Solid cosmetic containing ferulic acid

A solid cosmetic formulation using ferulic acid, liquid polyhydric alcohol, solid surfactant, and solid higher alcohol addresses the stability issues of ferulic acid, resulting in a stable and effective cosmetic product.

JP2025073532APending Publication Date: 2025-05-13MATSUMOTO TRADING +1
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Patent Information

Application Number
JP2023184428
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-10-27
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

Ferulic acid, a natural antioxidant, has low water solubility and tends to precipitate when dissolved in solvents, making it difficult to blend into cosmetic compositions effectively.

Method used

A solid cosmetic formulation containing ferulic acid, liquid polyhydric alcohol, solid surfactant, and solid higher alcohol, where the components (C) and (D) have a melting point of 60° C. or higher, ensuring the cosmetic remains in a solid form.

Benefits of technology

The formulation provides a solid cosmetic with excellent stability and feel, preventing precipitation of ferulic acid and ensuring effective blending into cosmetic compositions.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a solid cosmetic with excellent stability and usability.SOLUTION: The present invention provides a solid cosmetic containing a ferulic acid, comprising the following components (A) to (D), component (A): a ferulic acid, component (B): a liquid polyhydric alcohol, component (C): a solid surfactant, and component (D): a solid higher alcohol, and characterized in that when component (C) and component (D) are mixed, the mixture has a melting point of 60°C or higher and is in a solid form.SELECTED DRAWING: None
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Description

[Technical field]

[0001] The present invention relates to a solid cosmetic preparation containing ferulic acid, which has excellent usability and stability. [Background technology]

[0002] Ferulic acid is a natural antioxidant contained in various plants such as rice, wheat, and tomato, and has UV absorbing properties, antifungal properties, antibacterial properties, blood sugar lowering properties, etc., and is therefore used in skin whitening agents, sunscreens, anti-wrinkle agents, etc. However, ferulic acid has very low solubility in water and is prone to precipitation even when dissolved in a solvent in which it is soluble, making it known that it is difficult to incorporate into cosmetic compositions, and techniques for stable incorporation are being investigated.

[0003] For example, Patent Document 1 describes a method of using ferulic acid in combination with a polyhydric alcohol. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent No. 4540909 Summary of the Invention [Problem to be solved by the invention]

[0005] The combined use of ferulic acid and polyhydric alcohol can suppress the precipitation of ferulic acid, but leaves a problem to be solved: the feeling of use becomes poor. The present invention has been made in consideration of the above-mentioned problems, and has an object to provide a solid cosmetic preparation containing ferulic acid that is excellent in usability and stability. [Means for solving the problem]

[0006] As a result of intensive research conducted by the present inventors in order to achieve the above-mentioned object, it was discovered that by incorporating ferulic acid into a liquid polyhydric alcohol, a solid surfactant, and a solid higher alcohol, a solid cosmetic preparation having excellent usability and stability can be obtained, and this led to the completion of the present invention.

[0007] That is, the present invention comprises the following components (A) to (D): Ingredient (A) Ferulic Acid Component (B) Liquid polyhydric alcohol Component (C) Solid surfactant Component (D) Solid higher alcohol and The solid cosmetic preparation contains ferulic acid and is characterized in that when components (C) and (D) are mixed together, the melting point is 60°C or higher and the cosmetic preparation is in a solid form. In addition, the component (B) liquid polyhydric alcohol is a liquid polyhydric alcohol selected from the group consisting of propylene glycol, dipropylene glycol, 1,3-butylene glycol, and PEG-8. The present invention also provides a solid cosmetic preparation containing ferulic acid, in which the amount of component (B) is 11 / 3 or more times that of component (A). The present invention also provides a solid cosmetic preparation containing ferulic acid, in which component (C) is polyglyceryl-2 stearate and / or glyceryl stearate, and component (D) is stearyl alcohol. The present invention is also directed to a solid cosmetic preparation containing ferulic acid, wherein the total blending amount of component (C) and component (D) is 25 to 50% by mass. The present invention also provides a solid cosmetic preparation containing ferulic acid, in which the blending amount of component (B) is 40 to 69 mass %. Effect of the Invention

