WO2021020135A1 - 化粧料の製造方法、及び化粧料 - Google Patents

化粧料の製造方法、及び化粧料 Download PDF

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Publication number
WO2021020135A1
WO2021020135A1 PCT/JP2020/027547 JP2020027547W WO2021020135A1 WO 2021020135 A1 WO2021020135 A1 WO 2021020135A1 JP 2020027547 W JP2020027547 W JP 2020027547W WO 2021020135 A1 WO2021020135 A1 WO 2021020135A1
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Prior art keywords
component
cosmetic
powder
water
weight
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Ceased
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PCT/JP2020/027547
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English (en)
French (fr)
Japanese (ja)
Inventor
長谷川　幸夫
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Miyoshi Kasei Inc
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Miyoshi Kasei Inc
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Priority to EP20846916.3A priority Critical patent/EP4005640A4/en
Priority to US17/631,677 priority patent/US20220273532A1/en
Priority to JP2021536923A priority patent/JP7376147B2/ja
Priority to CN202080054857.5A priority patent/CN114144165A/zh
Publication of WO2021020135A1 publication Critical patent/WO2021020135A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Definitions

  • the present invention is based on the priority claim of Japanese patent application: Japanese Patent Application No. 2019-140666 (filed on July 31, 2019), and all the contents of the application are incorporated in this document by citation. Shall be.
  • the present invention is hydrophilic, which is a monoether compound of a branched higher alcohol having 12 to 20 carbon atoms and a polyoxyethylene group as a component (A) in the production of cosmetics containing 1% by weight or more of water and hydrophobic powder, respectively.
  • the present invention relates to a method for producing a cosmetic, which comprises a step of mixing a sex nonionic surfactant and a component (B) water and then mixing a component (C) a hydrophobic powder.
  • the present invention relates to a hydrophilic nonionic surfactant which is a monoether compound of component (A) a branched higher alcohol having 14 to 20 carbon atoms and 5 to 20 mol of ethylene oxide, component (B) water, and component ( C)
  • the present invention relates to a method for producing a cosmetic containing 0.1% by weight or more of each of hydrophobic powders.
  • components having contradictory properties of water and hydrophobic powder can be blended in a cosmetic, and a cosmetic effect and makeup that can obtain a fresh feeling of use, an excellent feeling of use of hydrophobic powder, and a uniform finish. It is possible to provide a long-lasting cosmetic product.
  • the hydrophobic powder is a powder that repels water, and even if water and the hydrophobic powder are mixed, not only are they not dispersed, but also the hydrophobic powder particles are aggregated due to the hydrophobic interaction.
  • various techniques for blending hydrophobic powder with aqueous cosmetics have been disclosed. (Patent Documents 1 to 3) Further, a technique for blending water with a powder foundation is also disclosed. (Patent Document 4)
  • the present invention has been made in view of the above-mentioned problems, and is a hydrophilic nonionic surfactant which is a monoether compound of a branched higher alcohol having 12 to 20 carbon atoms and a polyoxyethylene group as a component (A).
  • a cosmetic using a method for producing a cosmetic which includes a step of mixing the component (B) with water and then mixing the component (C) hydrophobic powder, has a fresh feeling and an excellent feeling of use of the hydrophobic powder. It has been found that color development, transparency, ultraviolet shielding ability, etc. can be further improved.
  • component (A) a hydrophilic nonionic surfactant which is a monoether compound of a branched higher alcohol having 14 to 20 carbon atoms and 5 to 20 mol of ethylene oxide
  • component (B) water and component (C) hydrophobicity
  • a method for producing a cosmetic which comprises a step of mixing the component (A) and the component (B) in a cosmetic containing 0.1% by weight or more of each powder, and then mixing and dispersing the component (C).
  • a cosmetic using any of the methods for producing cosmetics which includes a step of mixing or contacting the component (A) and the component (C) and then adding the component (A) to the component (B) for mixing and dispersing, is used freshly. It has been found that it is possible to further improve the feeling, excellent usability and color development of hydrophobic powder, transparent texture, ultraviolet shielding ability, and the like.
  • a method for producing a cosmetic including a step of mixing a hydrophilic nonionic surfactant which is a monoether compound with a polyoxyethylene group and a component (B) water, and then mixing a component (C) a hydrophobic powder.
  • component (A) a hydrophilic nonionic surfactant which is a monoether compound of a branched higher alcohol having 14 to 20 carbon atoms and 5 to 20 mol of ethylene oxide
  • component (B) water and component (C) hydrophobicity
  • Production of cosmetics including a step of mixing the component (A) and the component (B) in a cosmetic containing a cosmetic containing 0.1% by weight or more of powder, and then mixing and dispersing the component (C).
