WO2020054590A1 - 油中水型乳化化粧料 - Google Patents
油中水型乳化化粧料 Download PDFInfo
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- WO2020054590A1 WO2020054590A1 PCT/JP2019/035123 JP2019035123W WO2020054590A1 WO 2020054590 A1 WO2020054590 A1 WO 2020054590A1 JP 2019035123 W JP2019035123 W JP 2019035123W WO 2020054590 A1 WO2020054590 A1 WO 2020054590A1
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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
- A61K8/064—Water-in-oil emulsions, e.g. Water-in-silicone emulsions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
- A61K8/893—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by an alkoxy or aryloxy group, e.g. behenoxy dimethicone or stearoxy dimethicone
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- A61K8/26—Aluminium; Compounds thereof
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Definitions
- the present invention relates to a water-in-oil type emulsified cosmetic containing a water-soluble polymer having a controlled molecular weight.
- the water-soluble synthetic polymer greatly contributes to the viscosity control of a composition containing water or an aqueous solvent as a continuous phase.
- polyacrylic acid or a salt thereof, or poly (2-acrylamido-2-methylpropanesulfonic acid) (hereinafter, may be abbreviated as PAMPS) or a salt thereof has various properties because of its high water solubility. It is widely used as a thickener in aqueous and oil-in-water compositions in the field.
- water-soluble synthetic polymers not only have a thickening effect, but also have a thread-drawing property (spinning properties). There was a situation that the compounding amount was restricted.
- Patent Document 1 polyacrylates and the like distributed on the market exhibit spinnability because of macromolecules (specifically, having a molecular weight of 10,000,000 or more) mixed therein.
- Patent Document 1 These are overpolymerized during the synthesis process and are inevitable by-products when synthesized by a usual method in which the frequency of polymerization initiation and the polymerization rate cannot be sufficiently controlled.
- the present inventors have found that polyacrylic acid salts and PAMPS salts in which the content of the macromolecules has been reduced to 10% by mass or less by the RAFT polymerization method have a spinning property while maintaining the original thickening effect. Only significantly reduced. It has been reported that by using the polymer whose molecular weight is controlled as a thickener instead of a conventional (commercially available) polymer, an aqueous or oil-in-water emulsified cosmetic that does not feel spinnability can be produced (Patent Reference 1).
- the object of the present invention is to provide a water-in-oil type emulsified cosmetic having improved feeling and usability.
- the present invention includes the following.
- a water-in-oil type emulsified cosmetic comprising an aqueous phase component other than the component (a), (c) an oily component at 60% by mass or less, and (d) an emulsifier.
- a water-in-oil type emulsified cosmetic which has excellent spreadability, little stickiness, richness, and excellent effect of giving skin moisture and smoothness.
- the aqueous phase composed of the component (a) and the component (b) is dispersed as emulsified particles in the oil phase containing the component (c) by the action of the component (d). It was done.
- each component will be described in detail.
- component (a) is polyacrylic acid, a salt of polyacrylic acid, poly (2-acrylamido-2-methylpropanesulfonic acid), and poly (2-acrylamido-2-methylpropanesulfonic acid). Or a polymer selected from the group consisting of salts of the above), having a weight average molecular weight of 1,000,000 to 4,000,000 and a viscosity at 25 ° C. of 1% by mass aqueous solution of 1 Pa ⁇ s or less. It is a polymer.
- the component (a) of the present invention is a linear polymer.
- the requirement that the “viscosity at 25 ° C. when used as a 1% by mass aqueous solution is 1 Pa ⁇ s or less” means that the polymer contains “only 10% by mass or less of a molecular species having a molecular weight of 10 million or more”. means.
- the viscosity at 25 ° C. of a 1% by mass aqueous solution is as follows. This is because it becomes 1 Pa ⁇ s or less.
- the viscosity is the apparent viscosity value after 60 seconds at a strain rate of 10 s ⁇ 1 , measured using a stress controlled rheometer.
- a stress control type rheometer a cone plate type geometry can be suitably used.
- a linear polymer having a weight average molecular weight of 1,000,000 to 4,000,000 and a viscosity at 25 ° C. of 1 Pa ⁇ s or less when prepared as a 1% by mass aqueous solution is referred to as a “molecular weight controlling polymer”.
- Polyacrylic acid and poly (2-acrylamido-2-methylpropanesulfonic acid) satisfying the requirements of the molecular weight controlling polymer may be referred to as “molecular weight controlling polyacrylic acid” and “molecular weight controlling PAMPS”, respectively.
- PAMPS is an abbreviation for poly (2-acrylamido-2-methylpropanesulfonic acid).
- the weight average molecular weight of the component (a) according to the present invention is from 1,000,000 to 4,000,000, preferably from 1.5,000,000 to 4,000,000, more preferably from 2,000,000 to 3.5,000,000, and still more preferably from 2,000,000 to 3,000,000.
- the weight average molecular weight is less than 1,000,000, an appropriate rich feeling may not be obtained, and when the weight average molecular weight is more than 4,000,000, stickiness may occur.
- alkali metal salts eg, sodium salt, potassium salt, magnesium salt, calcium salt, etc.
- organic amine salts eg, monoethanolamine salt, diethanolamine salt, triethanolamine salt, triisopropanol
- Amine salts 2-amino-2-methyl-1-propanol, 2-amino-2-methyl-1,3-propanediol, 2-amino-2-hydroxymethyl-1,3-propanediol
- Salts of basic nitrogen-containing compounds such as L-arginine, L-lysine, L-alkyltaurine and the like can be mentioned.
- monovalent alkali metal salts and organic amine salts are preferred, and sodium salts, potassium salts, and triethanolamine salts are more preferred, and sodium salts are most preferred.
- a polyacrylic acid salt or a PAMPS salt is a compound obtained by neutralizing polyacrylic acid or PAMPS with the base (that is, the alkali metal, organic amine, basic nitrogen-containing compound, or the like), or And a compound obtained by polymerizing acrylic acid or 2-acrylamido-2-methylpropanesulfonic acid (hereinafter abbreviated as AMPS) whose acid moiety has been previously neutralized with the base.
- the base that is, the alkali metal, organic amine, basic nitrogen-containing compound, or the like
- AMPS 2-acrylamido-2-methylpropanesulfonic acid
- Living polymerization includes living anionic polymerization, living cationic polymerization, and living radical polymerization (precision radical polymerization or controlled radical polymerization).
- Living radical polymerization includes nitroxide-mediated (radical) polymerization, or nitroxide-mediated (radical) polymerization (NLRP), atom transfer radical polymerization (ATRP), reversible addition-fragmentation chain transfer (RAFT) polymerization, and the like.
- ATRP atom transfer radical polymerization
- activator ATRP derived from electron transfer or activator ATRP generated by electron transfer
- ARGET ATRP regeneration activator ATRP derived from electron transfer or activator ATRP regenerated by electron transfer
- an initiator ATRP for continuously regenerating active species an initiator ATRP (ICAR ATRP) for constantly regenerating an activator
- RAFT reversible addition-fragmentation chain transfer
- living radical polymerization with organic tellurium at the growth end or organic tellurium-mediated living radical polymerization (TERP), antimony-mediated living radical polymerization (SBRP), bismuth-mediated living Radical polymerization (BIRP).
- Other living radical polymerizations include iodine transfer radical polymerization (IRP), cobalt mediated radical polymerization (CMRP), and the like.
- Direct polymerization of acrylic acid is preferred because of its simplicity. However, when polymerization is difficult due to the formation of insoluble salts such as catalysts, protected acrylic acid esters such as t-butyl acrylate, methoxymethyl acrylate, and methyl acrylate. Then, deprotection is carried out to obtain the desired polymer compound.
- RAFT polymerization method a reversible addition-cleavage chain transfer polymerization method
- the chain transfer agent is preferably a dithio type or a trithio type.
- the polymerization initiator preferably has a chemical structure close to that of the chain transfer agent, and is preferably an azo-based initiator.
- the polymerization solvent is not particularly limited, and a solvent having high solubility in a monomer or a polymer is appropriately selected.
- the polymerization time is preferably from several hours to about 100 hours.
- the molecular weight of the molecular weight control polymer can be measured by a known method such as light scattering method, ultracentrifugation method, chromatography method and the like for the weight average molecular weight, and osmotic pressure method and chromatography method for the number average molecular weight. it can. Above all, a chromatography method is preferable in that a weight average molecular weight, a number average molecular weight, and a molecular weight distribution can be easily obtained with a small amount of a sample, and a gel permeation chromatography method (hereinafter, abbreviated as GPC) is more preferable. is there.
- GPC gel permeation chromatography method
- the molecular weight distribution used in the present application is a value obtained by dividing the weight average molecular weight obtained by GPC analysis by the number average molecular weight.
- the compounding amount of the component (a) in the water-in-oil type emulsified cosmetic according to the present invention is 0.005 to 2% by mass, preferably 0.005 to 1.5% by mass, and more preferably 0.005 to 1% by mass. %. If the amount is less than 0.005% by mass, an appropriate rich feeling may not be obtained, and if the amount exceeds 2% by mass, stickiness may occur.
- Aqueous phase component other than component (a) in addition to an aqueous solvent such as water, an aqueous component usually used in cosmetics is used to effect the present invention. It can be blended within a range that does not impair.
- aqueous solvent examples include water, a water-soluble alcohol, and the like.