[0008] The solid cosmetic preparation containing ferulic acid of the present invention can provide a solid cosmetic preparation that is excellent in feel and stability despite containing ferulic acid. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Preferred embodiments of the present invention will now be described. The solid cosmetic preparation containing ferulic acid of the present invention comprises component (A) ferulic acid, component (B) a liquid polyhydric alcohol, component (C) a solid surfactant, and component (D) a solid higher alcohol. Furthermore, when components (C) and (D) are mixed, the melting point is 60°C or higher and the mixture is in a solid form.

[0010] The content of ferulic acid according to the present invention (hereinafter referred to as "component (A)") is not particularly limited, but is preferably 1 to 15 mass %, and more preferably 1 to 10 mass %, for example.

[0011] Examples of the liquid polyhydric alcohol according to the present invention (hereinafter referred to as "component (B)") include propylene glycol, butylene glycol, polyethylene glycol, dipropylene glycol, polypropylene glycol, hydroxypropylene glycol, hexylene glycol, 1,3-butylene glycol, 1,2,6-hexanetriol, ethoxylated glycerin, propyloxylated glycerin, and mixtures thereof. In particular, 1,3-butylene glycol, dipropylene glycol, and polyethylene glycol are preferred.

[0012] From the viewpoints of usability and stability, the amount of component (B) is preferably 11 / 3 or more times that of component (A).

[0013] The content of component (B) according to the present invention is not particularly limited, but for example, the lower limit is preferably 40 mass% or more, more preferably 45 mass% or more. The upper limit is preferably 69 mass% or less, more preferably 65 mass% or less. The specific range is preferably 40 to 69 mass%, more preferably 45 to 65%.

[0014] The solid surfactant according to the present invention (hereinafter referred to as "component (C)") includes polyglyceryl-2 stearate and glyceryl stearate.

[0015] The solid higher alcohol according to the present invention (hereinafter referred to as "component (D)") includes stearyl alcohol.

[0016] From the viewpoints of usability and stability, the lower limit of the total content of components (C) and (D) is preferably 25% by mass or more and the upper limit is preferably 50% by mass or less.

[0017] The cosmetic preparation of the present invention may be a commercially available product that combines component (C) and component (D). Examples of such commercially available products include PolyAqual 2W (manufactured by Innovacos: glyceryl-2 stearate (40-45% by mass), glyceryl stearate (25-30% by mass), stearyl alcohol (20-25% by mass)).

[0018] The solid cosmetic composition containing ferulic acid of the present invention can be appropriately blended with ingredients normally used in solid cosmetic compositions such as cosmetics and quasi-drugs in addition to the above-mentioned essential ingredients, and is produced according to a conventional method. Specific ingredients that can be blended are listed below.

[0019] The oily component according to the present invention includes liquid oils and fats, such as avocado oil, camellia oil, turtle oil, macadamia nut oil, corn oil, mink oil, olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, linseed oil, safflower oil, cottonseed oil, perilla oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, Chinese tung oil, Japanese tung oil, jojoba oil, germ oil, and triglycerin.

[0020] Examples of solid fats and oils include cacao butter, coconut oil, horse tallow, hardened coconut oil, palm oil, beef tallow, mutton tallow, hardened beef tallow, palm kernel oil, lard, beef bone fat, Japan Rice Kernel Oil, hardened oil, beef foot fat, Japan Rice, and hardened castor oil.

[0021] Examples of waxes include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, ivory wax, whale wax, montan wax, bran wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugarcane wax, lanolin fatty acid isopropyl, hexyl laurate, reduced lanolin, jojoba wax, hard lanolin, shellac wax, POE lanolin alcohol ether, POE lanolin alcohol acetate, POE cholesterol ether, lanolin fatty acid polyethylene glycol, and POE hydrogenated lanolin alcohol ether.

