the keratin materials of a composition as defined above.
  • the subject of the invention is also a non-therapeutic cosmetic process for the care or makeup of keratin materials, comprising the application to the keratin materials of a composition as defined above.
  • the subject of the invention is a cosmetic process for treating dry skin, comprising the application to the skin of a composition as defined above.
  • the subject of the invention is a cosmetic process for treating aged skin, comprising the application to the skin of a composition as defined above.
  • the invention also relates to the cosmetic use of a composition as defined above, for the care or makeup of keratin materials.
  • the subject of the invention is the cosmetic use of a composition as defined above, for the care of the skin, preferably for nourishing the skin, preventing the loss of transepidermal water and/or protecting the skin.
  • the composition is suitable for the treatment of dry skin.
  • the composition is suitable for the treatment of aged skin.
  • compositions according to the invention are given by way of illustration and without limitation.
  • the compounds are indicated in chemical name or INCI name.
  • compositions/formulas described below are expressed in%by weight, relative to the total weight of each composition/formula, unless otherwise indicated.
  • the viscosity was also measured at 25°C by means of the Rheomat RM 180 apparatus, marketed by the company LAMY, equipped with a mobile MS-R3, rotating at 200 rpm. The viscosity values were measured after 10 minutes of shear.
  • a centrifugation of the composition was also carried out for each composition, at 24 hours, using an SV8 centrifuge sold by Firlabo company for 1 hour at a speed of 900 g.
  • composition according to the invention comprising a high level of hyaluronic acid and/or a salt thereof 1%is also stable over time, especially at 2 months, at room temperature and at 45°C.
  • a second test was performed on a panel of 6 women according to a standard application operated by a beautician of different compositions.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Dermatology (AREA)
  • Gerontology & Geriatric Medicine (AREA)
  • Cosmetics (AREA)

Abstract

L'invention concerne une composition comprenant, dans une phase aqueuse, (i) une combinaison à la fois d'acide hyaluronique acétylé et/ou d'un sel de celui-ci avec de l'acide hyaluronique et/ou un sel de celui-ci; et (ii) un agent de solubilisation. L'invention concerne également un procédé cosmétique comprenant l'application sur les matières kératiniques de ladite composition pour le soin ou le maquillage des matières kératiniques.
PCT/CN2019/112713 2019-10-23 2019-10-23 Composition pour le soin de la peau Ceased WO2021077320A1 (fr)

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PCT/CN2019/112713 WO2021077320A1 (fr) 2019-10-23 2019-10-23 Composition pour le soin de la peau
CN201980101602.7A CN114585348A (zh) 2019-10-23 2019-10-23 用于护理皮肤的组合物

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3128876A1 (fr) 2021-11-10 2023-05-12 L'oreal Composition pour le soin et/ou le maquilage de matières kératineuses

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JP2013181001A (ja) * 2012-03-02 2013-09-12 Q P Corp ヒアルロン酸組成物、およびこれを含む皮膚外用剤
CN106109296A (zh) * 2016-06-30 2016-11-16 彭燕辉 一种保湿精华水及其制备方法
CN106913495A (zh) * 2015-12-24 2017-07-04 上海珍萃生物科技有限公司 润养护肤精露及其制备方法
CN109010243A (zh) * 2018-08-28 2018-12-18 上海优康化妆品有限公司 一种保湿精华液
CN109730953A (zh) * 2019-01-17 2019-05-10 广州丽彦妆生物科技有限公司 一种透明质酸(玻尿酸)原液及其制备方法
CN110051587A (zh) * 2019-05-04 2019-07-26 广州市爱百伊生物技术有限公司 一种含多种玻尿酸的抗衰老组合物的制备方法和应用

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Publication number Priority date Publication date Assignee Title
JP2013181001A (ja) * 2012-03-02 2013-09-12 Q P Corp ヒアルロン酸組成物、およびこれを含む皮膚外用剤
CN106913495A (zh) * 2015-12-24 2017-07-04 上海珍萃生物科技有限公司 润养护肤精露及其制备方法
CN106109296A (zh) * 2016-06-30 2016-11-16 彭燕辉 一种保湿精华水及其制备方法
CN109010243A (zh) * 2018-08-28 2018-12-18 上海优康化妆品有限公司 一种保湿精华液
CN109730953A (zh) * 2019-01-17 2019-05-10 广州丽彦妆生物科技有限公司 一种透明质酸(玻尿酸)原液及其制备方法
CN110051587A (zh) * 2019-05-04 2019-07-26 广州市爱百伊生物技术有限公司 一种含多种玻尿酸的抗衰老组合物的制备方法和应用

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3128876A1 (fr) 2021-11-10 2023-05-12 L'oreal Composition pour le soin et/ou le maquilage de matières kératineuses

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