- water purified water such as distilled water, reverse osmosis water, and ion-exchanged water, and tap water can be used.
- water-soluble alcohol examples include lower alcohols, polyhydric alcohols, polyhydric alcohol polymers, dihydric alcohol alkyl ethers, dihydric alcohol alkyl ethers, dihydric alcohol ether esters, glycerin monoalkyl ether, and sugar alcohols. Is mentioned.
- Lower alcohols include, for example, ethanol, propanol, isopropanol, isobutyl alcohol, t-butyl alcohol and the like.
- polyhydric alcohol examples include dihydric alcohols (eg, dipropylene glycol, 1,3-butylene glycol, ethylene glycol, trimethylene glycol, 1,2-butylene glycol, tetramethylene glycol, 2,3-butylene glycol, Pentamethylene glycol, 2-butene-1,4-diol, hexylene glycol, octylene glycol, etc.), trihydric alcohols (eg, glycerin, trimethylolpropane, etc.), and tetrahydric alcohols (eg, diglycerin, 1,2, Pentaerythritol such as 2,6-hexanetriol, etc.), pentahydric alcohol (eg, xylitol, triglycerin, etc.), hexahydric alcohol (eg, sorbitol, mannitol, etc.), polyhydric alcohol polymer (eg, diethylene glycol) Dipropylene glycol-triethylene
- aqueous component examples include a humectant, a water-soluble polymer, a hydrophilic powder, an inorganic salt, an organic salt, a vitamin, and a pH adjuster.
- humectant examples include 1,3-butylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, hexylene glycol, glycerin, diglycerin, xylitol, maltitol, maltose, D-mannitol and the like. Further, a polyoxyethylene (hereinafter, POE) / polyoxypropylene (hereinafter, POP) copolymer dialkyl ether may be blended.
- POE polyoxyethylene
- POP polyoxypropylene
- the alkyl group of the POE / POP copolymer dialkyl ether is an alkyl group having 1 to 4 carbon atoms which may be the same or different, preferably a methyl group or an ethyl group, and particularly preferably a methyl group.
- the amount of the POE group is preferably 20 to 80% by weight based on the total of the POE group and the POP group.
- POE / POP may be either a random type or a block type, but is preferably a random type.
- Such POE / POP copolymer dialkyl ethers are described in, for example, JP-A-2004-83541 and JP-A-2006-265135.
- Examples of such compounds include POE (9) POP (2) dimethyl ether, POE (7) POP (12) dimethyl ether, POE (14) POP (7) dimethyl ether, POE (17) POP (4) dimethyl ether, POE (10) POP (10) dimethyl ether, POE (6) POP (14) dimethyl ether, POE (15) POP (5) dimethyl ether, POE (25) POP (25) dimethyl ether, POE (27) POP (14) dimethyl ether, POE (55) POP (28) dimethyl ether, POE (36) POP (41) dimethyl ether, POE (9) POB (2) dimethyl ether, POE (14) POB (7) dimethyl ether, POE (10) POP (10) diethyl ether, POE ( 0) POP (10) dipropyl ether, POE (10) POP (10) dibutyl ether, and the like.
- water-soluble polymer examples include plant gums such as gum arabic, carrageenan, pectin, agar, quince seed (quince), starch, alge colloid (brown algae extract), microbial polymers such as dextran and pullulan, collagen, casein Animal polymers such as gelatin, starch polymers such as carboxymethyl starch and methylhydroxypropyl starch, alginic acid polymers such as sodium alginate, sodium glutamate, and vinyl polymers such as carboxyvinyl polymer (such as CARBOPOL); Polyoxyethylene polymer, polyoxyethylene polyoxypropylene copolymer polymer, acrylic polymer such as sodium polyacrylate, polyacrylamide, bentonite, aluminum magnesium silicate, laponite Include inorganic water-soluble polymers and the like.
- plant gums such as gum arabic, carrageenan, pectin, agar, quince seed (quince), starch, alge colloid (brown algae extract), microbial polymers such as dextran
- hydrophilic powder examples include inorganic powders (for example, talc, kaolin, sericite, muscovite, synthetic mica, phlogopite, mica, biotite, lithia mica, vermiculite, magnesium carbonate, calcium carbonate, diatomaceous earth, magnesium silicate)
- Organic powders eg, polyamide resin powder (nylon powder), calcium silicate, aluminum silicate, barium silicate, strontium silicate, metal tungstate, silica, hydroxyapatite, zeolite, boron nitride, ceramic powder, etc.); Polyethylene powder, polymethyl methacrylate powder, polystyrene powder, copolymer resin powder of styrene and acrylic acid, benzoguanamine resin powder, polytetrafluoroethylene powder, cellulose powder, etc.); inorganic white pigments (eg, zinc oxide, etc.); Inorganic red pigments (for example, Inorganic violet pigments (eg, mango violet,
- Yellow No. 203 Orange No. 204, Yellow No. 205, Yellow Organic pigments such as 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 No. 202, Yellow No. 203, Green No. 3 and Blue No. 1); natural pigments (eg, chlorophyll, ⁇ -carotene, etc.).
- natural pigments eg, chlorophyll, ⁇ -carotene, etc.
- oils that can be blended in the present invention include hydrocarbons, ester oils, vegetable oils and fats, animal oils and fats, higher alcohols, higher fatty acids, silicone oils and the like.
- hydrocarbon examples include liquid paraffin, paraffin, squalane, squalene, ozokerite, pristane, ceresin, petrolatum, microcrystalline wax and the like.
- ester oils isopropyl myristate, cetyl octanoate, octyl dodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyl decyl dimethyloctanoate, cetyl lactate, myristyl lactate, Lanolin acetate, isocetyl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearate, ethylene glycol di-2-ethylhexanoate, fatty acid ester of dipentaerythritol, N-alkyl glycol monoisostearate, neopentyl glycol dicaprate, dimalate malate Isostearyl, glycerin di-2-heptylundecanoate, trimethylolpropane tri-2-eth
- vegetable oils examples include avocado oil, camellia oil, macadamia nut oil, corn oil, olive oil, rapeseed oil, sesame oil, castor oil, peanut oil, almond oil, soybean oil, teaseed oil, jojoba oil, germ oil, and the like.
- animal fats and oils include turtle oil, egg yolk oil, mink oil and the like.
- oleyl alcohol, stearyl alcohol, isostearyl alcohol, behenyl alcohol, octyldodecanol, decyltetradecanol, jojoba alcohol, cetyl alcohol myristyl alcohol, etc. as higher fatty acids, oleic acid, isostearic acid, Linoleic acid, linoleic acid, eicosapentaenoic acid, palmitic acid, stearic acid, behenic acid and the like.
- silicone oil examples include linear polysiloxane (for example, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane, methylhydrogenpolysiloxane, etc.), a silicone resin having a three-dimensional network structure, silicone rubber, Acrylic silicones are exemplified.
- linear polysiloxane for example, dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane, methylhydrogenpolysiloxane, etc.
- silicone resin having a three-dimensional network structure silicone rubber
- Acrylic silicones are exemplified.
- a “water hydrate oil component” that can absorb (hydrate) a large amount of water can also be blended.
- the water-holding oil component is an oil component having a water-holding property.
- a water-holding oil having a water holding power of 100% or more, that is, a water-holding water having a self-weight or more is preferable.
- hydrated oil examples include dipentaerythritol hexaoxystearate, pentaerythrit tetra (behenic acid / benzoic acid / ethylhexanoic acid), fatty acid fetosteryl macadamia nut oil, di (fetosteryl N-lauroyl-L-glutamate, 2-octyl) Dodecyl), glycerin triisostearate, macadamia nut oil polyglyceryl-6 ester zbehenate and the like.
- a volatile oil component can be suitably used in the present invention. This is because, when the oil phase, which is a continuous phase, contains volatile oil, improvement in usability such as a feeling of fitting to the skin and a feeling of luster is expected.
- the volatile oil refers to an oil having a boiling point of 260 ° C. or lower at normal pressure (low boiling oil).
- Representative examples include isoparaffinic hydrocarbon oils and silicone oils.
- the low-boiling isoparaffin hydrocarbon oil include isododecane and isohexadecane.
- the low boiling point silicone oil include cyclic dimethylpolysiloxane having 4 to 6 silicon atoms and chain dimethylpolysiloxane having 2 to 5 silicon atoms.
- the water-in-oil type emulsified cosmetic according to the present invention one or more of the above oils can be used.
- the preferred blending amount of the oil component in the water-in-oil emulsion cosmetic of the present invention is 10 to 60% by mass, particularly preferably 15 to 50% by mass.
- an ultraviolet absorber may be blended as the component (c).
- the ultraviolet absorber include, for example, benzoic acid-based ultraviolet absorbers (eg, paraaminobenzoic acid (hereinafter, 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, etc.); anthranilic acid type ultraviolet absorbers (eg, homomenthyl-N-acetylanthranilate etc.); salicylic acid type ultraviolet absorbers (eg, amyl) Salicylate, menthyl salicylate, homomenthyl salicylate, octyl salicylate, phenyl salicylate, benzyl salicylate, p-isopropanol phenyl salicylate,
- an oil-soluble drug, a fragrance and the like may be blended as the component (c).
- the oil-soluble drug include oil-soluble vitamins such as vitamin A and vitamin A derivatives.
