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WO2023120180A1 - Produit cosmétique émulsifié de type huile dans l'eau - Google Patents

Produit cosmétique émulsifié de type huile dans l'eau Download PDF

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Publication number
WO2023120180A1
WO2023120180A1 PCT/JP2022/045021 JP2022045021W WO2023120180A1 WO 2023120180 A1 WO2023120180 A1 WO 2023120180A1 JP 2022045021 W JP2022045021 W JP 2022045021W WO 2023120180 A1 WO2023120180 A1 WO 2023120180A1
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WO
WIPO (PCT)
Prior art keywords
formula
carbon atoms
oil
cosmetic
group
Prior art date
Application number
PCT/JP2022/045021
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English (en)
Japanese (ja)
Inventor
将英 佐野
育浩 鈴木
Original Assignee
株式会社 資生堂
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 株式会社 資生堂 filed Critical 株式会社 資生堂
Priority to JP2023569277A priority Critical patent/JPWO2023120180A1/ja
Priority to CN202280076891.1A priority patent/CN118265517A/zh
Publication of WO2023120180A1 publication Critical patent/WO2023120180A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/06—Emulsions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof

Definitions

  • the present invention relates to an oil-in-water emulsified cosmetic.
  • oil-in-water emulsified cosmetics it is common to stably mix an aqueous component and an oily component by the emulsifying action of a surfactant or the like. Since the oil is surrounded by the emulsifier and the outer phase is a continuous layer of the aqueous phase, it is said to have an excellent feeling of freshness when used.
  • an oil-in-water emulsified cosmetic using core-corona type particles as a dispersant has been proposed (for example, Patent Document 1). With regard to such cosmetics, there is room for further improvement in the user's feeling of use, especially in terms of freshness.
  • cyclic carboxamide derivatives are known to have anti-wrinkle and anti-pigmentation effects, and have been proposed to be added to cosmetics (for example, Patent Document 2).
  • R 1 is a hydroxyalkyl group having 1 to 3 carbon atoms
  • component (A) is 1-(2-hydroxyethyl)-2-imidazolidinone.
  • the polymerization solvent is a water-alcohol mixed solvent, and said alcohol is selected from the group consisting of ethanol, dipropylene glycol, 1,3-butylene glycol, and isoprene glycol; and (iv) said water-alcohol.
  • R 11 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • R 12 is a hydrogen atom or a methyl group
  • nb is a number from 8 to 200
  • R 13 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • R 14 is an alkyl group having 1 to 12 carbon atoms
  • R 15 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • R 16 and R 17 are each independently a hydrogen atom or an alkyl group having 1 to 18 carbon atoms
  • the cosmetic according to [5], wherein the radical polymerization conditions further include the following conditions (v):
  • the radical polymerization is carried out in the presence of a crosslinkable monomer, and the charge amount of the crosslinkable monomer is 1.5 mass % or less with respect to the charge amount of the hydrophobic monomer.
  • an oil-in-water emulsified cosmetic with an excellent feeling of use.
  • freshness can be imparted during application.
  • the present invention comprises (A) a cyclic carboxamide derivative having a specific structure or a salt thereof, (B) core-corona type particles, (C) oil, and (D) water, and (B) core-corona type
  • the particles are particles obtained by radical polymerization of a polyethylene oxide macromonomer and a hydrophobic monomer selected from the group consisting of acrylic acid/methacrylic acid derivative monomers and acrylamide/methacrylamide derivative monomers. It relates to cosmetics (hereinafter sometimes referred to as cosmetics).
  • the cosmetic according to the present invention includes (A) a cyclic carboxamide derivative represented by formula (a) or a salt thereof (hereinafter sometimes referred to as component (A). Other components) is the same.).
  • component (A) a cyclic carboxamide derivative represented by formula (a) or a salt thereof (hereinafter sometimes referred to as component (A).
  • component (A) is the same.
  • R 1 is a hydrocarbon group having 1 to 6 carbon atoms which may be substituted with a hydroxyl group, or a hydrogen atom
  • X is —CH 2 — or —N(R 2 )—
  • R 2 is a hydrocarbon group having 1 to 6 carbon atoms which may be substituted with a hydroxyl group, or a hydrogen atom