  • a method, or a method for producing a cosmetic which comprises a step of mixing or contacting the component (A) and the component (C) and then adding the component (A) to the component (B) to mix and disperse.
  • the component (B) water contains less than 50% by weight of polyol.
  • the component (B) contains 10% by weight or less of a component other than ethyl alcohol or polyhydric alcohol which is miscible or solubilized in the component (B).
  • the component (B) contains a polyhydric alcohol in an amount of 50% by weight or less.
  • a component other than ethyl alcohol or polyhydric alcohol to be miscible or solubilized in the component (B) is contained in the component (B) in an amount of 10% by weight or less, and the polyhydric alcohol is further contained in the component (B). It is preferably contained in an amount of 50% by weight or less.
  • the component of the component (C) is an organic powder.
  • the component of the component (C) is a hydrophobic inorganic powder.
  • the component of the component (A) is a monoether compound of a branched higher alcohol having 14 to 20 carbon atoms and a polyoxyethylene group.
  • the component (A) is a monoether compound of a branched higher alcohol having 16 to 20 carbon atoms and 10 to 20 mol of ethylene oxide.
  • the cosmetic obtained by the manufacturing method of the first viewpoint described above is provided.
  • the component (A) is an ether compound of a branched higher alcohol having 12 to 20 carbon atoms and a polyoxyethylene group.
  • the component (C) hydrophobic powder is mixed. Cosmetics using the method for producing cosmetics including this step can further improve the fresh feeling of use, the excellent feeling of use of hydrophobic powder, color development, transparency, ultraviolet shielding ability and the like.
  • component (A) a hydrophilic nonionic surfactant which is a monoether compound of a branched higher alcohol having 14 to 20 carbon atoms and 5 to 20 mol of ethylene oxide
  • component (B) water and component (C) hydrophobicity
  • a method for producing a cosmetic which comprises a step of mixing the component (A) and the component (B) in a cosmetic containing 0.1% by weight or more of each powder, and then mixing and dispersing the component (C).
  • a cosmetic using any of the methods for producing cosmetics which includes a step of mixing or contacting the component (A) and the component (C) and then adding the component (A) to the component (B) to mix and disperse, is used freshly. It is possible to further improve the feeling, excellent usability and color development of the hydrophobic powder, transparent texture, ultraviolet shielding ability, and the like.
  • the specific hydrophilic surfactant used in the present invention means a nonionic surfactant having a hydrophobic moiety based on a branched higher alcohol and a hydrophilic moiety based on a polyoxyethylene group, and particularly has a carbon number of carbons.
  • an ether compound of a branched higher alcohol having 16 to 20 carbon atoms and 5 to 20 moles of ethylene oxide (hereinafter, a polymer of ethylene oxide is referred to as POE and an addition molar number is referred to as POE (5)).
  • POE polymer of ethylene oxide
  • POE (5) an addition molar number
  • the dispersibility in the aqueous phase also deteriorates.
  • the number of moles of ethylene oxide added is smaller than 5 and larger than 20, the dispersibility of the hydrophobic powder in water or the aqueous phase tends to be inferior.
  • the carbon chain is a saturated or unsaturated linear type, the dispersibility of the hydrophobic powder in water or an aqueous phase is significantly deteriorated.
  • the specific hydrophilic nonionic surfactant referred to in the present invention can easily and uniformly mix and disperse hydrophobic powder in water or an aqueous phase, it can be added to conventional cosmetics in the manufacturing process of cosmetics. Fees can be evolved.
  • the hydrophilicity of the hydrophilic nonionic surfactant of the present invention is preferably in the range of 8 to 16 in HLB.
  • the hydrophilic nonionic surfactant referred to in the present invention is an essential component for easily and stably mixing water and hydrophobic powder to obtain a mixture.
  • Nonion IS-205 POE-5 isostearyl ether
  • Nonion IS-210 POE-10 isostearyl ether
  • Nonion IS-215 POE-15 isostearyl ether
  • Nonion IS-220 POE-20 isostearyl ether
  • Nonion OD-220 POE-20 octyldodecyl ether
  • EMALEX1605 (POE-5 hexyl decyl ether), EMALEEX 1610 (POE-10 hexyl decyl ether), EMALEX 1615 (POE-15 hexyl decyl ether) EMALEEX 1805 (POE-5 isostearyl ether) EMALEEX 1810 (POE-10 isostearyl ether) ), EMALEX 1815 (POE-15 isostearyl ether), Emulex OD-20 (POE-20 octyldodecanol ether) and the like.
  • Component (B) water The water referred to in the present invention is ion-exchanged water, distilled water, or the like that can be used in cosmetics.
  • a system containing at least an alcohol component compatible with water can be used in addition to the main component of water.
  • the aqueous solvent is a solvent containing water as a main component and at least alcohols.