- the blending amount of the (c) oil component is 60% by mass or less, preferably 50% by mass or less, more preferably 40% by mass or less. If the amount of the component (c) exceeds 60% by mass, it becomes difficult to obtain a water-in-oil type emulsified cosmetic having all the effects of the present invention.
- (D) Emulsifier in the present invention, those usually used in cosmetics can be used.
- the emulsifier those having an HLB of 7 or less can be used, and those having an HLB of 5 or less are particularly preferable.
- Examples of the emulsifier that can be suitably used in the present invention include an organically modified viscosity mineral, a silicone-based surfactant, and a polyhydric alcohol fatty acid ester-based surfactant.
- Examples of the organic modified viscosity mineral include dimethylalkylammonium hectorite, benzyldimethylstearylammonium hectorite, and distearyldimethylammonium chloride-treated aluminum magnesium silicate.
- silicone surfactant examples include poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer, polyoxyethylene methylpolysiloxane copolymer, silicone chain-branched methylpolysiloxane copolymer, and alkyl chain-branched surfactant Polyoxyethylene methyl polysiloxane copolymer, alkyl chain / silicone chain branched polyoxyethylene methyl polysiloxane copolymer, crosslinked polyoxyethylene methyl polysiloxane, alkyl group-containing crosslinked polyoxyethylene methyl polysiloxane, branched Examples thereof include polyglycerin-modified silicone and alkyl group-branched polyglycerin-modified silicone.
- polyhydric alcohol fatty acid ester surfactant examples include glycerin fatty acid ester, polyglycerin fatty acid ester, polyoxyethylene glycerin fatty acid ester, sorbitan fatty acid ester, and polyoxyethylene sorbitan fatty acid ester.
- the amount of the emulsifier (d) in the water-in-oil emulsion cosmetic according to the present invention is preferably 0.01 to 10% by mass, more preferably 0.1 to 5% by mass, based on the total amount of the composition. %.
- the water-in-oil type emulsified cosmetic of the present invention may further contain (e) a hydrophobized powder.
- a hydrophobized powder examples include, for example, coating the surface of the powder with silicones (including silicone elastomers) such as methyl hydrogen polysiloxane and dimethyl polysiloxane, dextrin fatty acid esters, higher fatty acids, higher alcohols, and fatty acid esters.
- the body After covering the body with silica, the body is subjected to a hydrophobic treatment with an alkyl-modified silane coupling agent or the like.
- the hydrophobizing treatment treatment with silicones is preferable, and in particular, elastomer treatment can be suitably used.
- silicone elastomer examples include mixing a silicone polymer having an amino group (particularly preferably a side chain type amino-modified silicone) with a silicone polymer having a carboxyl group and heating. (See WO2017 / 20977).
- the powder subjected to the hydrophobizing treatment is not particularly limited.
- inorganic white pigments such as talc, kaolin, sericite, muscovite, titanium oxide, iron oxide, iron oxide (bengara), titanic acid
- Inorganic red pigments such as iron
- inorganic yellow pigments such as yellow iron oxide and loess
- inorganic purple pigments such as mango violet and cobalt violet
- inorganic green pigments such as chromium oxide, chromium hydroxide, and cobalt titanate
- ultramarine blue Pearl pigments such as titanium oxide coated mica, titanium oxide coated bismuth oxyoxide, bismuth oxychloride, titanium oxide coated talc, fish scale foil, colored titanium oxide coated mica, aluminum powder, copper powder, etc.
- Metal powder pigments synthetic mica, phlogopite, phlogopite, biotite, lithia mica, Miculite, magnesium carbonate, calcium carbonate, diatomaceous earth, magnesium silicate, calcium silicate, aluminum silicate, barium silicate, strontium silicate, metal tungstate, ⁇ -iron oxide, hydrated iron oxide, silica, hydroxyapatite, etc.
- Inorganic powders organic powders such as nylon powder, polyethylene powder, benzoguanamine powder, microcrystalline cellulose, and silicone powder.
- UV protection powders such as fine particle titanium oxide and fine particle zinc oxide, and composite powders obtained by coating an organic powder with an inorganic powder may also be used.
- the hydrophobized powder by blending the hydrophobized powder with the component (a), the effect of imparting smoothness to the skin and the non-stickiness can be further improved.
- a silicone elastomer is used as the hydrophobized powder, a more remarkable effect can be obtained.
- the compounding amount of the hydrophobized powder in the water-in-oil type emulsified cosmetic according to the present invention is 0.1 to 20% by mass, preferably 1 to 10% by mass based on the cosmetic. If the blending amount of the hydrophobized powder is less than 0.1% by mass, smoothness may not be felt, and if it exceeds 20% by mass, ease of spreading may be lost.
- the water-in-oil type emulsified cosmetic according to the present invention can be appropriately blended with other components usually used in cosmetics as long as the effects of the present invention are not impaired, thereby producing a cosmetic.
- the product form of the cosmetic according to the present invention is not particularly limited.
- makeup cosmetics such as foundation, makeup base, blusher, eyeshadow, eyeliner, eyebrow, mascara, creams, milky lotions, packs, sunscreen cosmetics
- Skin care cosmetics such as cosmetics.
- the water-in-oil emulsified cosmetic according to the present invention can be produced according to a standard method. For example, it may be manufactured by mixing and dissolving an oil phase component, adding the mixture to a water phase component while stirring, and emulsifying the mixture.
- Acrylic acid (2514 mg), methylenebisacrylamide (9.6 ⁇ g), and V-501 (0.17 mg) were dissolved in ion-exchanged water (9 ml), and methanol solution (1 ml) in which CPD (0.17 mg) was dissolved.
- a polymerization reaction was performed at 60 ° C. for 24 hours under an argon atmosphere.
- an aqueous solution of sodium hydroxide is added to neutralize the solution to a pH of about 6 to 7, dialyzed against purified water for 4 days, and then freeze-dried to thereby control the molecular weight of sodium polyacrylate-3 (1. 99 g, 79% yield).
- the weight average molecular weight was 3.26 million and the molecular weight distribution was 1.7.
- * 1 Talc JA-68R (manufactured by Asada Seimitsu Co., Ltd.) surface-treated with an elastomer consisting of aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer and PCA dimethicone (elastomer of Test Example 3-1 of WO2017 / 2090077) (Equivalent to treated talc)
- Tables 1-4 Water-in-oil type emulsified cosmetics having the formulations shown in Tables 1-4 were prepared according to the following production methods, and the physical properties were evaluated by the following methods. Tables 1 and 2 are cream, Table 3 is foundation, and Table 4 is foundation formulation. Further, for the following items (7) to (10), an actual use test using a specialized panel was performed. The results are shown in each table.
- Oil phase components other than the elastomer-treated talc were mixed and heated to about 80 ° C. to dissolve, and then the elastomer-treated talc was added, mixed and dispersed. Meanwhile, the aqueous phase components were mixed and heated to about 80 ° C. The parts of the water phase component were gradually added while the parts of the oil phase component were relatively vigorously stirred, emulsified, and then stirred and cooled to obtain a water-in-oil emulsified cosmetic.
- Hardness Hardness was measured in an atmosphere of 25 ° C. using a rheometer (manufactured by Fudo Industry Co., Ltd .: NRM-3002D; diameter: 11.3 mm, 3 mm needle). In the present invention, when the hardness was 5 or more, it was determined that the cream was appropriate. Viscosity The viscosity (mPa ⁇ s) of each sample immediately after preparation was measured at 30 ° C. using a rotary viscometer (BL type, 12 rpm, 1 minute). -Emulsion particle diameter Observed with an optical microscope (manufactured by OLYMPUS: BX60). -Formulation In each of the tables, the formulation of the desired cosmetic preparation was indicated by A, and the one that did not was indicated by C.
- Example 1 sodium polyacrylate (Production Example 1) was added to the formulation as an aqueous phase component.
- the cream of Example 1 spread very well, was excellent in non-stickiness, and was also extremely excellent in the effect of imparting moisture to the skin.
- the cream was also excellent in the effect of giving richness and smoothness to the skin (Example 1).
- the cream obtained by adding the elastomer-treated talc to the formulation of Example 1 (Example 2) was also very excellent in the effect of imparting smoothness to the skin and the non-stickiness.
- the cream of Comparative Example 2 had poor spreadability and felt sticky, but (a) sodium polyacrylate (Production Example 1) of molecular weight control was added as an aqueous phase component to the formulation.
- the obtained cream of Example 3 spreads very well, is excellent in non-stickiness, and is also extremely excellent in an effect of giving moisture to the skin.
- the cream was also excellent in the effect of imparting richness and smoothness to the skin (Example 3).
- the cream obtained by adding the elastomer-treated talc to the formulation of Example 3 (Example 4) was also extremely excellent in the effect of imparting smoothness to the skin and the non-stickiness.
- polyacrylate salt whose molecular weight was not controlled was examined.
- polyacrylate a commercially available polyacrylic acid having a weight average molecular weight of 750,000 and 4,000,000 (manufactured by Sigma-Aldrich) neutralized with sodium hydroxide in the same manner as in Production Example 1 of the present application was used.