  • na is an integer of 1-3.
  • the above hydrocarbon group is not particularly limited, and may be, for example, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a cycloalkylalkyl group, a haloalkyl group, an alkoxyalkyl group, or an alkoxycarbonylalkyl group, preferably is an alkyl group.
  • R 1 is a hydroxyalkyl group having 1 to 3 carbon atoms
  • X is —CH 2 — or —NH—
  • na is 1.
  • Specific examples of the cyclic carboxamide derivative represented by formula (a) include the following.
  • Component (A) is most preferably 1-(2-hydroxyethyl)-2-imidazolidinone.
  • the (A) component may be a salt of the cyclic carboxamide derivative represented by formula (a).
  • the type of salt is not particularly limited as long as it is a pharmacologically acceptable salt, and may be an inorganic salt or an organic salt.
  • inorganic salts include hydrochlorides, sulfates, phosphates, hydrobromides, sodium salts, potassium salts, magnesium salts, calcium salts, magnesium salts, ammonium salts and the like.
  • organic salts include acetates, lactates, maleates, fumarates, tartrates, methanesulfonates, p-toluenesulfonates, triethanolamine salts, amino acid salts and the like.
  • component (A) component can be blended one or two or more.
  • the blending amount of component (A) is preferably 0.05 to 5% by mass, more preferably 0.3 to 3.5% by mass, and still more preferably 0.5% by mass, relative to the total amount of the cosmetic. ⁇ 2% by mass.
  • the cosmetic according to the present invention comprises (B) core-corona particles.
  • the core-corona type particles suitably used in the present invention are particles having a core portion made of a relatively highly hydrophobic polymer and a corona portion stabilized with a polyethylene oxide chain, which is a nonionic polymer. be. Due to the polyethylene oxide chain in the corona portion, it has excellent dispersion stability in water and acid and salt resistance.
  • the particle size of the core-corona type particles is preferably substantially constant, and the average particle size is preferably 50 to 400 nm, more preferably 100 to 300 nm.
  • the average particle size can be optically measured by a dynamic light scattering method or the like, and for example, Datasizer manufactured by Malvern can be used.
  • the dispersity of the core-corona type particles is preferably less than 0.2, more preferably less than 0.05.
  • Component (B) is particles obtained by radical polymerization of a polyethylene oxide macromonomer and a hydrophobic monomer selected from the group consisting of acrylic acid/methacrylic acid derivative monomers and acrylamide/methacrylamide derivative monomers.
  • radical polymerization is carried out under the following conditions (i) to (iv).
  • Condition (i) is that "the molar ratio represented by the charged molar amount of the polyethylene oxide macromonomer and the charged molar amount of the hydrophobic monomer is 1:10 to 1:250".
  • the molar ratio of charged molar amount of polyethylene oxide macromonomer to charged molar amount of hydrophobic monomer is preferably 1:10 to 1:200, more preferably 1:25 to 1:100. This range is preferable from the viewpoint of formation of core-corona type particles and dispersion stabilization.
  • Condition (ii) is "the polyethylene oxide macromonomer is represented by formula (b1), the acrylic acid/methacrylic acid derivative monomer is represented by formula (b2), and the acrylamide/methacrylamide derivative monomer is represented by formula (b3). Is Rukoto.
  • the polyethylene oxide macromonomer is preferably represented by formula (b1). (In the formula, R 11 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, R 12 is a hydrogen atom or a methyl group, and nb is a number from 8 to 200)
  • polyethylene oxide macromonomer for example, a commercially available product from Aldrich or a commercial product such as BLEMMER (registered trademark) from NOF CORPORATION can be used.
  • BLEMMER registered trademark
  • Acrylic acid/methacrylic acid derivative monomers are preferably represented by formula (b2).
  • R 13 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • R 14 is an alkyl group having 1 to 12 carbon atoms
  • Acrylic acid/methacrylic acid derivative monomers include, for example, methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, pentyl acrylate, hexyl acrylate, heptyl acrylate, octyl acrylate, decyl acrylate, acrylic dodecyl acid, methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, pentyl methacrylate, hexyl methacrylate, heptyl methacrylate, octyl methacrylate, decyl methacrylate, dodecyl methacrylate and the like.