  • Alcohol components include ethanol, benzyl alcohol, phenoxyethanol, propylene glycol, dipropylene glycol, 1,3 butylene glycol, polyethylene glycol, glycerin, diglycerin, polyglycerin, hexylglycerin, cyclohexylglycerin, trimethylolpropane, xylitol, and erythritol. , Trehalose, sorbitol and the like. One or more of these components can be blended.
  • the aqueous solvent may be simply referred to as "water”.
  • a component other than ethyl alcohol or polyhydric alcohol that is mixed or solubilized in water that is, as a component in the aqueous phase, an ultraviolet absorber, a water-soluble polymer, an organic thickener, an inorganic thickener, a swelling agent, and a moisturizer Agents, emollients, antibacterial agents, preservatives, fragrances, salts, antioxidants, pH regulators, chelating agents, refreshing agents, anti-inflammatory agents, skin-beautifying ingredients, skin astringents, vitamins, amino acids, etc. .. These components are preferably contained in the water of the component (B) in an amount of 10% by weight or less.
  • Miscibility means that water and other components are dissolved or mixed, and the other components may be in a liquid state or a solid state at room temperature.
  • Solubilization refers to a state in which components that are originally immiscible in water are transparently dissolved in water due to the presence of a hydrophilic surfactant.
  • polyhydric alcohols contained in the aqueous phase in the component (B) in an amount of 50% by weight or less pentanediol, hexanediol, propylene glycol, dipropylene glycol, 1,3 butylene glycol, polyethylene glycol, glycerin and diglycerin , Polyglycerin, hexylglycerin, cyclohexylglycerin, trimethylolpropane, xylitol, erythritol, trehalose, sorbitol and the like. One or more of these components can be blended.
  • the polyhydric alcohol is preferably one or more selected from dipropylene glycol, 1,3 butylene glycol, and glycerin.
  • a component other than ethyl alcohol or polyhydric alcohol that is miscible or compatible with the component (B) is contained in the component (B) in an amount of 10% by weight or less, and the polyhydric alcohol is further contained in the component (B).
  • An aqueous phase contained in an amount of 50% by weight or less can also be mentioned.
  • the hydrophobic powder of the present invention has poor dispersibility in the aqueous phase, and the characteristics of the hydrophobic powder tend not to be exhibited in cosmetics. is there.
  • aqueous solvent examples include water-soluble UV absorbers, water-soluble polymers, water-soluble thickeners, water-soluble swelling agents, moisturizers, antibacterial preservatives, fragrances, salts, antioxidants, pH adjusters, and chelate.
  • Agents, cooling agents, anti-inflammatory agents, skin-beautifying ingredients, skin astringents, vitamins, amino acids, etc. can be blended.
  • the hydrophobic powder used in the present invention is an organic powder having hydrophobicity or a hydrophobic inorganic powder coated with an organic surface treatment agent.
  • Organic powders include alkyl (meth) acrylate powder, polyethylene powder, polypropylene powder, polystyrene powder, polyethylene terephthalate powder, polytetrafluoroethylene powder, polyurethane powder, polylactic acid powder, nylon 12 powder, octanoyl lysine, and lauroyl.
  • organic resin powders such as lysine, silicone elastomer powders, silicone powders such as polymethylsilsesquioxane, and metal soap powders such as calcium stearate, zinc stearate, and magnesium stearate.
  • the average particle size is in the range of 0.1 to 500 ⁇ m.
  • the particle shape may be spherical, hemispherical, flaky, needle-shaped, amorphous, or any other shape.
  • carbon black, hydrophobized cellulose powder, starch powder and the like can also be mentioned as organic powders.
  • the hydrophobic organic powders generally available in the present invention include, for example, KSP-100, KSP-101, KSP-102, KSP-105, KSP- from Shin-Etsu Chemical Co., Ltd. as silicone powders.
  • the trade names of 300, KSP-411, KSP-441, KMP-590, and KMP-591 can be mentioned.
  • polyethylene terephthalate powder the trade names of Snow Leaf P and Snow Leaf PF, as polyurethane powder, the trade name of DAIMIC BEAZ from Dainichi Seika Co., Ltd., and as metal soap powder, calcium stearate S and Aurablite from Nikko Co., Ltd.
  • NC The trade names of NC, Aulabrite NM, and Zincstearate S are as amino acid powders
  • lauroyl lysine is the trade name of Amihope LL
  • caproyl lysine is the trade name of Amihope OL.
  • carbon black a trade name of C47-2222 SunCROMA D & C Black 2 can be mentioned.