[0022] Examples of the hydrocarbon oil include liquid paraffin, ozokerite, pristane, paraffin, ceresin, squalene, petrolatum, and microcrystalline wax.

[0023] Examples of higher fatty acids include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, undecylenic acid, tallic acid, isostearic acid, linoleic acid, linoleic acid, eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA).

[0024] Examples of higher alcohols include straight-chain alcohols (e.g., lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.); branched-chain alcohols (e.g., monostearyl glycerin ether (batyl alcohol), 2-decyltetradecinol, lanolin alcohol, cholesterol, phytosterol, hexyldodecanol, isostearyl alcohol, octyldodecanol, etc.); and the like.

[0025] Examples of silicone oils include chain polysiloxanes (e.g., dimethylpolysiloxane, methylphenylpolysiloxane, diphenylpolysiloxane, etc.); cyclic polysiloxanes (e.g., octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, etc.), silicone resins forming a three-dimensional network structure, silicone rubber, various modified polysiloxanes (amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, fluorine-modified polysiloxane, etc.), acrylic silicones, and the like.

[0026] Examples of the ultraviolet absorbent include benzoic acid-based ultraviolet absorbents (e.g., para-aminobenzoic acid (hereinafter, abbreviated as 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, N,N-dimethyl PABA ethyl ester, etc.); anthranilic acid-based ultraviolet absorbents (e.g., homomenthyl-N-acetylanthranilic acid, salicylic acid-based ultraviolet absorbers (e.g., amyl salicylate, menthyl salicylate, homomenthyl salicylate, octyl salicylate, phenyl salicylate, benzyl salicylate, p-isopropanol phenyl salicylate, etc.); cinnamic acid-based ultraviolet absorbers (e.g., octyl cinnamate, ethyl-4-isopropyl cinnamate, methyl-2,5-diisopropyl cinnamate, ethyl-2,4-diisopropyl cinnamate, methyl-2,4-diisopropyl cinnamate, Isopropyl cinnamate, propyl-p-methoxycinnamate, isopropyl-p-methoxycinnamate, isoamyl-p-methoxycinnamate, octyl-p-methoxycinnamate (2-ethylhexyl-p-methoxycinnamate), 2-ethoxyethyl-p-methoxycinnamate, cyclohexyl-p-methoxycinnamate, ethyl-α-cyano-β-phenylcinnamate, 2-ethylhexyl-α-cyano-β-phenylcinnamate, glyceryl benzophenone-based ultraviolet absorbers (e.g., 2,4-dihydroxybenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone, 2,2'-dihydroxy-4,4'-dimethoxybenzophenone, 2,2',4,4'-tetrahydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxy-4'-methylbenzophenone, 2-hydroxy-4-methoxybenzophenone-5-sulfonate, 4-phenylbenzophenone, 2-ethylhexyl-4'-phenyl-benzophenone-2-carboxylate, 2-hydroxy-4-n-octoxybenzophenone, 4-hydroxy-3-carboxybenzophenone, etc.);3-(4'-methylbenzylidene)-d,l-camphor, 3-benzylidene-d,l-camphor; 2-phenyl-5-methylbenzoxazole; 2,2'-hydroxy-5-methylphenylbenzotriazole; 2-(2'-hydroxy-5'-t-octylphenyl)benzotriazole; 2-(2'-hydroxy-5'-methylphenylbenzotriazole; dibenzalazine; dianisoylmethane; 4-methoxy-4'-t-butyldibenzoylmethane; 5-(3,3-dimethyl-2-norbornylidene)-3-pentan-2-one, and the like.

[0027] Examples of moisturizing agents include chondroitin sulfate, hyaluronic acid, mucoitin sulfate, caronic acid, atelocollagen, cholesteryl-12-hydroxystearate, sodium lactate, bile salts, dl-pyrrolidone carboxylate, short-chain soluble collagen, diglycerin (EO)PO adduct, Rosa rugosa extract, Achillea millefolium extract, and Melilot extract.

