JP2022163803A - Glyceryl ascorbate-containing cosmetic - Google Patents

Abstract

To provide a gel or gel-creamy cosmetic that contains glyceryl ascorbate or a salt thereof, the cosmetic having good feelings of use, such as skin compatibility and non-squeakiness, and the cosmetic showing little change in viscosity over time during its preservation.SOLUTION: A gel or gel-creamy cosmetic cotanins glyceryl ascorbate or a salt thereof, and one or more selected from acrylamides, aqueous or amphiphilic polymers containing acryloyl dimethyltaurine or salts thereof as a constitutional unit, and (acrylate/alkyl acrylate (C10-30)) crosspolymers.SELECTED DRAWING: None

Description

TECHNICAL FIELD The present invention relates to a cosmetic composition containing glyceryl ascorbic acid and having excellent storage stability. More specifically, (A) glyceryl ascorbic acid or a salt thereof and (B) a specific thickening agent are combined to provide a stable gel or gel cream that exhibits excellent usability and suppresses viscosity decrease during storage. related to cosmetics.

Conventionally, various whitening agents such as ascorbic acid, kojic acid, arbutin, etc. have been used in cosmetics in order to prevent skin darkening, spots and freckles caused by sunlight and to maintain the original white skin. Among them, ascorbic acid is a safe and useful substance, and is known as a compound that has antioxidant effects, collagen production promoting effects, excellent whitening effects, etc., and has the effect of improving skin conditions and maintaining a healthy state. is known to exist. However, ascorbic acid is very unstable against light, heat, and oxidation, which has hindered its use in cosmetics, foods, pharmaceuticals, and the like.

On the other hand, the present inventors have developed various glyceryl ascorbic acid derivatives or salts thereof as derivatives that have better stability over time than ascorbic acid and are less likely to cause discoloration during storage when blended in cosmetics. We have proposed blending in cosmetics, blending as a moisturizing agent, and blending in cosmetics for the purpose of promoting collagen production. (Patent Documents 1 and 2)

However, when producing a gel or gel cream cosmetic containing glyceryl ascorbic acid, it has been difficult to produce a formulation having an appropriate viscosity that provides a favorable feel during use. Even when a thickener is contained, the viscosity of the formulation decreases over time, and there is a problem in terms of maintaining storage stability. , There were cases where the favorable feeling of use such as good skin familiarity and lack of squeakiness was impaired.

Japanese Patent No. 4681670 JP 2019-142790 A

The present invention provides a cosmetic containing glyceryl ascorbic acid or a salt thereof according to the prior art, which has an excellent feeling of use such as good compatibility with the skin and no squeakiness, and suppresses change in viscosity over time even during storage. An object of the present invention is to provide a gel-like or gel-cream cosmetic.

The inventors of the present invention have made intensive studies in view of the above-mentioned circumstances, and found that a gel-like or gel-cream-like cosmetic containing a combination of glyceryl ascorbic acid or a salt thereof and a specific thickener exhibits excellent usability. Furthermore, the inventors have found that a cosmetic having a suppressed change in viscosity over time can be obtained, and have completed the present invention.

First, the present invention contains the following components (A) and (B), the content of component (A) is 0.1 to 2.0% by mass, and the content of component (B) is 0.1 to 2.0% by mass. A gel-like or gel-cream cosmetic characterized by containing 5 to 4.0% by mass.
(A) one or more selected from glyceryl ascorbic acid or salts thereof; -30)) One or more thickeners selected from crosspolymers

The second aspect of the present invention is the gel or gel cream cosmetic of the first aspect of the present invention, wherein the glyceryl ascorbic acid described in (A) is 2-O-alkyl-3-O-glyceryl ascorbic acid. , 2-O-glyceryl-3-O-alkylascorbic acid, and 3-O-alkylglyceryl ascorbic acid. These glyceryl ascorbic acids are easily available industrially and can realize an excellent whitening effect, and therefore correspond to this preferred embodiment.

The third aspect of the present invention is the gel or gel cream cosmetic of the first or second aspect of the present invention, wherein the component (B) is (hydroxyethyl acrylate/acryloyldimethyltaurate Na) copolymer, polyacrylate Crosspolymer-6, (acryloyldimethyltaurate ammonium/vinylpyrrolidone) copolymer, (acryloyldimethyltaurate ammonium/beheneth-25 methacrylate) crosspolymer, (acrylates/alkyl acrylate (C10-30)) crosspolymer characterized by When the component (B) is the thickener, it is more excellent in terms of suppressing changes in viscosity over time during storage, and thus corresponds to this preferred embodiment.