  • organic surface treatment agent for the hydrophobic inorganic powder coated with the organic surface treatment agent in the present invention examples include silicone compounds, alkylsilanes, alkyl titanates, polyethylenes, acylated amino acids, fatty acids, lecithin, ester oils, fructo-oligosaccharides, and the like. Examples thereof include one or more compounds selected from acrylic polymers and urethane polymers. In addition, alkyl phosphoric acid and the like may be included in the options of the organic surface treatment agent.
  • silicone compound used in the present invention examples include methylhydrogenpolysiloxane (Shinetsu Chemical Industry Co., Ltd .: KF99P, KF9901, X-24-9171, X-24-9221, etc.), dimethiconol, and one-terminal alkoxysilyldimethylpolysiloxane.
  • Cyclic methylhydrogen silicones such as trimethylsiloxysilicic acid and tetrahydrotetramethylcyclotetrasiloxane, acrylic silicones, silicone acrylics, amino-modified silicones, carboxy-modified silicones, phosphate-modified silicones and the like can also be used.
  • KF-9908 triethoxysilylethyl polydimethylsiloxyethyl dimethicone
  • KF-9909 triethoxysilylethyl polydimethylsiloxyethyl hexyl dimethicone
  • alkylsilane used in the present invention examples include alkylalkoxylanes.
  • Examples of the length of the alkyl chain include 1 to 18 carbon atoms, and specific examples thereof include methyltriethoxysilane, octyltriethoxysilane, octadecyltriethoxysilane, and aminopropyltriethoxysilane.
  • examples of the alkylsilane include hexyltriethoxysilane.
  • the organic titanate used in the present invention has a Ti (OR 1 ) 4 structure as a basic skeleton, and R 1 is independent of each other and is an alkyl group or an organic carbonyl group.
  • R 1 is independent of each other and is an alkyl group or an organic carbonyl group.
  • Examples of commercially available products include isopropyltriisostearoyl titanate (Plenact TTS; Ajinomoto Fine-Techno Co., Ltd.).
  • polyolefin resins such as polyethylene and polypropylene having at least one carboxyl group in the molecule.
  • polyolefin resins such as polyethylene and polypropylene having at least one carboxyl group in the molecule.
  • low molecular weight polyethylene having a molecular weight of 500 to 40,000 and a melting point of 40 ° C. or higher, which is a known compound described in JP-A-63-179972, polyethylene oxide obtained by oxidizing polypropylene, polyethylene oxide, polypropylene oxide, etc. Can be mentioned.
  • the hydrogenated lecithin used in the present invention is a hydrogenated natural lecithin extracted from egg yolk, soybean, corn, rapeseed, sunflower, etc., and a hydrogenated lecithin having an iodine value of 15 or less. Yes, it is a glyceride having a phosphate group.
  • the salt form include water-insoluble hydrogenated lecithin metal salts such as Al, Mg, Ca, Zn, Zr, and Ti. Hydrogenated lecithin may be a preferable example of lecithin used in the present invention.
  • the acylated amino acid used in the present invention is an acylated compound of an amino acid selected from saturated fatty acids having 12 to 18 carbon atoms and aspartic acid, glutamic acid, alanine, glycine, sarcosin, proline, and hydroxyproline, or wheat and starch. It is a total hydrolyzate of plant-derived peptides such as beans, silk peptides, animal-derived peptides, etc., and the carboxyl group of the amino acid is a free form, or K, Na, Fe, Zn, Ca, Mg, Al, Zr, Ti. It does not matter if it is a salt such as.
  • Amisoft CS-11, CS-22, MS-11, HS-11P, HS-21P, etc. which are commercially available from Ajinomoto Co., Inc.
  • Soipon SLP, Soipon SCA, Alanon which are commercially available from Kawaken Fine Chemicals, Inc.
  • Examples thereof include AMP, SEPILIFT DPHP commercially available from SEPPIC of France, and sarcosinate MN commercially available from Nikko Chemical Co., Ltd.
  • These acylated amino acids may be in the form of a composition with a fatty acid.
  • acylated lipoamino acid composition examples include SEPIFEELONE (composition composed of four components of palmitoylproline, palmitoylsarcosine, palmitoylglutamic acid, and palmitic acid) commercially available from SEPPIC.
  • the acidic ester oil used in the present invention is obtained by reacting one or more alcohols having 1 to 36 carbon atoms with one or more carboxylic acids having 1 to 36 carbon atoms.
  • a compound having an acid value of 15 or more and containing an ester compound having a total carbon number of 16 or more is suitable.
  • the fatty acids used in the present invention are linear or branched saturated or unsaturated fatty acids having 12 to 22 carbon atoms, such as lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, and linole.
  • Fatty acids such as acids, palmitic acid, bechenic acid, lignoceric acid, 2-ethylhexanoic acid, isotoridecanic acid, isomyristic acid, isospertic acid, isostearic acid, isobehenic acid, or their Ca, Mg, Zn, Zr, Al, Ti Such as metal salts.