  • methyl methacrylate (methyl methacrylate), butyl methacrylate (butyl methacrylate), and octyl methacrylate are particularly preferred.
  • Commercially available products from, for example, Aldrich Co. or Tokyo Kasei Co., Ltd. can also be used as these.
  • the acrylamide/methacrylamide derivative monomer is preferably represented by formula (b3).
  • R 15 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • R 16 and R 17 are each independently a hydrogen atom or an alkyl group having 1 to 18 carbon atoms
  • Acrylamide/methacrylamide derivative monomers include, for example, t-butylacrylamide, N,N-dimethylacrylamide, N-[3-(dimethylamino)propyl]acrylamide, t-butylmethacrylamide, octylacrylamide, octylmethacrylamide, octadecyl acrylamide and the like.
  • t-butylacrylamide, N,N-dimethylacrylamide, and N-[3-(dimethylamino)propyl]acrylamide are particularly preferred. These are available as commercial products or industrial raw materials.
  • the hydrophobic monomer used in the present invention is one or more selected from the group consisting of acrylic acid/methacrylic acid derivative monomers and acrylamide/methacrylamide derivative monomers. , methyl methacrylate and butyl methacrylate, or four of methyl methacrylate, t-butylacrylamide, N,N-dimethylacrylamide and N-[3-(dimethylamino)propyl]acrylamide.
  • methoxypolyethylene glycol monomethacrylate as macromonomer.
  • Condition (iii) is that "the polymerization solvent is a water-alcohol mixed solvent, and the alcohol is selected from the group consisting of ethanol, dipropylene glycol, 1,3-butylene glycol, and isoprene glycol".
  • the water:alcohol ratio is 80-20:20-80.
  • the dissolving ability of the hydrophobic monomer does not become too low, which is preferable from the viewpoint of the generation of microparticles. It is preferable because more microparticles are obtained.
  • Radical polymerization can be carried out in the presence or absence of crosslinkable monomers.
  • the radical polymerization conditions further include the following conditions (v).
  • the condition (v) is that "radical polymerization is carried out in the presence of a crosslinkable monomer, and the amount of the crosslinkable monomer charged is 1.5% by mass or less with respect to the amount of the hydrophobic monomer charged.”
  • the cross-linking monomer is hydrophobic.
  • ethylene glycol dimethacrylate hereinafter sometimes abbreviated as EGDMA
  • Blemmer registered trademark
  • PDE-50 sold by NOF, and the like
  • the crosslinkable monomer is represented by formula (b4). (In the formula, R 18 and R 19 are each independently an alkyl group having 1 to 3 carbon atoms, mb is a number from 1 to 3)
  • the (B) component is preferably an (acrylamide/DMAPA acrylate/methoxy PEG methacrylate) copolymer or an (acrylates/methoxy PEG-90 methacrylate) crosspolymer.
  • the component (B) can be blended either alone or in combination of two or more.
  • the blending amount of component (B) is preferably 0.05 to 3% by mass, more preferably 0.1 to 1.5% by mass, based on the total amount of the cosmetic.
  • composition (C) Oil The cosmetic according to the present invention comprises (C) oil.
  • Component (C) includes, for example, ester oils, silicone oils, hydrocarbon oils, higher fatty acids, higher alcohols, liquid oils, solid oils, semi-solid oils and the like, preferably hydrocarbon oils, silicone oils and ester oils. selected from the group consisting of oils;
  • ester oils include octyl octanoate, nonyl nonanoate, cetyl octanoate, isopropyl myristate, octyldodecyl myristate, isopropyl palmitate, ethylhexyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, and oleic acid.
  • silicone oils include linear polysiloxanes (e.g., dimethicone, diphenylsiloxyphenyl trimethicone, diphenylpolysiloxane, etc.), cyclic polysiloxanes (e.g., octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, siloxane, etc.), silicone resins that form a three-dimensional network structure, silicone rubber, various modified polysiloxanes (amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, fluorine-modified polysiloxane, etc.), acrylic silicones etc., preferably chain polysiloxane.
  • linear polysiloxanes e.g., dimethicone, diphenylsiloxyphenyl trimethicone, diphen