- Formulation Example 1 Body cream Ingredients Amount (% by mass) Dimethyl polysiloxane 3 Decamethylcyclopentasiloxane 13 Dodecamethylcyclohexasiloxane 12 Polyoxyethylene / methylpolysiloxane copolymer 1 Ethanol 2 Isopropanol 1 Glycerin 3 Dipropylene glycol 5 Polyethylene glycol 6000 5 Sodium hexametaphosphate 0.05 Tocopherol acetate 0.1 Caffeine 0.1 Fennel extract 0.1 Hamamelis extract 0.1 Carrot extract 0.1 L-Menthol qs Paraoxybenzoate qs trisodium edetate 0.05 Dimorpholinopyridazinone 0.01 Methyl bis (trimethylsiloxy) silyl isopentyl trimethoxycinnamate 0.1 Iron oxide yellow Proper amount Cobalt titanate Proper amount Dimethyl distearyl ammonium hectorite 1.5 Molecular Weight Controlled Sodium Polyacrylate
- Formulation Example 2 Sunscreen cream Ingredients Amount (% by mass) Decamethylcyclopentasiloxane 20 Trimethylsiloxysilicic acid 1 Polyoxyethylene / methylpolysiloxane copolymer 2 Dipropylene glycol 4 Squalane 5 Silicone coated fine particle titanium oxide 10 Hydrophobic talc 6 Paraben suitable amount phenoxyethanol suitable amount controlled molecular weight sodium polyacrylate (Production Example 1) 0.05 Trisodium edetate 0.02 4-t-butyl-4'-methoxydibenzoylmethane 0.1 2-Ethylhexyl paramethoxycinnamate 7 Glyceryl di-2-methoxycinnamate mono-2-ethylhexanoate 0.5 Spherical polyethylene powder 5 Dimethyl distearyl ammonium hectorite 1 Appropriate amount of fragrance Purified water residue Total 100.00
- Formulation Example 3 Sunscreen cream Ingredient Content (% by mass) Dimethyl polysiloxane 5 Decamethylcyclopentasiloxane 20 Trimethylsiloxysilicic acid 3 Polyoxyethylene / methylpolysiloxane copolymer 3 Dipropylene glycol 3 Cetyl 2-ethylhexanoate 1 Silicone coated fine particle zinc oxide 10 Talc 1 Silicone coated fine particle titanium oxide 7 Paraben suitable amount phenoxyethanol suitable amount molecular weight control sodium polyacrylate (Production Example 1) 0.005 Trisodium edetate 0.2 Dimethyl distearyl ammonium hectorite 1 Polymethylmethacrylic acid copolymer spherical powder 3 Appropriate amount of fragrance Purified water residue Total 100.00
- Formulation Example 4 Sunscreen cream Ingredients Content (% by mass) Decamethylcyclopentasiloxane 20 Ethanol 5 Isostearyl alcohol 2 Dipropylene glycol 3 Isostearic acid 2 Glyceryl tri-2-ethylhexanoate 5 Cetyl 2-ethylhexanoate 2 Dextrin fatty acid ester coated fine particle titanium oxide 2 Sodium chloride 2 Trisodium edetate proper amount Ubinal T-150 (manufactured by BASF) 1 4-t-butyl-4 "-methoxydibenzoylmethane 1 2-Ethylhexyl paramethoxycinnamate 7.5 Sodium carboxymethylcellulose 0.5 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 1 Ethyl cellulose 1 Spherical acrylic resin powder 5 Appropriate amount of fragrance Purified water residue Total 100.00
- Formulation Example 5 Cream Ingredient Content (% by mass) Decamethylcyclopentasiloxane 20 ⁇ -olefin oligomer 10 Vaseline 1 Microcrystalline wax 3 Decamethylcyclopentasiloxane 5 Glycerin 10 Dipropylene glycol 2 1,3-butylene glycol 2 Erythritol 2 Squalane 1 Glycerin fatty acid ester eicosaninic acid condensate 0.1 Isostearic acid 1 Cetyl 2-ethylhexanoate 5 Sodium chloride 0.5 Sodium hexametaphosphate 0.05 Stearyl glycyrrhetinate 0.05 Kobo extract 0.1 L-ascorbyl magnesium phosphate 2 Tocopherol acetate 0.5 Thiotaurine 0.1 Sodium DL-pyrrolidonecarboxylate 1 Turmeric extract 0.1 Trisodium edetate 0.1 Dimethyl distearyl ammonium hectorite 2 Sodium carboxymethyl cellulose
- Formulation Example 6 Cream Ingredient Content (% by mass) Mineral oil 2 Cetyl PEG / PPG-10 / 1 dimethicone 2 Lauryl PEG-9 polydimethylsiloxyethyl dimethicone 2 Cyclomethicone 8 Trimethylsiloxysilicic acid 2 (Alkyl acrylate / dimethicone) copolymer 1 Ethanol 5 Glycerin 1 1,3-butylene glycol 8 Triethylhexanoin 4 Dipivalic acid PPG-31 Isopropyl myristate 5 Diisopropyl sebacate 5 Hydrophobized titanium 15 Phenoxyethanol qs disodium edetate qs t-butylmethoxydibenzoylmethane 2 Octocrylene 8 Disteardimonium hectorite 1 Polymethyl methacrylate 5 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 0.3 Tranexamic acid 2 Appropriate amount of fragrance Purified water residue
- Formulation Example 7 Cream component blending amount (% by mass) Mineral oil 2 PEG-9 polydimethylsiloxyethyl dimethicone 1 Dimethicone 12 PEG-10 dimethicone crosspolymer 3 Ethanol 5 Glycerin 5 Dipropylene glycol 3 1,3-butylene glycol 2 PEG-150 1 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 2 Polymethylsilsesquioxane 1 Citric acid 0.15 Sodium citrate 0.05 Salt 1 Tranexamic acid 2 Phenoxyethanol 0.35 Edetate disodium 0.1 Cellulose gum 0.25 Appropriate amount of fragrance Purified water residue Total 100.00
- Formulation Example 8 Cream Ingredient Content (% by mass) Decamethylcyclopentasiloxane 15 Trimethylsiloxysilicic acid 5 Polyoxyethylene / methylpolysiloxane copolymer 5 Glycerin 5 1,3-butylene glycol 5 Maltitol solution 2 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 0.1 Macadamia nut oil 2 Squalane 2 Cholesteryl hydroxystearate 0.5 Cetyl 2-ethylhexanoate 2 Distearyl dimethyl ammonium chloride 0.2 L-ascorbic acid sulfate disodium salt 0.1 ⁇ -Tocopherol 2-L-ascorbic acid diphosphate potassium 0.1 Tocopherol acetate 0.05 Fish collagen 0.4 Sodium chondroitin sulfate 0.01 Sodium hyaluronate 0.1 Trisodium edetate 0.05 Glyceryl di-2-methoxycinnamate mono-2-ethylhexanoate