  • the dextrin fatty acid ester and fructooligosaccharide ester used in the present invention can be selected from an ester composed of dextrin or fructooligosaccharide and a fatty acid or a derivative thereof.
  • an ester composed of dextrin or fructooligosaccharide and a fatty acid or a derivative thereof Specifically, for example, Leopard KL, Leopard MKL, Leopard TT, Leopard KE, which are known compounds described in JP-A-5-3844 and JP-A-2002-188024 and are commercially available from Chiba Flour Milling Co., Ltd.
  • Lion TL, Leopard ISK and the like can be mentioned.
  • the acrylic polymer used in the present invention includes a copolymer of one or more monomers composed of acrylic acid or methacrylic acid and alkyl acrylate, and has a cross polymer as INCI name (Acrylate / alkyl acrylate (C10-30)). , (Acrylate / Behenez Methacrylate-25) Copolymer, (Acrylate / Steareth Methacrylate-20) Crosspolymer and the like.
  • the polyurethane polymer used in the present invention is a polymer having a hydrophilic base of a polyurethane skeleton and a hydrophobic portion in the molecule, and is a copolymer (PEG-240 / decyltetradeceth-20 / HDI) copolymer under the INCI name.
  • Adecanol GT-700: ADEKA and bisstearyl PEG / PPG-8 / 6 (SMDI / PEG-400) copolymer (Acpec HU C2002: Sumitomo Seika Co., Ltd.) and the like.
  • alkyl phosphoric acid used in the present invention examples include monoesters, diesters and triesters of long-chain alkyl alcohols and phosphoric acids, and lauryl phosphoric acid, cetyl phosphoric acid and C20-22 phosphoric acid.
  • salts of these alkyl phosphoric acids such as K and Na may be used.
  • the inorganic powder used in the present invention is not particularly limited as long as it is an inorganic powder usually used for cosmetics.
  • sericite natural mica, calcined mica, synthetic mica, synthetic sericite, alumina, mica, talc, kaolin, bentonite, smectite, calcium carbonate, magnesium carbonate, magnesium silicate, aluminum silicate, calcium phosphate, silicic anhydride, Magnesium oxide, barium sulfate, magnesium aluminometasilicate, iron oxide, chromium oxide, titanium oxide, zinc oxide, cerium oxide, aluminum oxide, magnesium oxide, dark blue, ultramarine, calcium carbonate, magnesium carbonate, calcium phosphate, aluminum hydroxide, sulfuric acid Magnesium, silicic acid, aluminum magnesium silicate, calcium silicate, barium silicate, strontium silicate, silicon carbide, metal tungstate, magnesium aluminate, magnesium aluminometasilicate, chlorohydroxyaluminum, clay
  • the production method for obtaining the hydrophobic inorganic powder referred to in the present invention is not particularly limited, and it may be produced by mixing the organic surface treatment and the inorganic powder.
  • the mixing method is not particularly limited, such as a dry method or a wet method, and a mixer capable of uniformly processing may be adopted.
  • a Henschel mixer Henschel mixer
  • a ribbon blender a kneader, an extruder, a disper mixer, a homo mixer, a bead mill and the like can be mentioned.
  • the powder can be obtained by drying with a hot air dryer, a spray dryer, a flash dryer, a conical dryer or the like.
  • the flash dryer may also be referred to as a flash jet dryer.
  • the hydrophobic powder referred to in the present invention is a powder having hydrophobicity.
  • 100 cc of purified water was put in a 200 cc glass beaker, 0.2 g of powder collected on a spatula was dropped on the water surface from a height of 2 cm above the water surface, and then the spatula was used at a rate of twice per second. After stirring 50 times, let stand for 30 seconds.
  • it is preferable that the powder particles are suspended without migrating to the aqueous layer.
  • the component (A) is a hydrophilic nonionic surfactant which is an ether compound of a branched higher alcohol having 12 to 20 carbon atoms and a polyoxyethylene group.
  • This is a method for producing a cosmetic, which comprises a step of mixing the agent and the component (B) water and then mixing the component (C) hydrophobic powder.
  • the present invention relates to a hydrophilic nonionic surfactant which is a monoether compound of component (A) a branched higher alcohol having 16 to 20 carbon atoms and 5 to 20 mol of ethylene oxide, component (B) water, and component (C).
  • a hydrophilic nonionic surfactant which is a monoether compound of component (A) a branched higher alcohol having 16 to 20 carbon atoms and 5 to 20 mol of ethylene oxide, component (B) water, and component (C).
  • a cosmetic containing of mixing the component (A) and the component (B) and then mixing and dispersing the component (C) in a cosmetic containing 0.1% by weight or more of each of the hydrophobic powders.