  • hydrocarbon oils examples include isododecane, isohexadecane, isoparaffin, mineral oil (liquid paraffin), ozokerite, squalane, pristane, paraffin, ceresin, squalene, petrolatum, microcrystalline wax, and hydrogenated polydecene.
  • 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 (eg, lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.), branched-chain alcohols (eg, lanolin alcohol, cholesterol, phytosterol, hexyldodecanol, isostearyl alcohol, octyldodecanol, etc.).
  • straight-chain alcohols eg, lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.
  • branched-chain alcohols eg, lanolin alcohol, cholesterol, phytosterol, hexyldodecanol, isostearyl alcohol, octyldodecanol, etc.
  • Liquid oils include, for example, avocado oil, camellia oil, macadamia nut oil, corn oil, olive oil, rapeseed oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, linseed oil, safflower oil, cottonseed oil, and eno oil. , soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, sinagiri oil, Japanese pear oil, jojoba oil, germ oil, triglycerin and the like.
  • solid oils include cacao butter, coconut oil, hydrogenated coconut oil, palm oil, palm kernel oil, hydrogenated palm oil, Japanese wax kernel oil, hydrogenated oil, Japanese wax, and hydrogenated castor oil.
  • Semi-solid oils include, for example, shea butter, partially hydrogenated coconut oil, partially hydrogenated jojoba oil, and the like.
  • component (C) component can be blended one or two or more.
  • the blending amount of component (C) is preferably 0.5 to 30% by mass, more preferably 1 to 15% by mass, based on the total amount of the cosmetic.
  • the cosmetic according to the present invention contains (D) 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 amount of water to be blended is preferably 30-95% by mass, more preferably 60-90% by mass, based on the total amount of the cosmetic composition according to the present invention.
  • the cosmetic according to the present invention can further contain a surfactant.
  • Surfactants include amphoteric surfactants, cationic surfactants, nonionic surfactants, and anionic surfactants, preferably nonionic surfactants.
  • the blending amount of the surfactant is preferably 1% by mass or less, more preferably 0.5% by mass or less, and even more preferably 0% by mass, relative to the total amount of the cosmetic. 0.2% by mass or less, particularly preferably 0.1% by mass or less. Not containing a surfactant (0% by mass) is also a preferred embodiment of the present invention.
  • the cosmetics according to the present invention can contain optional ingredients that are usually used in cosmetics and pharmaceuticals.
  • Optional ingredients include other ingredients commonly used in cosmetics, such as lower alcohols, humectants, thickeners, sequestering agents, neutralizers, pH adjusters, antioxidants, preservatives, and drugs. As long as it is possible and the effects of the present invention are exhibited, one or more of them can be blended.
  • lower alcohols examples include ethanol, 1-propanol, 2-propanol, isobutyl alcohol, t-butyl alcohol and the like.
  • moisturizing agents examples include polyethylene glycol, propylene glycol, glycerin, 1,3-butylene glycol (BG), erythritol, xylitol, sorbitol, maltitol, chondroitin sulfate, hyaluronic acid, mucoitin sulfate, caronin acid, atelocollagen, cholesteryl- 12-hydroxystearate, sodium lactate, bile salts, dl-pyrrolidone carboxylate, short-chain soluble collagen, rose rose extract, yarrow extract, melilot extract and the like.
  • BG 1,3-butylene glycol
  • Thickeners include, for example, gum arabic, carrageenan, karaya gum, tragacanth gum, carob gum, quince seed (quince), casein, dextrin, gelatin, sodium pectate, sodium araginate, methylcellulose, ethylcellulose, CMC, hydroxyethylcellulose, hydroxypropyl Cellulose, PVA, PVM, PVP, sodium polyacrylate, carboxyvinyl polymer (carbomer), (dimethylacrylamide/acryloyldimethyltaurate Na) crosspolymer, (acryloyldimethyltaurate ammonium/VP) copolymer, (acryloyldimethyltaurate ammonium methacrylate) Henneth-25) Crosspolymer, (Na acrylate/Na acryloyldimethyltaurate) copolymer, locust bean gum, guar gum, tamarind gum, dialkyldimethylammonium cellulose sulfate
  • sequestering agents include 1-hydroxyethane-1,1-diphosphonic acid, tetrasodium 1-hydroxyethane-1,1-diphosphonic acid, disodium edetate (EDTA-2Na), and trisodium edetate.
  • EDTA-2Na disodium edetate
  • trisodium edetate tetrasodium edetate, sodium citrate, sodium polyphosphate, sodium metaphosphate, gluconic acid, phosphoric acid, citric acid, succinic acid, edetic acid, trisodium ethylenediaminehydroxyethyl triacetate, and the like.