[0028] Examples of the powder component include inorganic powders (e.g., talc, kaolin, mica, sericite, white mica, gold mica, synthetic mica, red mica, black mica, permiculite, magnesium carbonate, calcium carbonate, aluminum silicate, barium silicate, calcium silicate, magnesium silicate, strontium silicate, tungstate metal salts, magnesium, silica, zeolite, barium sulfate, calcined calcium sulfate (calcined gypsum), calcium phosphate, fluorapatite, hydroxyapatite, ceramic powder, etc.) wood, metal soaps (e.g., zinc myristate, calcium palmitate, aluminum stearate), boron nitride, etc.); organic powders (e.g., polyamide resin powder (nylon powder), polyethylene powder, polymethyl methacrylate powder, polystyrene powder, styrene-acrylic acid copolymer resin powder, benzoguanamine resin powder, polytetrafluoroethylene powder, cellulose powder, etc.); inorganic white pigments (e.g., zinc oxide, etc.); inorganic red pigments (e.g., iron titanate, etc.); inorganic purple pigments (e.g., mango violet, cobalt violet, etc.); inorganic green pigments (e.g., chromium oxide, chromium hydroxide, cobalt titanate, etc.); inorganic blue pigments (e.g., ultramarine, Prussian blue, etc.); pearl pigments (e.g., titanium oxide coated mica, titanium oxide coated bismuth oxychloride, titanium oxide coated talc, colored titanium oxide coated mica, bismuth oxychloride, fish scale foil, etc.); metal powder pigments (e.g., aluminum powder, copper powder, etc.); organic pigments such as zirconium, barium or aluminum lake (e.g., For example, organic pigments such as Red No. 201, Red No. 202, Red No. 204, Red No. 205, Red No. 220, Red No. 226, Red No. 228, Red No. 405, Orange No. 203, Orange No. 204, Yellow No. 205, Yellow 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, Yellow No. 202, Yellow No. 203, Green No. 3, and Blue No. 1; natural pigments (e.g., chlorophyll, β-carotene, etc.), and the like.

[0029] Examples of anionic surfactants include fatty acid soaps (e.g., sodium laurate, sodium palmitate, etc.); higher alkyl sulfates (e.g., sodium lauryl sulfate, potassium lauryl sulfate, etc.); alkyl ether sulfates (e.g., POE-lauryl triethanolamine sulfate, sodium POE-lauryl sulfate, etc.); N-acylsarcosinates (e.g., sodium lauroyl sarcosinate, etc.); higher fatty acid amide sulfonates (e.g., sodium N-myristoyl-N-methyl taurine, sodium coconut oil fatty acid methyl tauride, sodium lauryl methyl tauride, etc.); phosphates (sodium POE-oleyl ether phosphate, sodium POE-stearyl ether phosphate, etc.); sulfosuccinates (e.g., sodium di-2-ethylhexyl sulfosuccinate, sodium monolauroyl monoethanolamide polyoxyethylene sulfosuccinate, sodium lauryl polypropylene glycol ... sodium succinate, etc.); alkylbenzene sulfonates (e.g., sodium linear dodecylbenzene sulfonate, triethanolamine linear dodecylbenzene sulfonate, linear dodecylbenzene sulfonic acid, etc.); higher fatty acid ester sulfate salts (e.g., sodium hydrogenated coconut oil fatty acid glycerin sulfate, etc.); N-acyl glutamates (e.g., monosodium N-lauroyl glutamate, disodium N-stearoyl glutamate, monosodium N-myristoyl-L-glutamate, etc.); sulfated oils (e.g., turmeric oil, etc.); POE-alkyl ether carboxylic acids; POE-alkyl allyl ether carboxylates; α-olefin sulfonates; higher fatty acid ester sulfonates; secondary alcohol sulfate salts; higher fatty acid alkylolamide sulfate salts; sodium lauroyl monoethanolamide succinate; ditriethanolamine N-palmitoyl aspartate; sodium caseinate, etc.