The present invention is a gel-like or gel-cream cosmetic containing glyceryl ascorbic acid or a salt thereof. fee. When applied to the skin, it maintains the skin-whitening effect of glyceryl ascorbic acid and exhibits an excellent feeling of use, such as good familiarity with the skin and no squeakiness.

Components (A) glyceryl ascorbic acid or a salt thereof and (B) a specific thickener, which constitute the cosmetic of the present invention, and the form of the cosmetic of the present invention are specifically described below.

[Component (A): glyceryl ascorbic acid or its salt]
Glyceryl ascorbic acid, the component (A) to be blended in the cosmetic of the present invention, is an ascorbic acid derivative in which one or more glyceryl groups are added to the 2-, 3-, 5- or 6-position of ascorbic acid. It can be produced by the method described in Document 1, and specific examples include the compounds shown below.

In the following examples, glyceryl means a group represented by HOCH ₂ —CH(OH)—CH ₂ — or HOCH ₂ —CH(CH ₂ OH)—,
Alkyl means methyl group, ethyl group, propyl group, isopropyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group, octadecyl group, nonadecyl group, eicosyl group, behenyl group, etc.
The alkenyl group means vinyl group, allyl group, butenyl group, isobutenyl group, crotyl group, octenyl group, decenyl group, dodecenyl group, etc.
Acyl means formyl, acetyl, propionyl, butyryl, pentanoyl, hexanoyl, heptanoyl, octanoyl, nonyl, decanoyl, undecanoyl, dodecanoyl, tetradecanoyl, hexadecanoyl, eicosanoyl group, hexadecenoyl group, octadecenoyl group, octadecatrienoyl group, icosatetraenoyl group, isooctanoyl group, isopalmitoyl group, isostearoyl group, 2-propylpentanoyl group, 2-butylhexanoyl group, 2-pentylhepta It represents a noyl group and the like.

(A) Component glyceryl ascorbic acid includes 2-O-glyceryl ascorbic acid, 3-O-glyceryl ascorbic acid, 5-O-glyceryl ascorbic acid, 6-O-glyceryl ascorbic acid, 2,3-di-O -glyceryl ascorbic acid, 2,3,5,6-tetra-O-glyceryl ascorbic acid, 2-O-diglyceryl ascorbic acid, 3-O-diglyceryl ascorbic acid, 2,3-di-O-diglyceryl ascorbic acid acid, 2-O-glyceryl-3-O-alkylascorbic acid, 2-O-alkyl-3-O-glyceryl ascorbic acid, 2-O-alkylglyceryl ascorbic acid, 3-O-alkylglyceryl ascorbic acid, 2- O-glyceryl-5-O-acylascorbic acid, 2-O-glyceryl-6-O-acylascorbic acid, 2-O-glyceryl-3-O-alkenyl ascorbic acid, 2-O-alkenyl-3-O- glyceryl ascorbic acid, 2-O-alkenylglyceryl ascorbic acid, 3-O-alkenylglyceryl ascorbic acid and the like.

Among them, glyceryl ascorbic acid, which is industrially readily available and capable of sufficiently exhibiting the effects of the present invention, includes 2-O-alkyl-3-O-glyceryl ascorbic acid, 2-O-glyceryl- 3-O-alkyl ascorbic acid, 3-O-alkyl glyceryl ascorbic acid (here, alkyl refers to a linear or branched alkyl group having 1 to 22 carbon atoms), more preferably 2-O -hexyl-3-O-glyceryl ascorbate, 2-O-glyceryl-3-O-hexyl ascorbate, 2-O-glyceryl-3-O-octyl ascorbate, 3-O-lauryl glyceryl ascorbate.

Salts of glyceryl ascorbic acid include, for example, metal salts such as potassium salts and sodium salts, triethanolamine salts, 2-amino-2-methyl-1,3-propanediol salts, 2-amino-2-methyl- and ammonium salts such as 1-propanol salts.

A commercial item can be used as such glyceryl ascorbic acid or its salt. For example, Amitose HGA and Amitose 3LGA (both manufactured by Seiwa Kasei Co., Ltd.) can be used as 2-O-hexyl-3-O-glyceryl ascorbic acid and 3-O-lauryl glyceryl ascorbic acid, respectively.

In the cosmetic composition of the present invention, one type of glyceryl ascorbic acid or a salt thereof may be used, or two or more types may be mixed and used.

The content of glyceryl ascorbic acid or a salt thereof is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, in the cosmetic composition of the present invention. The upper limit is preferably 2.0% by mass or less, more preferably 1.5% by mass or less. When the amount is less than 0.1% by mass, it is difficult to obtain a sufficient whitening effect.