  • a production method, or a method for producing a cosmetic which comprises a step of mixing or contacting the component (A) and the component (C) and then adding the component (A) to the component (B) to mix and disperse.
  • the hydrophilic nonionic surfactant of the component (A) and the water of the component (B) are mixed.
  • the ratio of the component (A) to the component (B) is not particularly limited and varies depending on the function and effect of the cosmetic to be manufactured.
  • the method for mixing the component (A) and the component (B) is not particularly limited, and a known mixer can be used.
  • a mixer such as a propeller stirrer, a disper mixer, a homomixer, a high-pressure homomixer, a kneader, a heschel mixer (henschel mixer), a V-type mixer, a roll mill, a bead mill, or an extruder can be used.
  • the wettability of the hydrophobic powder tends to be improved and the dispersion time tends to be shortened. ..
  • ethyl alcohol or polyhydric alcohol which is miscible or solubilized in the component (B) as another component in the component (B) as long as the effect of the present invention is not impaired when the component (A) and the component (B) are mixed.
  • the component may be contained in the component (B) in an amount of 10% by weight or less. Further, the component (B) may contain a polyhydric alcohol in an amount of 50% by weight or less.
  • a component other than ethyl alcohol or polyhydric alcohol to be mixed or solubilized in the component (B) and the polyhydric alcohol may be simultaneously contained in an amount of 50% by weight or less. Since polyhydric alcohol lowers the surface tension of water, the affinity of the hydrophobic powder for the aqueous phase is improved, that is, the hydrophobic powder easily enters the aqueous phase, but as the amount of polyhydric alcohol increases, the hydrophobic powder The dispersibility of the body in the aqueous phase tends to deteriorate.
  • the method for mixing or contacting the component (A) and the component (C) is not particularly limited, and a known mixer can be used.
  • a mixer such as a propeller stirrer, a kneader, a Henschel mixer, a V-type mixer, a roll mill, a bead mill, or an extruder can be used.
  • the component (A) and the component (C) are mixed or brought into contact with each other, the component (A) can be charged into the component (B) and mixed / dispersed by a known mixer.
  • 10% by weight of a component (B) other than ethyl alcohol or polyhydric alcohol, which is miscible or solubilized with the component (B) as another component, is added to the component (B) as long as the effect of the present invention is not impaired. It may be contained below.
  • the component (B) may contain a polyhydric alcohol in an amount of 50% by weight or less. Further, a component other than ethyl alcohol or polyhydric alcohol to be mixed or solubilized in the component (B) and the polyhydric alcohol may be simultaneously contained in an amount of 50% by weight or less.
  • the optional component other than ethyl alcohol or polyhydric alcohol that can be blended in the water of the component (B) is not particularly limited, but for example, a thickener, a moisturizer, an oil agent, an ultraviolet absorber, and a pH adjuster other than the above. , Neutralizers, antioxidants, preservatives, chelating agents, emollients, plant extracts, fragrances, pigments, various agents and the like.
  • the component (C) hydrophobic powder is mixed with the mixture of the hydrophilic nonionic surfactant of the component (A) and the water of the component (B).
  • component (A) / component (C) 1/100 to 15/100 (% by weight).
  • the blending amount of the hydrophobic powder and the component (B) varies depending on the form of the cosmetic.
  • the method for producing a cosmetic of the present invention is suitable for blending a hydrophobic powder with an aqueous cosmetic, but it can also be applied to an emulsified cosmetic, an oil-based cosmetic, and a powder-based cosmetic.
  • skin care cosmetics include emollient cream, cold cream, whitening cream, milky lotion, lotion, beauty liquid, pack, carmine lotion, liquid wash pigment, face wash foam, face wash cream, face wash powder, and makeup.
  • Cleansing, body gloss, sunscreen or sun cream or lotion, etc., make-up cosmetics include makeup base, powder foundation, liquid foundation, oily foundation, stick foundation, pressed powder, face powder, white powder, lipstick, lipstick over Hair gloss, hair as hair cosmetics such as coat, lip gloss, concealer, cheek red, eye shadow, eyebrow, eyeliner, mascara, water-based nail enamel, oil-based nail enamel, emulsified nail enamel, enamel top coat, enamel base coat, etc.
  • Creams, hair shampoos, hair rinses, hair coloring, hair brushing agents, etc., antiperspirant cosmetics include creams, lotions, powders, spray-type deodorant products, etc., and others include milky lotions, soaps, bathing agents, perfumes, etc. it can.