[0030] Examples of cationic surfactants include alkyltrimethylammonium salts (e.g., stearyltrimethylammonium chloride, lauryltrimethylammonium chloride, etc.); alkylpyridinium salts (e.g., cetylpyridinium chloride, etc.); distearyldimethylammonium chloride, dialkyldimethylammonium salts; poly(N,N'-dimethyl-3,5-methylenepiperidinium chloride); alkyl quaternary ammonium salts; alkyldimethylbenzylammonium salts; alkylisoquinolinium salts; dialkylmorphonium salts; POE-alkylamines; alkylamine salts; polyamine fatty acid derivatives; amyl alcohol fatty acid derivatives; benzalkonium chloride; benzethonium chloride, etc.

[0031] Examples of amphoteric surfactants include imidazoline-based amphoteric surfactants (e.g., 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide-1-carboxyethyloxy disodium salt, etc.); betaine-based surfactants (e.g., 2-heptadecyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, lauryl dimethylaminoacetic acid betaine, alkyl betaine, amido betaine, sulfobetaine, etc.).

[0032] Examples of lipophilic nonionic surfactants include sorbitan fatty acid esters (e.g., sorbitan monooleate, sorbitan monoisostearate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan sesquioleate, sorbitan trioleate, diglycerol sorbitan penta-2-ethylhexyl acid, diglycerol sorbitan tetra-2-ethylhexyl acid, etc.); glycerin polyglycerin fatty acids (e.g., glycerin monocottonseed oil fatty acid, glycerin monoerucate, glycerin sesquioleate, glycerin monostearate, α,α'-oleic acid pyroglutamic acid, glycerin monostearate malic acid, etc.); propylene glycol fatty acid esters (e.g., propylene glycol monostearate, etc.); hydrogenated castor oil derivatives; and glycerin alkyl ethers.

[0033] Examples of hydrophilic nonionic surfactants include POE-sorbitan fatty acid esters (e.g., POE-sorbitan monooleate, POE-sorbitan monostearate, POE-sorbitan monooleate, POE-sorbitan tetraoleate, etc.); POE sorbitol fatty acid esters (e.g., POE-sorbitol monolaurate, POE-sorbitol monooleate, POE-sorbitol pentaoleate, POE-sorbitol monostearate, etc.); POE-glycerin fatty acid esters (e.g., POE-glycerin monostearate, POE-monooleates such as POE-glycerin monoisostearate and POE-glycerin triisostearate; POE-fatty acid esters (e.g., POE-distearate, POE-monodioleate, ethylene glycol distearate, etc.); POE-alkyl ethers (e.g., POE-lauryl ether, POE-oleyl ether, POE-stearyl ether, POE-behenyl ether, POE-2-octyldodecyl ether, POE-cholestanol ether, etc.); Pluronic (registered trademark) types (e.g., Pluronic POE·POP-alkyl ethers (e.g., POE·POP-cetyl ether, POE·POP-2-decyltetradecyl ether, POE·POP-monobutyl ether, POE·POP-hydrogenated lanolin, POE·POP-glycerin ether, etc.); tetraPOE·tetraPOP-ethylenediamine condensates (e.g., Tetronic, etc.); POE-castor oil hydrogenated castor oil derivatives (e.g., POE-castor oil, POE-hydrogenated castor oil, POE-hydrogenated castor oil monoisostearate, POE-hydrogenated castor oil triisostearate, etc.) , POE-hydrogenated castor oil monopyroglutamic acid monoisostearate diester, POE-hydrogenated castor oil maleic acid, etc.); POE-beeswax and lanolin derivatives (e.g., POE-sorbitol beeswax, etc.); alkanolamides (e.g., coconut oil fatty acid diethanolamide, lauric acid monoethanolamide, fatty acid isopropanolamide, etc.); POE-propylene glycol fatty acid esters; POE-alkylamines; POE-fatty acid amides; sucrose fatty acid esters; alkylethoxydimethylamine oxide; trioleyl phosphate, etc.