- Formulation Example 9 Foundation ingredients Compounding amount (% by mass) Dimethyl polysiloxane 3 Decamethylcyclopentasiloxane 10 Polyoxyethylene / methylpolysiloxane copolymer 3 Dodecamethylcyclohexasiloxane 5 Glycerin 4 1,3-butylene glycol 5 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 0.5 Palmitic acid 0.5 Distearyl dimethyl ammonium chloride 0.2 Metallic soap treated talc 2 Crosslinked silicone powder (Trefil E-506) 0.1 Bengala coated mica titanium 0.5 N-lauroyl-L-lysine 2 Sodium L-glutamate 2 Tocopherol acetate 0.1 ⁇ -tocopherol 0.1 Paraoxybenzoate Suitable amount Phenoxyethanol 0.2 Spherical nylon powder 1 Spherical alkyl polyacrylate powder 3 Melilot Extract 2 Dextrin fatty acid treated talc 3 Dextrin fatty acid treated titanium dioxide 15 Dextrin fatty acid treated
- Formulation Example 10 Foundation ingredients Compounding amount (% by mass) Dimethyl polysiloxane 15 Decamethylcyclopentasiloxane 20 Polyoxyethylene / methylpolysiloxane copolymer 5 High molecular weight amino-modified silicone 0.1 Glycerin 5 1,3-butylene glycol 10 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 0.1 Palmitic acid 0.5 Macadamia nut oil cholesteryl 0.1 Distearyl dimethyl ammonium chloride 0.2 Alkyl-modified silicon resin-coated yellow iron oxide 2 Bengala coated with alkyl-modified silicone resin 1 Alkyl-modified silicon resin-coated black iron oxide 0.3 Alkyl-modified silicon resin coated titanium oxide 10 Alkyl-modified silicone resin coated talc oxide 1.5 Silicone-coated spindle-shaped titanium oxide 3 Sodium L-glutamate 0.5 DL- ⁇ -tocopherol acetate 0.1 Paraoxybenzoate Suitable amount methyl bis (trimethylsil
- Formulation Example 11 Foundation component blending amount (% by mass) Dimethyl polysiloxane 3 Decamethylcyclopentasiloxane 15 Polyoxyethylene / methylpolysiloxane copolymer 3 Glycerin 3 1,3-butylene glycol 5 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 0.1 Palmitic acid 0.5 Distearyl dimethyl ammonium chloride 0.2 Glycerol-modified silicone resin-coated sericite 0.5 Dextrin fatty acid-coated yellow iron oxide-coated mica titanium 0.5 Dextrin fatty acid coated titanium oxide 2 Dextrin fatty acid coated iron oxide / titanium oxide sintered product (PK) 12 Dextrin fatty acid coated talc 10 Sericite coated with methyl hydrogen polysiloxane treated titanium oxide 0.5 Boron nitride 0.5 Fine particle titanium oxide 0.5 Bengala coated mica titanium 0.5 Phytosterol 0.1 Sodium L-glutamate 1.5 Ascorbyl dipalmitate 0.1 DL
- Formulation Example 12 Two-layer type foundation Component blending amount (% by mass) Decamethylcyclopentasiloxane 10 Dodecamethylcyclohexasiloxane 20 Trimethylsiloxysilicic acid 1 Poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer 3 Ethanol 10 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 0.3 Isostearic acid 0.5 Alkyl-modified silicon resin coated titanium oxide 10 Dextrin palmitate coated titanium oxide 5 Dextrin palmitate coated talc 5 Needle-shaped fine particle titanium oxide 1 Spherical silicic anhydride 5 Silica anhydride coated mica qs sodium citrate qs N-lauroyl-L-lysine 0.5 DL- ⁇ -tocopherol acetate 0.1 D- ⁇ -tocopherol 0.1 Clara extract 1 Dextrin palmitate-coated Bengala proper amount dextrin palmitate-coated yellow iron oxide proper amount dextrin
- Formulation Example 13 Cream foundation Ingredients Amount (% by mass) Dimethylpolysiloxane 6mPas 5 Decamethylcyclopentasiloxane 25 Polyoxyethylene / methylpolysiloxane copolymer 3 Glycerin 1 1,3-butylene glycol 5 Xylit 0.5 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 1 Isostearic acid 0.5 Alkyl-modified silicon resin coated silicic anhydride 2 Talc 0.5 Aluminum stearate 1 Bengala coated mica titanium 0.1 Sodium hexametaphosphate 0.05 Dipotassium glycyrrhizinate 0.1 L-serine 0.1 Hypericum extract 0.1 DL- ⁇ -tocopherol acetate 0.2 Thiotaurine 0.1 Spruce extract 0.1 Peony extract 0.1 Acetylated sodium hyaluronate 0.1 Saxifraga extract 0.1 Paraoxybenzoate Suitable amount Phenoxyethanol Suitable amount Dex
- Formulation Example 14 makeup base component blending amount (% by mass) Dimethylpolysiloxane 6mPas 5 Decamethylcyclopentasiloxane 30 Polyoxyethylene / methylpolysiloxane copolymer 3 Dodecamethylcyclohexasiloxane 1 Glycerin 5 Dipropylene glycol 5 Molecular weight control sodium polyacrylate (Production Example 1) 0.02 Sage oil 0.1 Talc 0.1 Titanium mica 0.1 Crosslinked silicone powder (Trefil E-506) 3 Polymethylsilsesquioxane powder 10 Tocopherol acetate 0.1 ⁇ -tocopherol 0.1 Thiotaurine 0.1 Western mint extract 0.1 Paraoxybenzoate suitable amount phenoxyethanol proper amount trisodium edetate proper amount colored pigment proper amount dimethyl distearyl ammonium hectorite 1.5 Purified water residue Total 100.00
- Formulation Example 15 Concealer component Compounding amount (% by mass) Dimethyl polysiloxane 2 Decamethylcyclopentasiloxane 15 Polyoxyethylene / methylpolysiloxane copolymer 3 Glycerin 5 1,3-butylene glycol 6 D-Mannit 1 Molecular Weight Controlled Sodium Polyacrylate (Production Example 1) 0.5 Squalane 0.5 Dextrin fatty acid coated titanium oxide 10 Dextrin fatty acid coated talc 10 Spherical polymethylsilsesquioxane powder 0.1 Bengala coated mica titanium 0.5 Sodium L-glutamate 2 Nobara extract 0.1 Phenoxyethanol suitable amount Bengala coated mica titanium 0.5 Dextrin fatty acid-coated yellow iron oxide 1.5 Dextrin fatty acid-coated black iron oxide 0.5 Purified water residue Total 100.00