  • Examples 1 to 11, Comparative Examples 1 to 4 After adding a hydrophilic surfactant to the aqueous phase having the composition shown in Table 1 below and heating to 60 ° C., the hydrophobic powder is slowly added under stirring with a disper mixer, and then the peripheral speed is 10 to 12 m with a homomixer. Dispersed at / s for 15 minutes. The state of dispersion of the hydrophobic powder in the aqueous phase was evaluated according to the following criteria. (Evaluation criteria) ⁇ : It became a dispersion liquid that dispersed in the aqueous phase and flowed uniformly. ⁇ : The paste was dispersed in the aqueous phase but did not flow with a feeling of whelk. X: The hydrophobic powder was not completely dispersed in the aqueous phase and became a clay-like substance.
  • Example 12 Production of O / W type emulsified foundation
  • An O / W type emulsified foundation having the composition shown in Table 2 was produced.
  • [Table 2] (Production method) A: The oil layer components were well dispersed and mixed. B: The aqueous layer components were well dispersed and mixed. C: A was added to B and emulsified with a homomixer to obtain an O / W type emulsified foundation.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • Example 13 Production of W / O type emulsified foundation
  • a W / O type emulsified foundation having the composition shown in Table 3 was produced.
  • [Table 3] (Production method) A: The oil layer components were well dispersed and mixed. B: The aqueous layer components were well dispersed and mixed. C: B was added to A and emulsified with a homomixer to obtain a W / O type emulsified foundation.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • Example 14 Production of water-based sun-cut lotion
  • An aqueous sun-cut lotion having the composition shown in Table 4 was produced.
  • [Table 4] (Production method) A: The oil layer components were well dispersed and mixed. B: The aqueous layer components were well dispersed and mixed. C: A was added to B and emulsified with a homomixer to obtain an aqueous sun-cut lotion.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • Example 15 Production of O / W type sunscreen cosmetics
  • An O / W type sunscreen cosmetic having the composition shown in Table 5 was produced.
  • [Table 5] (Production method) A: The oil layer components were well dispersed and mixed. B: The aqueous layer components were well dispersed and mixed. C: A was added to B and emulsified with a homomixer to obtain an O / W type sunscreen cosmetic.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • Example 16 Production of W / O type sunscreen cosmetics
  • a W / O type sunscreen cosmetic having the composition shown in Table 6 was produced.
  • [Table 6] (Production method) A: The oil layer components were well dispersed and mixed. B: The aqueous layer components were well dispersed and mixed. C: B was added to A and emulsified with a homomixer to obtain a W / O type sunscreen cosmetic.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • Example 17 Production of powder foundation
  • a powder foundation having the composition shown in Table 7 was produced.
  • [Table 7] (Production method) A: The powder components were well dispersed and mixed.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • Example 18 Production of oil-based solid foundation
  • An oil-based solid foundation having the composition shown in Table 8 was produced.
  • [Table 8] (Preparation method of powder component) The hydrophilic hydrophobic titanium oxide of Example 1 was prepared by placing the dispersion of Example 1 in a stainless steel vat, drying at 80 ° C. for 24 hours, and then pulverizing. Hydrophilic hydrophobic yellow iron oxide of Example 3, hydrophilic hydrophobic red iron oxide of Example 4, and hydrophilic hydrophobic black iron oxide of Example 5 were also prepared in the same manner.
  • A The powder components were well dispersed and mixed.
  • B The oily component was well mixed and dissolved.
  • C B was added to A and treated with a hot roller, poured into a gold plate, and cooled and molded to obtain an oil-based solid foundation.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • Example 19 Manufacture of water-based face powder
  • An aqueous powder having the composition shown in Table 9 was produced.
  • C A was added to B and stirred well to obtain an aqueous powder.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • Example 20 Production of water-based eye shadow
  • An aqueous eyeshadow having the composition shown in Table 10 was produced.
  • Polyacrylate crosspolymer-6 is a SEPPIC S.A. Company A's SEPIMAX ZEN was used.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • Example 22 Production of antiperspirant An antiperspirant having the composition shown in Table 12 was produced. [Table 12] (Production method) A: The powder components were mixed well. B: The aqueous layer components were mixed and dissolved. C: A was added to B and mixed to obtain an antiperspirant.
  • the cosmetic of the present invention had a fresh feeling of use, was not sticky, and was excellent in comfort.
  • Treatments having the compositions shown in Table 13 were produced by the following methods. [Table 13] (Production method) A: The oil layer components were heated and mixed. B: The aqueous layer components were dispersed and mixed. C: B was added to A and mixed well to obtain a treatment.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • the cosmetic of the present invention had a fresh feeling of use, was easy to comb, and had excellent smoothness of hair.