[0034] Examples of natural water-soluble polymers include plant-based polymers (e.g., gum arabic, tragacanth gum, galactan, guar gum, carob gum, karaya gum, carrageenan, pectin, agar, quince seed, algae colloid (cassow extract), starch (rice, corn, potato, wheat), glycyrrhizic acid); microbial polymers (e.g., xanthan gum, dextran, succinoglucan, pullulan, etc.); animal-based polymers (e.g., collagen, casein, albumin, gelatin, etc.), etc.

[0035] Examples of semi-synthetic water-soluble polymers include starch-based polymers (e.g., carboxymethyl starch, methylhydroxypropyl starch, etc.); cellulose-based polymers (methyl cellulose, ethyl cellulose, methylhydroxypropyl cellulose, hydroxyethyl cellulose, sodium cellulose sulfate, hydroxypropyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, crystalline cellulose, cellulose powder, etc.); alginic acid-based polymers (e.g., sodium alginate, propylene glycol alginate, etc.).

[0036] Examples of synthetic water-soluble polymers include vinyl polymers (e.g., polyvinyl alcohol, polyvinyl methyl ether, polyvinylpyrrolidone, carboxyvinyl polymer, etc.); polyoxyethylene polymers (e.g., polyethylene glycol 20,000, 40,000, 60,000, etc.); acrylic polymers (e.g., sodium polyacrylate, polyethyl acrylate, polyacrylamide, etc.); polyethyleneimine; cationic polymers, etc.

[0037] Examples of thickening agents include gum arabic, carrageenan, karaya gum, tragacanth gum, carob gum, quince seed, casein, dextrin, gelatin, sodium pectinate, sodium alginate, methylcellulose, ethylcellulose, CMC, hydroxyethylcellulose, hydroxypropylcellulose, PVA, PVM, PVP, sodium polyacrylate, carboxyvinyl polymer, locust bean gum, guar gum, tamarind gum, dialkyldimethylammonium cellulose sulfate, xanthan gum, aluminum magnesium silicate, bentonite, hectorite, AlMg silicate (beegum), laponite, and anhydrous silicic acid.

[0038] Examples of the lower alcohol include ethanol, propanol, isopropanol, isobutyl alcohol, and t-butyl alcohol.

[0039] Examples of monosaccharides include trioses (e.g., D-glyceryl aldehyde, dihydroxyacetone, etc.); tetraoses (e.g., D-erythrose, D-erythrulose, D-threose, erythritol, etc.); pentoses (e.g., L-arabinose, D-xylose, L-lyxose, D-arabinose, D-ribose, D-ribulose, D-xylulose, L-xylulose, etc.); hexoses (e.g., D-glucose, D-talose, D-busicose, D-galactose, D-fructose, L-galactose, L-succiose, D ... -mannose, D-tagatose, etc.); heptoses (e.g., aldoheptose, heptose, etc.); octose (e.g., octose, etc.); deoxysugars (e.g., 2-deoxy-D-ribose, 6-deoxy-L-galactose, 6-deoxy-L-mannose, etc.); aminosugars (e.g., D-glucosamine, D-galactosamine, sialic acid, aminouronic acid, muramic acid, etc.); uronic acids (e.g., D-glucuronic acid, D-mannuronic acid, L-guluronic acid, D-galacturonic acid, L-iduronic acid, etc.), etc.

[0040] Examples of oligosaccharides include sucrose, gunthianose, umbelliferose, lactose, planteose, isolichinoses, α,α-trehalose, raffinose, lychinoses, umbilicin, stachyose, verbascoses, and the like. Examples of the amino acid include neutral amino acids (e.g., threonine, cysteine, etc.), basic amino acids (e.g., hydroxylysine, etc.), etc. Examples of the amino acid derivatives include sodium acyl sarcosine (sodium lauroyl sarcosine), acyl glutamate, sodium acyl β-alanine, glutathione, pyrrolidone carboxylic acid, etc.