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Abstract
Description
[1] 下記成分(a)~(c);
(a)ポリアクリル酸、ポリアクリル酸の塩、ポリ(2-アクリルアミド-2-メチルプロパンスルホン酸)、及びポリ(2-アクリルアミド-2-メチルプロパンスルホン酸)の塩からなる群より選ばれる1以上のポリマーであって、重量平均分子量が100万~400万であり、且つ、1質量%水溶液としたときの25℃における粘度が1Pa・s以下であるポリマー、
(b)成分(a)以外の水相成分
(c)油性成分を60質量%以下
(d)乳化剤
を含むことを特徴とする油中水型乳化化粧料。
[2] 成分(a)の含有量が0.005%~2%である、前記[1]に記載の油中水型乳化化粧料。
[3] 前記成分(a)の重量平均分子量が150万~400万である、前記[1]または[2]に記載の油中水型乳化化粧料。
[4]さらに、成分(e)疎水化処理粉体を含むことを特徴とする、前記[1]-[3]のいずれかに記載の油中水型乳化化粧料。
本発明に係る油中水型乳化化粧料は、成分(a)及び成分(b)からなる水相が、成分(d)の作用により、成分(c)を含む油相中に乳化粒子として分散したものである。以下、各成分について詳述する。
本発明における(a)成分は、ポリアクリル酸、ポリアクリル酸の塩、ポリ(2-アクリルアミド-2-メチルプロパンスルホン酸)、及びポリ(2-アクリルアミド-2-メチルプロパンスルホン酸)の塩からなる群より選ばれる1以上のポリマーであって、重量平均分子量が100万~400万であり、且つ、1質量%水溶液としたときの25℃における粘度が1Pa・s以下であるポリマーである。また、本発明の(a)成分は、直鎖状のポリマーである。
本発明に係る成分(a)は、公知のリビング重合法により合成することができる。リビング重合には、リビングアニオン重合、リビングカチオン重合、リビングラジカル重合(精密ラジカル重合、又は制御ラジカル重合)が挙げられる。
リビングラジカル重合には、ニトロキシドを介した(ラジカル)重合、又はニトロキシド媒介(ラジカル)重合(NLRP)、原子移動ラジカル重合(ATRP)、可逆的付加-開裂連鎖移動(RAFT)重合等が挙げられる。原子移動ラジカル重合(ATRP)には、電子移動由来アクチベーターATRP、又は電子移動により生成する活性化剤ATRP(AGET ATRP)、電子移動由来再生アクチベーターATRP又は電子移動により再生される活性化剤ATRP(ARGET ATRP)、連続的に活性種を再生するための開始剤ATRP又は活性化剤が定常的に再生する開始剤ATRP(ICAR ATRP)、逆ATRP(Reverse ATRP)が挙げられる。可逆的付加-開裂連鎖移動(RAFT)重合の派生技術として、有機テルルを成長末端とするリビングラジカル重合、又は有機テルル媒介リビングラジカル重合(TERP)、アンチモン媒介リビングラジカル重合(SBRP)、ビスマス媒介リビングラジカル重合(BIRP)が挙げられる。その他のリビングラジカル重合として、ヨウ素移動ラジカル重合(IRP)、コバルト媒介ラジカル重合(CMRP)等が挙げられる。
分子量制御ポリマーの分子量は、重量平均分子量については光散乱法、超遠心法、クロマトグラフィー法等、数平均分子量については浸透圧法、クロマトグラフィー法等の公知の方法によって測定することができる。なかでも、少量の試料で簡便に重量平均分子量、数平均分子量、及び分子量分布が得られる点でクロマトグラフィー法が好ましく、さらには、ゲルパーミエーションクロマトグラフ法(以下、GPCと略記)が好適である。
なお、本願で用いる分子量分布は、GPC解析によって得られた重量平均分子量を数平均分子量で除した値である。
本発明には、成分(a)以外の水相成分として、水などの水系溶媒のほか、通常化粧品に使用される水性成分を本発明の効果を損なわない範囲で配合することができる。
水としては、蒸留水、逆浸透水、イオン交換水等の精製水、及び水道水等を用いることができる。
水溶性アルコールとしては、例えば、低級アルコール、多価アルコール、多価アルコール重合体、2価のアルコールアルキルエーテル類、2価アルコールアルキルエーテル類、2価アルコールエーテルエステル、グリセリンモノアルキルエーテル、糖アルコール等が挙げられる。
本発明には、(c)油性成分として、通常化粧品に使用される油分を本発明の効果を損なわない範囲で配合することができる。
本発明に配合することができる油分の例としては、炭化水素、エステル油、植物性油脂、動物性油脂、高級アルコール、高級脂肪酸、シリコーン油等が挙げられる。
動物性油脂としては、タートル油、卵黄油、ミンク油等が挙げられる。
抱水性油分としては、ヘキサオキシステアリン酸ジペンタエリトリット、テトラ(ベヘン酸/安息香酸/エチルヘキサン酸)ペンタエリスリット、マカデミアナッツ油脂肪酸フェトステリル、N-ラウロイル-L-グルタミン酸ジ(フェトステリル、2-オクチルドデシル)、トリイソステアリン酸グリセリン、マカデミアナッツ油ポリグリセリル-6エステルズベヘネート等が挙げられる。
低沸点イソパラフィン系炭化水素油としては、例えばイソドデカン、イソヘキサデカンなどが挙げられる。また、低沸点シリコーン油としては、ケイ素数4~6の環状ジメチルポリシロキサン、ケイ素数2~5の鎖状ジメチルポリシロキサンが挙げられる。
紫外線吸収剤の例としては、例えば、安息香酸系紫外線吸収剤(例えば、パラアミノ安息香酸(以下、PABA)、PABAモノグリセリンエステル、N,N-ジプロポキシPABAエチルエステル、N,N-ジエトキシPABAエチルエステル、N,N-ジメチルPABAエチルエステル、N,N-ジメチルPABAブチルエステル等);アントラニル酸系紫外線吸収剤(例えば、ホモメンチル-N-アセチルアントラニレート等);サリチル酸系紫外線吸収剤(例えば、アミルサリシレート、メンチルサリシレート、ホモメンチルサリシレート、オクチルサリシレート、フェニルサリシレート、ベンジルサリシレート、p-イソプロパノールフェニルサリシレート等);ケイ皮酸系紫外線吸収剤(例えば、オクチルメトキシシンナメート、エチル-4-イソプロピルシンナメート、メチル-2,5-ジイソプロピルシンナメート、エチル-2,4-ジイソプロピルシンナメート、メチル-2,4-ジイソプロピルシンナメート、プロピル-p-メトキシシンナメート、イソプロピル-p-メトキシシンナメート、イソアミル-p-メトキシシンナメート、オクチル-p-メトキシシンナメート(2-エチルヘキシル-p-メトキシシンナメート)、2-エトキシエチル-p-メトキシシンナメート、シクロヘキシル-p-メトキシシンナメート、エチル-α-シアノ-β-フェニルシンナメート、2-エチルヘキシル-α-シアノ-β-フェニルシンナメート、グリセリルモノ-2-エチルヘキサノイル-ジパラメトキシシンナメート等);ベンゾフェノン系紫外線吸収剤(例えば、2,4-ジヒドロキシベンゾフェノン、2,2'-ジヒドロキシ-4-メトキシベンゾフェノン、2,2'-ジヒドロキシ-4,4'-ジメトキシベンゾフェノン、2,2',4,4'-テトラヒドロキシベンゾフェノン、2-ヒドロキシ-4-メトキシベンゾフェノン、2-ヒドロキシ-4-メトキシ-4'-メチルベンゾフェノン、2-ヒドロキシ-4-メトキシベンゾフェノン-5-スルホン酸塩、4-フェニルベンゾフェノン、2-エチルヘキシル-4'-フェニル-ベンゾフェノン-2-カルボキシレート、2-ヒドロキシ-4-n-オクトキシベンゾフェノン、4-ヒドロキシ-3-カルボキシベンゾフェノン等);3-(4'-メチルベンジリデン)-d,l-カンファー、3-ベンジリデン-d,l-カンファー;2-フェニル-5-メチルベンゾキサゾール;2,2'-ヒドロキシ-5-メチルフェニルベンゾトリアゾール;2-(2'-ヒドロキシ-5'-t-オクチルフェニル)ベンゾトリアゾール;2-(2'-ヒドロキシ-5'-メチルフェニルベンゾトリアゾール;ジベンザラジン;ジアニソイルメタン;4-メトキシ-4'-t-ブチルジベンゾイルメタン;5-(3,3-ジメチル-2-ノルボルニリデン)-3-ペンタン-2-オン、ジモルホリノピリダジノ;2-エチルヘキシル-2-シアノ-3,3-ジフェニルアクリレート;2,4-ビス-{[4-(2-エチルヘキシルオキシ)-2-ヒドロキシ]-フェニル}-6-(4-メトキシフェニル)-(1,3,5)-トリアジン等が挙げられる。
本発明には、(d)乳化剤として、化粧料に通常使用可能なものを用いることができる。
乳化剤としては、HLBが7以下のものを用いることができ、特に5以下のものが好ましい。なお、上記HLBの値は、HLB=7+11.7・log(MW/MO)(ただし、MWは親水基部の分子量を表し、MOは親油基部の分子量を表す)で表される川上式により算出することができる。
有機変性粘度鉱物としては、例えば、ジメチルアルキルアンモニウムヘクトライト、ベンジルジメチルステアリルアンモニウムヘクトライト、塩化ジステアリルジメチルアンモニウム処理ケイ酸アルミニウムマグネシウム等が挙げられる。
本発明に係る油中水型乳化化粧料には、さらに、(e)疎水化処理粉体を配合しても良い。
疎水化処理粉体の例としては、例えば、粉体の表面を、メチルハイドロジェンポリシロキサン、ジメチルポリシロキサン等のシリコーン類(シリコーンエラストマーを含む)、デキストリン脂肪酸エステル、高級脂肪酸、高級アルコール、脂肪酸エステル、金属石鹸、アルキルリン酸エーテル、フッ素化合物、またはスクワラン、パラフィン等の炭化水素類等を用いて、溶媒を使用する湿式法、気相法、メカノケミカル法等により疎水化処理したもの、あるいは粉体をシリカで被覆した後、アルキル変性したシランカップリング剤等によって疎水化処理を施したものなどが挙げられる。
このうち、疎水化処理としては、シリコーン類による処理が好ましく、特にエラストマー処置を好適に用いることができる。本発明に好適に用いることができるシリコーンエラストマーの例としては、アミノ基を有するシリコーンポリマー(特に好ましくは、側鎖型アミノ変性シリコーン)と、カルボキシル基を有するシリコーンポリマーとを混合し、加熱することによって製造されるエラストマー(WO2017/209077参照)を挙げることができる。
<製造例1>
リビングラジカル重合のRAFT重合法を用いて分子量制御されたポリアクリル酸ナトリウムを合成した。重合開始剤として4,4’-アゾビス-(4-シアノ吉草酸)(V-501、和光純薬工業社製)、連鎖移動剤としては、4-シアノペンタン酸ジチオベンゾエート(非特許文献1に従い合成、以降、CPDと略記)を用いた。
イオン交換水(9ml)にアクリル酸(2514mg)、メチレンビスアクリルアミド(9.6μg)、及びV-501(0.17mg)を溶解し、CPD(0.17mg)を溶解させたメタノール溶液(1ml)を加え、アルゴン雰囲気下、60℃で24時間重合反応を行った。重合反応後、水酸化ナトリウム水溶液を添加してpH6~7程度に中和した後、精製水に対して4日間透析し、その後凍結乾燥を行うことで分子量制御ポリアクリル酸ナトリウム-3(1.99g、収率79%)を回収した。GPCを用いて解析した結果、重量平均分子量は326万、分子量分布は1.7であった。
*1:タルクJA-68R(浅田製粉社製)を、アミノエチルアミノプロピルメチルシロキサン・ジメチルシロキサン共重合体とPCAジメチコンからなるエラストマーで表面処理したもの(WO2017/209077の試験例3-1のエラストマー処理タルクに相当)
