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
  • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
  • A61K8/25—Silicon; Compounds thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/34—Alcohols
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
• • 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
  • A61K8/89—Polysiloxanes
• • 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
  • A61K8/89—Polysiloxanes
  • A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
  • A61K8/894—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
• • 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
  • A61Q19/02—Preparations for care of the skin for chemically bleaching or whitening the skin

Definitions

• the present invention relates to a warm cosmetic that gives a warm feeling when applied to the skin. More specifically, the present invention relates to a water-in-oil warm cosmetic material having excellent emulsification stability and exhibiting a cosmetic effect and having a good feeling of use.
• exothermic substances are blended in cosmetics.
• humectants such as polyhydric alcohols, zeolite, metal salts or metal oxides are widely used. All of these are hygroscopic and generate heat when in contact with moisture on the skin, thereby bringing warmth to the skin.
• Patent Document 1 a moderate viscosity and an excellent warm feeling-imparting effect can be obtained. Therefore, a warm cosmetic composition obtained by emulsifying a polyhydric alcohol with a specific nonionic surfactant to form an oil in a polyhydric alcohol. Fees have been proposed. Further, Patent Document 2 proposes that a highly exothermic zeolite is dispersed in a polyhydric alcohol solvent to enhance the warmth imparting effect. As described above, various bases have been proposed as warming cosmetics. However, the cosmetics of Patent Document 1 are oil-in-water bases, and the polyhydric alcohol directly touches the skin. high. For this reason, it is a rinse-off type cleaning material that is applied to the skin and washed off after a lapse of a certain time. Moreover, although the cosmetic of patent document 2 is a leave-on type, since it is non-aqueous, it is difficult to mix
• JP 2014-37404 A Japanese Unexamined Patent Publication No. 2016-193841
• An object of the present invention is to provide a water-in-oil warm sensation cosmetic that exhibits an excellent warm feeling-imparting effect and has a good feeling of use and is excellent in storage stability.
• the above object can be achieved by blending a polyhydric alcohol, an oil phase thickener, an emulsifier and water, and the present invention has been completed. That is, the present invention Polyhydric alcohol, Oil phase thickener, A water-in-oil warm cosmetic composition containing an emulsifier and water is characterized.
• the warm cosmetic composition of the present invention exhibits an excellent warm feeling imparting effect and is also excellent in emulsion stability.
• the warm cosmetic of the present invention is a water-in-oil warm cosmetic that prevents the polyhydric alcohol from directly touching the skin, the moisturizer (polyhydric alcohol) is highly blended. However, stickiness is suppressed as compared with conventional oil-in-water type or polyhydric alcohol-in-oil type warm-sensitive cosmetics. Therefore, the warm cosmetic composition of the present invention can be used as a leave-on type warm cosmetic base. Further, since water can be blended, a salt-type drug having a cosmetic effect such as a whitening component can be blended.
• the warm cosmetic composition of the present invention is characterized by containing polyhydric alcohol, an oil phase thickener, an emulsifier and water as essential components.
• polyhydric alcohol an oil phase thickener
• emulsifier an emulsifier
• the polyhydric alcohol used in the warming cosmetic composition of the present invention refers to one that imparts warmth when applied to the skin.
• Specific examples include, but are not limited to, glycerin, diglycerin, polyglycerin, 1,3-butylene glycol, ethylene glycol, propylene glycol, dipropylene glycol, polyethylene glycol (eg PEG-8), polypropylene glycol, polyethylene glycol.
• -Polypropylene glycol methyl glutes-10, trimethylolethane, trimethylolpropane, erythritol, pentaerythritol, sorbitan, glucose, sorbitol, maltitol, sucrose, raffinose, hexylene glycol, 1,2-pentanediol, trehalose, etc. Can do.
• the blending of polyhydric alcohol produces a warm feeling effect that leads to bright and bloody skin, and at the same time prevents makeup from breaking down due to its high moisturizing effect.
• the blending amount of the polyhydric alcohol in the cosmetic of the present invention is 20% by mass or more, preferably 20 to 80% by mass, more preferably 30 to 70% by mass with respect to the total amount of the cosmetic.
• the blending amount of the polyhydric alcohol is less than 20% by mass, the warm feeling during use cannot be obtained sufficiently.
• the oil phase thickener used in the warm cosmetic composition of the present invention refers to one that can impart viscosity to the oil phase.
• examples include emulsifiable or non-emulsifiable cross-linked siloxane elastomers, dextrin fatty acid esters, hydrophobized modified polysaccharides, fatty acids, waxes and the like.
• the non-emulsifying crosslinkable siloxane elastomer is not particularly limited, but is methylpolysiloxane crosspolymer, methylphenylpolysiloxane crosspolymer, vinyl dimethicone / lauryl dimethicone crosspolymer, lauryl polydimethylsiloxyethyl dimethicone / bis-vinyl.