  • neutralizing agents examples include 2-amino-2-methyl-1-propanol, 2-amino-2-methyl-1,3-propanediol, potassium hydroxide, sodium hydroxide, triethanolamine, sodium carbonate, and the like. are mentioned.
  • pH adjusters include buffers such as lactic acid-sodium lactate, citric acid-sodium citrate, and succinic acid-sodium succinate.
  • antioxidants include dibutylhydroxytoluene, butylhydroxyanisole, sodium pyrosulfite, and gallic acid esters.
  • antiseptics include paraoxybenzoic acid esters such as methylparaben, ethylparaben, and butylparaben, benzoic acid, salicylic acid, sorbic acid, parachlorometacresol, hexachlorophene, benzalkonium chloride, chlorhexidine chloride, and trichlorocarbanilide. , a photosensitive element, phenoxyethanol, and the like.
  • drugs include ascorbic acid (vitamin C), tranexamic acid, kojic acid, ellagic acid, arbutin, alkoxysalicylic acid, glycyrrhizic acid, tocopherol, retinol, and salts or derivatives thereof (e.g., sodium L-ascorbate, L -ascorbic acid ester magnesium salt, L-ascorbic acid glucoside, 2-O-ethyl-L-ascorbic acid, 3-O-ethyl-L-ascorbic acid, 4-methoxysalicylic acid sodium salt, 4-methoxysalicylic acid potassium salt, glycyrrhizin dipotassium acid, stearyl glycyrrhizinate, tocopherol acetate, retinol acetate, retinol palmitate, etc.), nicotinic acid or its derivatives (e.g.
  • nicotinamide caffeine, tannins, verapamil and its derivatives, licorice extract, glabridin, fire Hot water extract of thorn fruit, various crude drugs, hydrolyzed silk, hydrolyzed conchiolin, tea extract, tormentilla root extract, Angelica keiskei leaf/stem extract, aloe vera leaf extract, cherry leaf extract, angelica root extract, shiikuwasha pericarp extract, iris root extract, thorny rhinoceros / hijirimen / honey kelp / blue laver / wakame seaweed extract, cattail extract, hikiokoshi leaf / stem extract, camellia seed extract, honey kelp / wakame extract, honeysuckle root extract, Dutch mustard leaf / stem extract, cassia bark extract, rose Marie leaf oil, lavender oil, glutamic acid, trimethylglycine, chlorphenesin, menthoxypropanediol and the like.
  • UV absorbers can be added as appropriate.
  • the method for producing the cosmetic according to the present invention is not particularly limited, and it can be produced according to a conventional method.
  • Cosmetics according to the present invention include, for example, skin care cosmetics (e.g. lotions, milky lotions, creams, serums, packs, masks, etc.), makeup cosmetics (e.g., foundations, makeup bases, etc.), skin cleansers (e.g. , face wash, makeup remover, etc.), sunscreen cosmetics, ointments, and the like.
  • skin care cosmetics e.g. lotions, milky lotions, creams, serums, packs, masks, etc.
  • makeup cosmetics e.g., foundations, makeup bases, etc.
  • skin cleansers e.g. , face wash, makeup remover, etc.
  • sunscreen cosmetics ointments, and the like.
  • Example 1 to 8 and Comparative Examples 1 to 3 Cosmetics of Examples 1 to 8 and Comparative Examples 1 to 3 were prepared with the formulations shown in Table 1. Numerical values in the table indicate % by mass. The viscosities of the obtained cosmetics are shown in Table 1. Viscosity was measured with a Brookfield viscometer (30°C).
  • Formulation Examples 1 to 7 of the cosmetic of the present invention are shown in Tables 2 to 8 below. Numerical values in the table indicate % by mass.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
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  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Cosmetics (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un produit cosmétique émulsifié de type huile dans l'eau qui présente une excellente sensation d'utilisation. La solution selon l'invention porte sur un produit cosmétique émulsifié de type huile dans l'eau qui contient (A) un dérivé de carboxamide cyclique ayant une structure spécifique ou un sel de celui-ci, (B) des particules de type noyau-couronne, (C) de l'huile et (D) de l'eau. Les particules de type noyau-couronne (B) sont obtenues par polymérisation radicalaire d'un macromonomère d'oxyde de polyéthylène et d'un monomère hydrophobe choisi dans le groupe constitué par les monomères dérivés d'acide acrylique/acide méthacrylique et les monomères dérivés d'acrylamide/méthacrylamide.
PCT/JP2022/045021 2021-12-20 2022-12-07 Produit cosmétique émulsifié de type huile dans l'eau WO2023120180A1 (fr)