エラストマー処理タルク以外の油相成分を混合し、約80℃に加熱して溶解した後、エラストマー処理タルクを添加混合して分散させた。一方で、水相成分を混合し、約80℃に加熱した。前記油相成分のパーツを比較的強く攪拌しながら前記水相成分のパーツを徐添し、乳化させた後、撹拌冷却して油中水型乳化化粧料を得た。
・硬度
25℃の雰囲気下にて、レオメーター(不動工業株式会社製:NRM-3002D;直径11.3mm、3mm針入)を用いて硬度を測定した。本発明においては、硬度が5以上であった場合に、クリームとして適切な硬度と判断した。
・粘度
調製直後の各試料の粘度(mPa・s)を、30℃で、回転型型粘度計(BL型、12rpm、1分間)を用いて測定した。
・乳化粒子径
光学顕微鏡(OLYMPUS社製:BX60)により観察した。
・製剤化
各表では、所望の化粧料の剤形となったものをA、ならなかったものをCで示した。
専門パネル10名に対し、試験組成物を顔に塗布してもらい、リッチ感、のびのよさ、肌のうるおい、肌のなめらかさ、べたつきのなさについて、当該効果の有無を回答してもらった。回答結果を以下の基準に従って集計し、表中に記載した。
S:9名以上が、効果があると答えた。
A:7名以上8名以下が、効果があると答えた。
B:5名以上6名以下が、効果があると答えた。
C:4名以下が、効果があると答えた。
本発明においては、SとAを合格、BとCを不合格とした。
さらに、実施例1の処方にエラストマー処理タルクを追加したクリーム(実施例2)では、肌になめらかさを付与する効果とべたつきのなさにも非常に優れていた。
さらに、実施例3の処方にエラストマー処理タルクを追加したクリーム(実施例4)では、肌になめらかさを付与する効果とべたつきのなさにも非常に優れていた。
さらに、成分(c)の配合量が68質量%となるまで油分の配合量を上げた場合にはクリームと呼べる剤形にはならなかったが(比較例5)、当該処方に(a)分子量制御ポリアクリル酸ナトリウム(製造例1)を追加するとクリームが得られた(比較例6)。しかしながら、比較例6のクリームでは、のびのよさ、肌のうるおい、肌のなめらかさ、及びべたつくのなさは得られなかった。
よって、前述した使用感の向上、特にのびの良さと肌にうるおいやなめらかさを付与する効果の顕著な向上は、水相に追加されたポリアクリル酸塩が分子量制御されていることに起因することが示された。
成分 配合量(質量%)
ジメチルポリシロキサン 3
デカメチルシクロペンタシロキサン 13
ドデカメチルシクロヘキサシロキサン 12
ポリオキシエチレン・メチルポリシロキサン共重合体 1
エタノール 2
イソプロパノール 1
グリセリン 3
ジプロピレングリコール 5
ポリエチレングリコール6000 5
ヘキサメタリン酸ナトリウム 0.05
酢酸トコフェロール 0.1
カフェイン 0.1
ウイキョウエキス 0.1
ハマメリスエキス 0.1
ニンジンエキス 0.1
L-メントール 適量
パラオキシ安息香酸エステル 適量
エデト酸三ナトリウム 0.05
ジモルホリノピリダジノン 0.01
トリメトキシ桂皮酸メチルビス(トリメチルシロキシ)シリルイソペンチル
0.1
黄酸化鉄 適量
チタン酸コバルト 適量
ジメチルジステアリルアンモニウムヘクトライト 1.5
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.2
ポリビニルアルコール 0.1
ヒドロキシエチルセルロース 0.1
トリメチルシロキシケイ酸 2
香料 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
デカメチルシクロペンタシロキサン 20
トリメチルシロキシケイ酸 1
ポリオキシエチレン・メチルポリシロキサン共重合体 2
ジプロピレングリコール 4
スクワラン 5
シリコーン被覆微粒子酸化チタン 10
疎水化処理タルク 6
パラベン 適量
フェノキシエタノール 適量
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.05
エデト酸三ナトリウム 0.02
4-t-ブチル-4'-メトキシジベンゾイルメタン 0.1
パラメトキシ桂皮酸2-エチルヘキシル 7
ジパラメトキシ桂皮酸モノ-2-エチルヘキサン酸グリセリル 0.5
球状ポリエチレン粉末 5
ジメチルジステアリルアンモニウムヘクトライト 1
香料 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
ジメチルポリシロキサン 5
デカメチルシクロペンタシロキサン 20
トリメチルシロキシケイ酸 3
ポリオキシエチレン・メチルポリシロキサン共重合体 3
ジプロピレングリコール 3
2-エチルヘキサン酸セチル 1
シリコーン被覆微粒子酸化亜鉛 10
タルク 1
シリコーン被覆微粒子酸化チタン 7
パラベン 適量
フェノキシエタノール 適量
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.005
エデト酸3ナトリウム 0.2
ジメチルジステアリルアンモニウムヘクトライト 1
ポリメチルメタクリル酸共重合体球状粉末 3
香料 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
デカメチルシクロペンタシロキサン 20
エタノール 5
イソステアリルアルコール 2
ジプロピレングリコール 3
イソステアリン酸 2
トリ2-エチルヘキサン酸グリセリル 5
2-エチルヘキサン酸セチル 2
デキストリン脂肪酸エステル被覆微粒子酸化チタン 2
塩化ナトリウム 2
エデト酸3ナトリウム 適量
ユビナールT-150(BASF社製) 1
4-t-ブチル-4’'-メトキシジベンゾイルメタン 1
パラメトキシ桂皮酸2-エチルヘキシル 7.5
カルボキシメチルセルロースナトリウム 0.5
分子量制御ポリアクリル酸ナトリウム(製造例1) 1
エチルセルロ-ス 1
球状アクリル樹脂粉末 5
香料 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
デカメチルシクロペンタシロキサン 20
α-オレフィンオリゴマー 10
ワセリン 1
マイクロクリスタリンワックス 3
デカメチルシクロペンタシロキサン 5
グリセリン 10
ジプロピレングリコール 2
1,3-ブチレングリコール 2
エリスリトール 2
スクワラン 1
グリセリン脂肪酸エステルエイコサンニ酸縮合物 0.1
イソステアリン酸 1
2-エチルヘキサン酸セチル 5
塩化ナトリウム 0.5
ヘキサメタリン酸ナトリウム 0.05
グリチルレチン酸ステアリル 0.05
コウボエキス 0.1
リン酸L-アスコルビルマグネシウム 2
酢酸トコフェロール 0.5
チオタウリン 0.1
DL-ピロリドンカルボン酸ナトリウム 1
ウコンエキス 0.1
エデト酸3ナトリウム 0.1
ジメチルジステアリルアンモニウムヘクトライト 2
カルボキシメチルセルロースナトリウム 0.1
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.5
パラベン 適量
香料 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
ミネラルオイル 2
セチルPEG/PPG-10/1ジメチコン 2
ラウリルPEG-9ポリジメチルシロキシエチルジメチコン 2
シクロメチコン 8
トリメチルシロキシケイ酸 2
(アクリル酸アルキル/ジメチコン)コポリマー 1
エタノール 5
グリセリン 1
1,3-ブチレングリコール 8
トリエチルヘキサノイン 4
ジピバリン酸PPG-3 1
ミリスチン酸イソプロピル 5
セバシン酸ジイソプロピル 5
疎水化処理チタン 15
フェノキシエタノール 適量
エデト酸二ナトリウム 適量
t-ブチルメトキシジベンゾイルメタン 2
オクトクリレン 8
ジステアルジモニウムヘクトライト 1
ポリメタクリル酸メチル 5
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.3
トラネキサム酸 2
香料 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
ミネラルオイル 2
PEG-9ポリジメチルシロキシエチルジメチコン 1
ジメチコン 12
PEG-10ジメチコンクロスポリマー 3
エタノール 5
グリセリン 5
ジプロピレングリコール 3
1,3-ブチレングリコール 2
PEG-150 1
分子量制御ポリアクリル酸ナトリウム(製造例1) 2
ポリメチルシルセスキオキサン 1
クエン酸 0.15
クエン酸ナトリウム 0.05
食塩 1
トラネキサム酸 2
フェノキシエタノール 0.35
エデト酸二ナトリウム 0.1
セルロースガム 0.25
香料 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
デカメチルシクロペンタシロキサン 15
トリメチルシロキシケイ酸 5
ポリオキシエチレン・メチルポリシロキサン共重合体 5
グリセリン 5
1,3-ブチレングリコール 5
マルチトール液 2
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.1
マカデミアナッツ油 2
スクワラン 2
ヒドロキシステアリン酸コレステリル 0.5
2-エチルヘキサン酸セチル 2
塩化ジステアリルジメチルアンモニウム 0.2
L-アスコルビン酸硫酸エステル2ナトリウム 0.1
α-トコフェロール2-L-アスコルビン酸リン酸ジエステルカリウム
0.1
酢酸トコフェロール 0.05
魚コラーゲン 0.4
コンドロイチン硫酸ナトリウム 0.01
ヒアルロン酸ナトリウム 0.1
エデト酸三ナトリウム 0.05
ジパラメトキシ桂皮酸モノ-2-エチルヘキサン酸グリセリル 0.05
ケイ酸アルミニウムマグネシウム 0.3
パラベン 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
ジメチルポリシロキサン 3
デカメチルシクロペンタシロキサン 10
ポリオキシエチレン・メチルポリシロキサン共重合体 3
ドデカメチルシクロヘキサシロキサン 5
グリセリン 4
1,3-ブチレングリコール 5
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.5
パルミチン酸 0.5
塩化ジステアリルジメチルアンモニウム 0.2
金属石鹸処理タルク 2
架橋型シリコーン末(トレフィルE-506) 0.1
ベンガラ被覆雲母チタン 0.5
N-ラウロイル-L-リジン 2
L-グルタミン酸ナトリウム 2
酢酸トコフェロール 0.1
δ-トコフェロール 0.1
パラオキシ安息香酸エステル 適量
フェノキシエタノール 0.2
球状ナイロン末 1
球状ポリアクリル酸アルキル粉末 3
メリロートエキス 2
デキストリン脂肪酸処理タルク 3
デキストリン脂肪酸処理二酸化チタン 15
デキストリン脂肪酸処理黄酸化鉄 3
デキストリン脂肪酸処理黒酸化鉄 0.5
精製水 残余
合計 100.00
成分 配合量(質量%)
ジメチルポリシロキサン 15
デカメチルシクロペンタシロキサン 20
ポリオキシエチレン・メチルポリシロキサン共重合体 5
高分子量アミノ変性シリコーン 0.1
グリセリン 5
1,3-ブチレングリコール 10
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.1
パルミチン酸 0.5
マカデミアナッツ油脂肪酸コレステリル 0.1
塩化ジステアリルジメチルアンモニウム 0.2
アルキル変性シリコン樹脂被覆黄酸化鉄 2
アルキル変性シリコン樹脂被覆ベンガラ 1
アルキル変性シリコン樹脂被覆黒酸化鉄 0.3
アルキル変性シリコン樹脂被覆酸化チタン 10
アルキル変性シリコン樹脂被覆酸化タルク 1.5
シリコーン被覆紡錘状酸化チタン 3
L-グルタミン酸ナトリウム 0.5
酢酸DL-α-トコフェロール 0.1
パラオキシ安息香酸エステル 適量
トリメトキシケイヒ酸メチルビス(トリメチルシロキシ)シリルイソペンチル
0.1
ジメチルジステアリルアンモニウムヘクトライト 1.5