• Examples include dimethicone cross polymer, alkyl (C30-45) cetearyl dimethicone cross polymer, cetearyl dimethicone cross polymer, and the like.
• non-emulsifiable cross-linkable siloxane elastomers those commercially available in the form of swollen matter swollen in various oils such as silicone oil, mineral oil, triethylhexanoin, squalane and the like can be used. Specific examples include the following.
• methylpolysiloxane crosspolymer examples include 9040 silicone elastomer blend, 9041 silicone elastomer blend, 9045 silicone elastomer blend, EL-8040ID silicone organic blend (above, manufactured by Toray Dow Corning), KSG-15, Dimethicone / vinyl dimethicone crosspolymer such as KSG-16, KSG-1610 (manufactured by Shin-Etsu Chemical Co., Ltd.), vinyl dimethicone / methicone silsesquioxane crosspolymer such as KSP-100 (manufactured by Shin-Etsu Chemical Co., Ltd.), Tospearl 150KA And polymethylsilsesquioxane such as Momentive Performance Materials.
• KSG-15 Dimethicone / vinyl dimethicone crosspolymer such as KSG-16, KSG-1610 (manufactured by Shin-Etsu Chemical Co., Ltd.), vinyl dimethicone / methi
• methylphenylpolysiloxane crosspolymer examples include dimethicone / phenyldimethicone crosspolymer such as KSG-18A (dimethicone / phenylvinyldimethicone crosspolymer, manufactured by Shin-Etsu Chemical Co., Ltd.).
• Examples of the vinyl dimethicone / lauryl dimethicone cross polymer include KSG-41A, KSG-42A, KSG-43, KSG-44 (manufactured by Shin-Etsu Chemical Co., Ltd.) and the like.
• Examples of swelled products of lauryl polydimethylsiloxyethyl dimethicone / bis-vinyl dimethicone crosspolymer include KSG-042Z and KSG-045Z (manufactured by Shin-Etsu Chemical Co., Ltd.).
• alkyl (C30-45) cetearyl dimethicone crosspolymer examples include VELVESIL 125, VELVESIL 034 (manufactured by Momentive Performance Materials).
• cetearyl dimethicone crosspolymer examples include VELVESIL DM (manufactured by Momentive Performance Materials).
• the blending amount of the oil phase thickener in the cosmetic of the present invention is more than 1.25% by mass and not more than 15% by mass, preferably 1.26-12% by mass, more preferably 1%, based on the total amount of the cosmetic. 27 to 10% by mass, more preferably 1.28 to 10% by mass.
• the blending amount of the oil phase thickener is 1.25% by mass or less, the emulsion stability tends to be inferior or the usability tends to be inferior.
• the blending amount exceeds 15% by mass, a stable cosmetic is prepared. Can be difficult.
• oil phase thickener of the present invention one or a combination of two or more selected from the non-emulsifiable cross-linked siloxane elastomers can be used.
• the emulsifier used in the warm cosmetic composition of the present invention is relatively high in lipophilicity and can exhibit an emulsion stabilizing effect of an aqueous component and an oil component that are highly blended with a polyhydric alcohol.
• a polyether-modified silicone or an organic-modified clay mineral having specific properties is preferably used.
• the polyether-modified silicone having the specific properties used as the emulsifier of the present invention has an HLB of 8.0 or less and a viscosity at 25 ° C. of 10,000 mm 2 / s or more, preferably 15, 000 mm 2 / s or more, and still more preferably 20,000 mm 2 / s or more. When the viscosity is less than 10,000 mm 2 / s, good emulsification stability cannot be obtained.
• the organically modified clay mineral used in the present invention is a kind of colloidal hydrous aluminum silicate having a three-layer structure, and a clay mineral represented by the following general formula (1) is converted to a quaternary ammonium salt type cationic surfactant.
• Those modified with can be used.
• X is Al, Fe (III), Mn (III) or Cr (III)
• Y is Mg, Fe (II), Ni, Zn or Li
• Z K, Na or Ca. is there.
• natural or synthetic montmorillonite such as montmorillonite, saponite, hectorite (in this case, (OH) group in the formula is replaced with fluorine) (commercially available products such as beegum, kunipia, laponite) and It is obtained by treating clay minerals such as sodium silicic mica, synthetic mica known as sodium or lithium teniolite (commercially available products such as Daimonite; manufactured by Topy Industries, Ltd.) with quaternary ammonium salt type cationic surfactants. It is done.
• the quaternary ammonium salt type cationic surfactant used here is represented by the following general formula (2).