Priority Applications (2)

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JP2023569277A JPWO2023120180A1 (fr) 2021-12-20 2022-12-07
CN202280076891.1A CN118265517A (zh) 2021-12-20 2022-12-07 水包油型乳化化妆品

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JP2021206140 2021-12-20
JP2021-206140 2021-12-20

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WO2023120180A1 true WO2023120180A1 (fr) 2023-06-29

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011040496A1 (fr) * 2009-09-30 2011-04-07 株式会社資生堂 Inhibiteur de l'activité héparanase
JP2018168087A (ja) * 2017-03-29 2018-11-01 株式会社 資生堂 水中油型化粧料
WO2019182126A1 (fr) * 2018-03-23 2019-09-26 株式会社 資生堂 Particules polymères de type coeur-couronne
JP2020176085A (ja) * 2019-04-17 2020-10-29 ポーラ化成工業株式会社 シワ改善用組成物
US20200399481A1 (en) * 2018-01-08 2020-12-24 The University Of Sussex Pickering emulsions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011040496A1 (fr) * 2009-09-30 2011-04-07 株式会社資生堂 Inhibiteur de l'activité héparanase
JP2018168087A (ja) * 2017-03-29 2018-11-01 株式会社 資生堂 水中油型化粧料
US20200399481A1 (en) * 2018-01-08 2020-12-24 The University Of Sussex Pickering emulsions
WO2019182126A1 (fr) * 2018-03-23 2019-09-26 株式会社 資生堂 Particules polymères de type coeur-couronne
JP2020176085A (ja) * 2019-04-17 2020-10-29 ポーラ化成工業株式会社 シワ改善用組成物

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JPWO2023120180A1 (fr) 2023-06-29

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