球状ナイロン末 1
香料 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
ジメチルポリシロキサン 3
デカメチルシクロペンタシロキサン 15
ポリオキシエチレン・メチルポリシロキサン共重合体 3
グリセリン 3
1,3-ブチレングリコール 5
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.1
パルミチン酸 0.5
塩化ジステアリルジメチルアンモニウム 0.2
グリセロール変性シリコン樹脂被覆セリサイト 0.5
デキストリン脂肪酸被覆黄酸化鉄被覆雲母チタン 0.5
デキストリン脂肪酸被覆酸化チタン 2
デキストリン脂肪酸被覆酸化鉄・酸化チタン焼結物(PK) 12
デキストリン脂肪酸被覆タルク 10
メチルハイドロジェンポリシロキサン処理酸化チタン被覆セリサイト
0.5
窒化ホウ素 0.5
微粒子酸化チタン 0.5
ベンガラ被覆雲母チタン 0.5
フィトステロール 0.1
L-グルタミン酸ナトリウム 1.5
ジパルミチン酸アスコルビル 0.1
酢酸DL-α-トコフェロール 0.1
アセチル化ヒアルロン酸ナトリウム 0.1
パラオキシ安息香酸エステル 適量
フェノキシエタノール 適量
ベンガラ被覆雲母チタン 0.5
デキストリン脂肪酸被覆黄酸化鉄 2
デキストリン脂肪酸被覆黒酸化鉄 0.2
球状ナイロン末 1
精製水 残余
合計 100.00
成分 配合量(質量%)
デカメチルシクロペンタシロキサン 10
ドデカメチルシクロヘキサシロキサン 20
トリメチルシロキシケイ酸 1
ポリ(オキシエチレン・オキシプロピレン)メチルポリシロキサン共重合体
3
エタノール 10
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.3
イソステアリン酸 0.5
アルキル変性シリコン樹脂被覆酸化チタン 10
パルミチン酸デキストリン被覆酸化チタン 5
パルミチン酸デキストリン被覆タルク 5
針状微粒子酸化チタン 1
球状無水ケイ酸 5
無水ケイ酸被覆マイカ 適量
クエン酸ナトリウム 適量
N-ラウロイル-L-リジン 0.5
酢酸DL-α-トコフェロール 0.1
D-δ-トコフェロール 0.1
クララエキス 1
パルミチン酸デキストリン被覆ベンガラ 適量
パルミチン酸デキストリン被覆黄酸化鉄 適量
パルミチン酸デキストリン被覆黒酸化鉄 適量
メリロートエキス 2
精製水 残余
合計 100.00
成分 配合量(質量%)
ジメチルポリシロキサン 6mPas 5
デカメチルシクロペンタシロキサン 25
ポリオキシエチレン・メチルポリシロキサン共重合体 3
グリセリン 1
1,3-ブチレングリコール 5
キシリット 0.5
分子量制御ポリアクリル酸ナトリウム(製造例1) 1
イソステアリン酸 0.5
アルキル変性シリコン樹脂被覆無水ケイ酸 2
タルク 0.5
ステアリン酸アルミニウム 1
ベンガラ被覆雲母チタン 0.1
ヘキサメタリン酸ナトリウム 0.05
グリチルリチン酸ジカリウム 0.1
L-セリン 0.1
オトギリソウエキス 0.1
酢酸DL-α-トコフェロール 0.2
チオタウリン 0.1
トゲナシエキス 0.1
シャクヤクエキス 0.1
アセチル化ヒアルロン酸ナトリウム 0.1
ユキノシタエキス 0.1
パラオキシ安息香酸エステル 適量
フェノキシエタノール 適量
パルミチン酸デキストリン被覆黄酸化鉄 0.1
ジメチルジステアリルアンモニウムヘクトライト 1
トリメチルシロキシケイ酸 1.5
球状無水ケイ酸 1
球状ポリエチレン末 5
香料 適量
精製水 残余
合計 100.00
成分 配合量(質量%)
ジメチルポリシロキサン 6mPas 5
デカメチルシクロペンタシロキサン 30
ポリオキシエチレン・メチルポリシロキサン共重合体 3
ドデカメチルシクロヘキサシロキサン 1
グリセリン 5
ジプロピレングリコール 5
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.02
セージ油 0.1
タルク 0.1
雲母チタン 0.1
架橋型シリコーン末(トレフィルE-506) 3
ポリメチルシルセスキオキサン粉末 10
酢酸トコフェロール 0.1
δ-トコフェロール 0.1
チオタウリン 0.1
西洋ハッカエキス 0.1
パラオキシ安息香酸エステル 適量
フェノキシエタノール 適量
エデト酸3ナトリウム 適量
有色顔料 適量
ジメチルジステアリルアンモニウムヘクトライト 1.5
精製水 残余
合計 100.00
成分 配合量(質量%)
ジメチルポリシロキサン 2
デカメチルシクロペンタシロキサン 15
ポリオキシエチレン・メチルポリシロキサン共重合体 3
グリセリン 5
1,3-ブチレングリコール 6
D-マンニット 1
分子量制御ポリアクリル酸ナトリウム(製造例1) 0.5
スクワラン 0.5
デキストリン脂肪酸被覆酸化チタン 10
デキストリン脂肪酸被覆タルク 10
球状ポリメチルシルセスキオキサン粉末 0.1
ベンガラ被覆雲母チタン 0.5
L-グルタミン酸ナトリウム 2
野ばらエキス 0.1
フェノキシエタノール 適量
ベンガラ被覆雲母チタン 0.5
デキストリン脂肪酸被覆黄酸化鉄 1.5
デキストリン脂肪酸被覆黒酸化鉄 0.5
精製水 残余
合計 100.00
Claims (4)
- 下記成分(a)~(d);
(a)ポリアクリル酸、ポリアクリル酸の塩、ポリ(2-アクリルアミド-2-メチルプロパンスルホン酸)、及びポリ(2-アクリルアミド-2-メチルプロパンスルホン酸)の塩からなる群より選ばれる1以上のポリマーであって、
重量平均分子量が100万~400万であり、且つ、
1質量%水溶液としたときの25℃における粘度が1Pa・s以下であるポリマー、
(b)成分(a)以外の水相成分
(c)油性成分を60質量%以下
(d)乳化剤
を含むことを特徴とする油中水型乳化化粧料。 - 成分(a)の含有量が0.005%~2%である、請求項1に記載の油中水型乳化化粧料。
- 前記成分(a)の重量平均分子量が150万~400万である、請求項1または2に記載の油中水型乳化化粧料。
- さらに、成分(e)疎水化処理粉体を含むことを特徴とする、請求項1-3のいずれかに記載の油中水型乳化化粧料。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/275,814 US20220047470A1 (en) | 2018-09-14 | 2019-09-06 | Water-in-oil emulsified cosmetic composition |
| CN201980059276.8A CN112672729A (zh) | 2018-09-14 | 2019-09-06 | 油包水型乳化化妆品 |
| EP19859650.4A EP3854378A4 (en) | 2018-09-14 | 2019-09-06 | Water-in-oil emulsion cosmetic composition |
| JP2020545978A JP7485607B2 (ja) | 2018-09-14 | 2019-09-06 | 油中水型乳化化粧料 |
| US18/217,346 US20230338244A1 (en) | 2018-09-14 | 2023-06-30 | Water-in-oil emulsified cosmetic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018173046 | 2018-09-14 | ||
| JP2018-173046 | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17/275,814 A-371-Of-International US20220047470A1 (en) | 2018-09-14 | 2019-09-06 | Water-in-oil emulsified cosmetic composition |
| US18/217,346 Continuation US20230338244A1 (en) | 2018-09-14 | 2023-06-30 | Water-in-oil emulsified cosmetic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020054590A1 true WO2020054590A1 (ja) | 2020-03-19 |
Family
ID=69777618
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2019/035123 Ceased WO2020054590A1 (ja) | 2018-09-14 | 2019-09-06 | 油中水型乳化化粧料 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US20220047470A1 (ja) |
| EP (1) | EP3854378A4 (ja) |
| JP (1) | JP7485607B2 (ja) |
| CN (1) | CN112672729A (ja) |
| TW (1) | TWI818076B (ja) |
| WO (1) | WO2020054590A1 (ja) |
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| JPWO2021215211A1 (ja) * | 2020-04-24 | 2021-10-28 | ||
| JP2022042211A (ja) * | 2020-09-02 | 2022-03-14 | 株式会社 ナチュラル | 化粧用組成物 |
| JP2022167085A (ja) * | 2021-04-22 | 2022-11-04 | ポーラ化成工業株式会社 | W/o型乳化組成物 |
| JP2022167084A (ja) * | 2021-04-22 | 2022-11-04 | ポーラ化成工業株式会社 | W/o型乳化組成物 |
| JP2022167086A (ja) * | 2021-04-22 | 2022-11-04 | ポーラ化成工業株式会社 | W/o型乳化組成物 |
| CN116322629A (zh) * | 2020-10-21 | 2023-06-23 | 株式会社资生堂 | 油包水型组合物 |
| JP7346642B1 (ja) | 2022-03-23 | 2023-09-19 | 株式会社ナリス化粧品 | 2層分離型粉体含有水性化粧料 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20250186325A1 (en) | 2023-12-11 | 2025-06-12 | Shiseido Company, Ltd. | Compositions of ascorbic acid salts |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3854378A4 (en) | 2022-07-20 |
| US20230338244A1 (en) | 2023-10-26 |
| EP3854378A1 (en) | 2021-07-28 |
| US20220047470A1 (en) | 2022-02-17 |
| JP7485607B2 (ja) | 2024-05-16 |
| CN112672729A (zh) | 2021-04-16 |
| JPWO2020054590A1 (ja) | 2021-08-30 |
| TWI818076B (zh) | 2023-10-11 |
| TW202021570A (zh) | 2020-06-16 |
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