• R 1 is an alkyl group or benzyl group having 10 to 22 carbon atoms
• R 2 is a methyl group or an alkyl group having 10 to 22 carbon atoms
• R 3 and R 4 are alkyl groups or hydroxyalkyl having 1 to 3 carbon atoms
• the group X represents a halogen atom or a methyl sulfate residue.
• Examples of the quaternary ammonium salt type cationic surfactant include dodecyltrimethylammonium chloride, myristyltrimethylammonium chloride, cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, aralkyltrimethylammonium chloride, behenyltrimethylammonium chloride, myristyldimethylethylammonium.
• Chloride cetyldimethylethylammonium chloride, stearyldimethylethylammonium chloride, aralkyldimethylethylammonium chloride, behenyldimethylethylammonium chloride, myristyldiethylmethylammonium chloride, cetyldiethylmethylammonium chloride, stearyldiethylmethylammonium chloride, ara Rudiethylmethylammonium chloride, behenyldiethylmethylammonium chloride, benzyldimethylmyristylammonium chloride, benzyldimethylcetylammonium chloride, benzyldimethylstearylammonium chloride, benzyldimethylbehenylammonium chloride, benzylmethylethylcetylammonium chloride, benzylmethylethylstearylammonium chloride, benzyldi
• organically modified clay minerals include dimethyl distearammonium hectorite (disteadimonium hectorite), dimethylalkylammonium hectorite, benzyldimethylstearylammonium hectorite, distearyldimethylammonium chloride-treated aluminum magnesium silicate Etc. Of these, dimethyl disteammonium hectorite is particularly preferable.
• examples of commercially available products include Benton 27 (benzyldimethylstearyl ammonium chloride-treated hectorite: manufactured by Elementis Japan) and Benton 38VCG (Distearyldimethylammonium chloride-treated hectorite: manufactured by Elementis Japan).
• the blending amount of the emulsifier in the cosmetic of the present invention is 0.1 to 5% by mass, preferably 0.2 to 4% by mass, more preferably 0.4 to 3% by mass with respect to the total amount of the cosmetic. If the blending amount is less than 0.1% by mass, the viscosity is difficult to be obtained and the stability is poor. If the blending amount exceeds 5% by mass, stickiness and powderiness derived from the emulsifier are produced, which is not preferable in terms of usability.
• the warm cosmetic composition of the present invention water (ion-exchanged water, purified water, natural water, etc.) can be blended as an aqueous solvent.
• the amount of water is 0.1 to 10% by mass, or 1 to 10%, from the viewpoint of sufficiently dissolving a drug such as a whitening drug and obtaining a sense of warmth. It is preferable that the content is 1% by mass, more preferably 0.1 to 8% by mass, alternatively 1 to 8% by mass, and even more preferably 1 to 5% by mass.
• the warm-sensitive cosmetics of the present invention contain water, so water-soluble drugs are blended. It is characterized in that it can be
• the whitening agent to be blended is not particularly limited as long as it is a whitening agent blended in ordinary cosmetics.
• ascorbic acid vitamin C
• tranexamic acid kojic acid
• ellagic acid arbutin
• alkoxysalicylic acid And salts or derivatives thereof. More specific examples include 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 and the like.
• 4-methoxysalicylic acid potassium salt is preferably used.
• a drug other than the whitening drug can be blended.
• drugs include vitamin A, vitamin A palmitate, vitamin A derivatives such as vitamin A acetate, vitamin B6 hydrochloride, vitamin B6 tripalmitate, vitamin B6 dioctanoate, vitamin B2 and its derivatives, vitamin B12, vitamin B15 and their Vitamin B such as derivatives, vitamin E such as ⁇ -tocopherol, ⁇ -tocopherol, vitamin E acetate, vitamin D such as vitamin D, vitamin H, pantothenic acid, pantethine; ⁇ -oryzanol, allantoin, glycyrrhizic acid (salt) ), Glycyrrhetinic acid, stearyl glycyrrhetinate, hinokitiol, bisabolol, eucalptone, thymol, inositol, saikosaponin, carrot saponin, hechisaponon, muclodis
• the compounding amount of the agent of the present invention is arbitrarily determined within a compounding amount range that can be dissolved in the warm cosmetic material. From the viewpoint of obtaining a sufficient drug effect in cosmetics, it is preferably 0.5 to 4% by mass, more preferably 1 to 3% by mass.
• the emulsion stability can be further improved by blending a polyether-modified silicone having an HLB of 8.0 or less and a viscosity at 25 ° C. of less than 10,000 mm 2 / s.
• a polyether-modified silicone having an HLB of 8.0 or less and a viscosity at 25 ° C. of less than 10,000 mm 2 / s.
• those having no alkyl chain in the side chain and having a polyoxyalkylene group in the side chain of the linear or branched silicone skeleton are preferred.