[0041] Examples of the organic amine include monoethanolamine, diethanolamine, triethanolamine, morpholine, triisopropanolamine, 2-amino-2-methyl-1,3-propanediol, and 2-amino-2-methyl-1-propanol.

[0042] Examples of sequestering agents include 1-hydroxyethane-1,1-diphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acid tetrasodium salt, disodium edetate, trisodium edetate, tetrasodium edetate, sodium citrate, sodium polyphosphate, sodium metaphosphate, gluconic acid, phosphoric acid, citric acid, ascorbic acid, succinic acid, edetic acid, and trisodium ethylenediaminehydroxyethyltriacetate.

[0043] Examples of the antioxidant aid include phosphoric acid, citric acid, ascorbic acid, maleic acid, malonic acid, succinic acid, fumaric acid, cephalin, hexametaphosphate, phytic acid, and ethylenediaminetetraacetic acid.

[0044] Other possible ingredients include, for example, preservatives (ethylparaben, butylparaben, etc.); skin whitening agents (for example, placenta extract, saxifrage extract, arbutin, etc.); blood circulation promoters (nicotinic acid, benzyl nicotinate, tocopherol nicotinate, β-butoxy nicotinate ester, minoxidil or its analogues, vitamin E, γ-oryzanol, alkoxycarbonylpyridine N-oxide, carpronium chloride, and acetylcholine or its derivatives, etc.); various extracts (for example , ginger, Uba, Coptis Root, Lithospermum Root, Birch, Loquat, Carrot, Aloe, Mallow, Iris, Grape, Luffa, Lily, Saffron, Cnidium, Angelica, Hypericum, Ononis, Garlic, Chili Pepper, Tangerine, Angelica Root, Peony, Seaweed, etc.), activators (e.g., panthenyl ethyl ether, nicotinamide, biotin, pantothenic acid, royal jelly, cholesterol derivatives, etc.); antiseborrheic agents (e.g., pyridoxines, thianthol, etc.). EXAMPLES

[0045] The present invention will be described in more detail below with reference to examples. However, the present invention is not limited to these examples. The blend amounts are expressed in mass % unless otherwise specified.

[0046] (Manufacturing method) Components (A), (B), (C), and (D) were mixed together under heating (80-90°C), then poured into a mold and cooled to room temperature to obtain a solid cosmetic composition.

[0047] Preparation of solid cosmetic preparation: Solid cosmetic preparations of the Examples and Comparative Examples were prepared with the compositions shown in Tables 1 to 5 below, and the stability, moldability, and usability of each of the obtained cosmetic preparations were evaluated according to the following criteria.

[0048] (stability) After storing each cosmetic preparation for one week, the occurrence of precipitation of component (A) was visually determined. "Evaluation Criteria" ◎: No precipitation observed at 5℃~40℃. ○: At 5℃~40℃, slight precipitation was observed on the stick surface, but this did not affect the quality. △: Precipitation was observed on the stick at 5℃~40℃. ×: Significant precipitation is observed at 5°C to 40°C. (Moldability) "Evaluation Criteria" After storing each cosmetic material for one week, the molding state was visually evaluated. ◎: Does not mold even at 50℃. ○: It will mold at 50℃, but not at 40℃. △: Molding is possible at room temperature of 40°C. ×: Cannot be molded. (Feeling of use) "Evaluation Criteria" A panel of 10 experts judged the ease of application according to the following criteria. ◎: More than 7 out of 10 people answered "good." ○: 4 to 6 out of 10 people answered that it was good. △: 1 to 2 out of 10 people answered good. ×: None of the 10 people answered that it was good.

[0049] [Table 1] JPEG2025073532000001.jpg103160 *1: Mixture of polyglyceryl-2 stearate, glyceryl stearate, and stearyl alcohol

[0050] From Table 1, it was confirmed that all of Examples 1 to 6, despite the incorporation of component (A), had excellent stability, moldability, and usability, and also had good SPF and UVA / UVB ratio. Furthermore, it was found that when the amount of component (B) was 11 / 3 times or more that of component (A) (Example 5), the stability and usability were excellent.