  • Examples 24 to 32, Comparative Examples 5 to 11 A hydrophilic surfactant is added to the aqueous phase having the composition shown in Table 14 below, the mixture is heated to 60 ° C., the hydrophobic powder is slowly added under stirring with a disper mixer, and then the peripheral speed is 10 m / s with a homomixer. The mixture was dispersed for 15 minutes to obtain a dispersion. The state of dispersion of the hydrophobic powder in the aqueous phase was evaluated according to the following criteria. In Example 29 and Comparative Example 10, a hydrophobic powder and a hydrophilic surfactant were mixed to prevent scattering as a mixture, and then the aqueous phase was added to the mixture under stirring with a disperser mixer. The same procedure was performed to obtain a dispersion.
  • Component (A) of the present invention Hydrophilic nonionic surfactant which is a monoether compound of a branched higher alcohol having 16 to 20 carbon atoms and a polyoxyethylene group and component (B) water are mixed, and then component (C) In the process of mixing the hydrophobic powder, a uniformly flowing aqueous dispersion of the hydrophobic powder could be prepared.
  • component (C) In the process of mixing the hydrophobic powder, a uniformly flowing aqueous dispersion of the hydrophobic powder could be prepared.
  • Comparative Examples 5 to 11 in the case of using the hydrophilic nonionic surfactant, all the hydrophobic powder could not be dispersed in water and became a clay-like substance on the way.
  • Example 29 is a method in which a hydrophilic surfactant is mixed with the hydrophobic powder and then the mixture is added to the aqueous phase, but a uniform aqueous dispersion can be prepared. All of the comparative examples were non-fluid pastes and did not form a uniform dispersion.
  • a cast-in powder foundation having the composition shown in Table 15 was produced by the following method.
  • the total of powder component, oil component, and aqueous component was 100.0 wt%.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability. It was also excellent in impact resistance.
  • Example 34 Production of water-based liquid eyeliner
  • An aqueous liquid eyeliner having the composition shown in Table 16 was produced by the following method.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and was excellent in a uniform finish.
  • Example 35 and Example 36 W / O type sunscreen cosmetics A W / O type sunscreen cosmetic having the composition shown in Table 17 was produced by the following method.
  • Example 35 The oil layer components were well dispersed and mixed.
  • B The aqueous layer components were well dispersed and mixed.
  • C B was added to A and emulsified with a homomixer to obtain a W / O type sunscreen cosmetic.
  • Manufacturing method of Example 36 A: The oil layer components were well dispersed and mixed.
  • B The powder components were well dispersed and mixed.
  • C After the aqueous layer components were well dispersed and mixed, the component B was added under stirring with a disper mixer and dispersed.
  • D C was added to A and emulsified with a homomixer to obtain a W / O type sunscreen cosmetic.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • O / W type sunscreen cosmetics having the compositions shown in Table 18 were produced by the following methods.
  • the cosmetic of the present invention had a fresh feeling and a smooth feeling of use, and had a uniform finish and excellent makeup durability.
  • the present invention also includes the following preferred embodiments.
  • (Form 1) Manufacture of cosmetics containing 1% by weight or more of water and hydrophobic powder, respectively.
  • a hydrophilic nonionic surfactant which is a monoether compound of a branched higher alcohol having 12 to 20 carbon atoms and a polyoxyethylene group and (B) water are mixed, and then (C) a hydrophobic powder is mixed.
  • a method for producing a cosmetic product which includes a step of making a product.
  • (Form 2) The method for producing a cosmetic according to Form 1, wherein the water (B) contains less than 50% by weight of a polyol.
  • (Form 3) The method for producing a cosmetic according to Form 1 or 2, wherein the component (C) is an organic powder.
  • the present invention may also be described as the following appendix.
  • Appendix 1 Hydrophilic nonionic surfactant (B) water (C) hydrophobic powder which is a monoether compound of at least the following components (A) branched higher alcohol having 14 to 20 carbon atoms and 5 to 20 mol of ethylene oxide, respectively.
  • a method for producing a cosmetic which comprises a step of mixing the component (A) and the component (B) in a cosmetic containing 0.1% by weight or more, and then mixing and dispersing the component (C).
  • Hydrophilic nonionic surfactant B
  • water C
  • hydrophobic powder which is a monoether compound of at least the following components (A) branched higher alcohol having 14 to 20 carbon atoms and 5 to 20 mol of ethylene oxide, respectively.
  • Production of cosmetics including a step of mixing or contacting the component (A) and the component (C) in a cosmetic containing 0.1% by weight or more, and then adding the component (A) to the component (B) to mix and disperse.
  • a component other than ethyl alcohol or polyhydric alcohol to be miscible or solubilized in the component (B) is contained in the component (B) in an amount of 10% by weight or less, and a polyhydric alcohol is further contained in the component (B) by 50% by weight.
  • Appendix 6 The method for producing a cosmetic according to any one of Supplementary Provisions 1 to 5, wherein the hydrophobic powder of the component (C) is an organic powder.

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US20220273532A1 (en) 2022-09-01

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