• the blending amount of the polyether-modified silicone in the cosmetic of the present invention is 0.1 to 10% by mass or less, preferably 0.3 to 6% by mass, more preferably 1 to 5% by mass relative to the total weight of the cosmetic. is there.
• an oil to the warm cosmetic of the present invention.
• the oil any oil that can be used in ordinary cosmetics can be used without particular limitation.
• linseed oil camellia oil, macadamia nut oil, corn oil, olive oil, avocado oil, sasanqua oil, castor oil, safflower oil, kyounin oil, cinnamon oil, jojoba oil, grape oil, sunflower oil, almond oil, rapeseed oil, Oils such as sesame oil, wheat germ oil, rice germ oil, rice bran oil, cottonseed oil, soybean oil, peanut oil, tea seed oil, evening primrose oil, heptanoic acid, octanoic acid, nonanoic acid, decanoic acid, pentadecanoic acid, heptadecanoic acid Fatty acids such as nonadecanoic acid, isostearic acid, oleic acid, linoleic acid, linolenic acid, arachidonic acid, pentaerythritol tetraoctanoate, cetyl octanoate, hex
• octyl alcohol such as isostearyl alcohol, oleyl alcohol, chain silicones such as dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodeca Mention may be made of cyclic silicones such as methylcyclohexasiloxane or silicone oils such as caprylylmethicone.
• a plurality of the above oil components may be combined and blended.
• the blending amount of the oil is 10 to 50% by mass, more preferably 15 to 40% by mass, and more preferably 15 to 35% by mass with respect to the total amount of the cosmetic. If the oil content is less than 10% by mass, emulsification is difficult due to the small amount of the outer oil phase, and lightness at the time of application to the skin and good spread cannot be obtained. Then, since there is little inner water phase, a viscosity is hard to come out and stability may be impaired.
• the warm sensation cosmetics of the present invention include other components usually used in cosmetics within a range not impairing the effects of the present invention, such as powder components, UV protection agents, various aqueous solvents, A sticking agent, a sequestering agent, a sugar, an amino acid, an organic amine, a pH adjuster, a stabilizer, a skin nutrient, an antioxidant, an antioxidant aid, a fragrance and the like can be appropriately blended as necessary.
• the average emulsified particle diameter of the water droplets constituting the warm cosmetic of the present invention is preferably 10 ⁇ m or less, more preferably 5 ⁇ m or less. By reducing the average emulsified particle diameter of the water droplets, the emulsion stability is excellent.
• the warm cosmetic of the present invention has a hardness of 6 or more, preferably 8 or more, more preferably 10 or more, measured at 25 ° C. using a rheometer (11.3 mm ⁇ , 10 mm penetration).
• a balm may be used in combination with wax.
• the emulsified cosmetic of the present invention having such hardness is excellent in stability, and for example, when filled in a jar container, it retains an appropriate hardness without flowing.
• the warm sensation cosmetic according to the present invention is a single layer type.
• the warming cosmetic composition according to the present invention has good emulsification stability even when a water-soluble drug is blended, and it has no stickiness despite having a high blending of a moisturizing agent.
• the warm cosmetics according to the present invention can be widely applied to cosmetics, for example, milky lotion, cosmetic liquid, cream, massage cosmetics, sunscreen cosmetics, makeup base, foundation, lipstick, blusher. It can be provided in any form such as eye shadow.
• the warm cosmetic composition of the present invention can be produced by a conventional method.
• a water phase component and an oil phase component are respectively stirred and mixed to prepare a uniform water phase portion and an oil phase portion, and the water phase portion is added to the oil phase portion and stirred and mixed.
• Warm sensation effect An actual use test was carried out on the prepared samples by 10 professional panelists. Specifically, the prepared sample was applied to the face of each paneler, and the warm feeling was evaluated according to the following criteria. ⁇ Evaluation criteria> A: Eight or more professional panelists recognized that there was a warm feeling effect. B: 5 or more and less than 8 professional panelists recognized that there was a warm feeling effect. C: 3 or more and less than 5 professional panelists recognized that there was a warm feeling effect. D: Less than 3 professional panelists recognized that there was a warm feeling effect.
• Hardness “hardness” in the above was measured using a rheometer (manufactured by Fudo Kogyo Co., Ltd.) under the conditions of needle diameter: 11.3 mm ⁇ , penetration distance: 10 mm, and measurement temperature: 25 ° C.
• the composition containing the humectant, the oil phase thickener and the emulsifier according to the present invention has a sufficient warming effect and is excellent in emulsion stability. There was no stickiness and the usability was good. Further, in the compositions of Examples 2 to 8, a whitening agent could be stably blended.

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• 2019
  • 2019-05-24 WO PCT/JP2019/020584 patent/WO2019230578A1/ja active Application Filing
  • 2019-05-24 CN CN201980035277.9A patent/CN112165928A/zh active Pending
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