[0051] Next, the inventors investigated the amount of component (B) to be incorporated in solid cosmetic preparations.

[0052] [Table 2] JPEG2025073532000002.jpg64160 *1: Mixture of polyglyceryl-2 stearate, glyceryl stearate, and stearyl alcohol

[0053] As is clear from Table 2, from the viewpoints of stability, moldability, usability, and UV protection power, the blending amount of component (B) is preferably from 40 to 69 mass %.

[0054] Next, the inventors investigated the types of component (A) and component (B) in solid cosmetic preparations.

[0055] [Table 3-1] JPEG2025073532000003.jpg103160 *1: Mixture of polyglyceryl-2 stearate, glyceryl stearate, and stearyl alcohol

[0056] [Table 3-2] JPEG2025073532000004.jpg39160◎: Compatible for 1 month at 5℃ 〇: Compatible for 1 month at room temperature △: Recrystallized ×: Insoluble

[0057] [Table 3-3] JPEG2025073532000005.jpg38170

[0058] [Table 3-4] JPEG2025073532000006.jpg39160

[0059] [Table 3-5] JPEG2025073532000007.jpg38170

[0060] [Table 3-6] JPEG2025073532000008.jpg38170

[0061] As can be seen from Tables 3-1 to 3-6, the types of component (B) that were suitable were 1,3-butylene glycol, PEG-8, dipropylene glycol, and propylene glycol, which did not cause precipitation when mixed with component (A) and component (B) in an amount six times that of component (A).

[0062] Next, the inventors investigated the amounts of components (C) and (D) to be blended in the solid cosmetic preparation.

[0063] [Table 4-1] JPEG2025073532000009.jpg64160 *1: Mixture of polyglyceryl-2 stearate, glyceryl stearate, and stearyl alcohol

[0064] [Table 4-2] JPEG2025073532000010.jpg71160 *1: Mixture of polyglyceryl-2 stearate, glyceryl stearate, and stearyl alcohol

[0065] From Tables 4-1 and 4-2, it was found that the optimum total amount of component (C) and component (D) was 25% by mass to 50% by mass.

[0066] Next, the inventors investigated the types of components (C) and (D) in solid cosmetic preparations.

[0067] [Table 5] JPEG2025073532000011.jpg103160 *1: Mixture of polyglyceryl-2 stearate, glyceryl stearate, and stearyl alcohol

[0068] From Table 5, it was found that, regarding the types of component (C) and component (D), polyglyceryl-2 stearate and glyceryl stearate are preferable for component (C), and stearyl alcohol is preferable for component (D).

Claims

1. Contains the following components (A) to (D): Component (A) Ferulic Acid Component (B) Liquid polyhydric alcohol Component (C) Solid Surfactant Component (D) Solid higher alcohol and A solid cosmetic preparation containing ferulic acid, characterized in that when component (C) and component (D) are mixed, the melting point is 60°C or higher and the cosmetic preparation is in a solid form.

2. The solid cosmetic preparation containing ferulic acid according to claim 1, wherein the liquid polyhydric alcohol (B) is a liquid polyhydric alcohol selected from the group consisting of propylene glycol, dipropylene glycol, 1,3-butylene glycol, and PEG-8.

3. 3. A solid cosmetic preparation containing ferulic acid according to claim 2, wherein the amount of component (B) is 11 / 3 or more times that of component (A).

4. 2. A solid cosmetic preparation containing ferulic acid according to claim 1, wherein component (C) is polyglyceryl-2 stearate and / or glyceryl stearate, and component (D) is stearyl alcohol.

5. 5. The solid cosmetic preparation containing ferulic acid according to claim 4, wherein the total amount of component (C) and component (D) is 25 to 50% by mass.

6. 2. The solid cosmetic preparation containing ferulic acid according to claim 1, wherein the blending amount of component (B) is 40 to 69% by mass.

Citation Information

Patent Citations

  • Stabilization of ferulic acid in cosmetic compositions

    JP4540909B2