[Component (B): thickener]
The thickener of component (B) contained in the cosmetic of the present invention is an aqueous or amphipathic polymer containing acrylamide or acryloyldimethyltaurine or a salt thereof as a structural unit (acrylates/alkyl acrylate (C10-30 )) selected from crosspolymers. By containing these specific thickeners, it is possible to suppress changes in viscosity over time of cosmetics containing glyceryl ascorbic acid or a salt thereof as component (A). In addition, when applied to the skin, it maintains the skin-whitening effect of glyceryl ascorbic acid, while exhibiting an excellent feeling of use such as good familiarity with the skin and no squeakiness.

Specific examples of the thickener of component (B) include polyacrylamide, (Na acrylate/Na acryloyl dimethyl taurate) copolymer, (hydroxyethyl acrylate/Na acryloyl dimethyl taurate) copolymer, (Na acrylate/Na acryloyl Dimethyltaurine/dimethylacrylamide) crosspolymer, (acrylamide/ammonium acrylate) copolymer, (acrylamide/acryloyldimethyltaurate Na) copolymer, polyacrylate-13 (co-polymer of acrylic acid, acrylamide, Na acrylate and Na acryloyldimethyltaurate) polymer), polyacrylate crosspolymer-6 (ammonium acryloyldimethyltaurate, dimethylacrylamide, copolymer of lauryl methacrylate and laureth-4 methacrylate crosslinked with trimethylolpropane triacrylate), (acryloyldimethyltaurate ammonium / vinylpyrrolidone) copolymer, (acryloyldimethyltaurate ammonium / beheneth-25 methacrylate) crosspolymer, (acrylates / alkyl acrylate (C10-30)) crosspolymer, among others, (hydroxyethyl acrylate / Acryloyldimethyltaurate Na) copolymer, polyacrylate crosspolymer-6, (acryloyldimethyltaurate ammonium/vinylpyrrolidone) copolymer, (acryloyldimethyltaurate ammonium/beheneth-25 methacrylate) crosspolymer, (acrylates/alkyl acrylate (C10 -30)) Crosspolymers are preferably used.

A commercial item can be used as a thickener of a component (B). For example, SEPIGEL 305 sold by SEPPIC, SIMULGEL EG QD, SIMULGEL FL, SIMULGEL NS, SIMULGEL 600, SEPINOV EMT 10, SEPINOV P88, SEPIPLUS S, SEPIPLUS 265, SEPIPLUS 400, SEPIMAX ZEN manufactured by Clariant Japan Co., Ltd. Aristoflex AVC, Aristoflex HMB, PEMULEN TR-2 manufactured by Lubrizol Co., Ltd., and the like can be used.

In the gel-like or gel-cream-like cosmetic of the present invention, the component (B) thickening agent may be used singly or in combination of two or more.

The blending amount of the component (B) thickener is preferably 0.5% by mass or more, more preferably 1.0% by mass or more, in the cosmetic composition of the present invention. The upper limit is preferably 4.0% by mass or less, more preferably 3.0% by mass or less. If the blending amount is less than 0.5% by mass, it is difficult to obtain stability over time.

The cosmetic of the present invention contains water in addition to the components (A) and (B). Furthermore, other components that are commonly used in cosmetics can be widely blended depending on the application, as long as they do not impair the effect, stability, etc. of the cosmetic.

In addition to the components (A) and (B) and water, other components that are usually used in cosmetics include, for example, oils, solid or semi-solid oils, surfactants, polymer compounds, moisturizing agents, whitening agents, and texture improving agents. Agents, drugs, UV absorbers, proteins, protein hydrolysates or derivatives thereof, amino acids or derivatives thereof, antioxidants, sequestering agents, pH adjusters, preservatives, pigments, coloring agents, fragrances, etc. be able to.

The oil agent is not particularly limited as long as it is liquid at 25° C. and is commonly used in cosmetics, and any oil agent can be used. Regardless of the origin of volatile or non-volatile, animal oil, vegetable oil, synthetic oil, etc., for example, hydrocarbon oil, oil, ester oil, fatty acid, triacylglycerol, higher alcohol, silicone oil, fluorine oil, lanolin derivative oils such as Specifically, for example, (C13-15) alkane, (C15-19) alkane, (C18-21) alkane, (C21-28) alkane, liquid paraffin, heavy liquid isoparaffin, α-olefin oligomer, squalane, Hydrocarbon oils such as polyisobutylene and polybutene; Fats and oils such as olive oil, castor oil and macadamia nut oil; Jojoba oil, diisobutyl adipate, 2-hexyldecyl adipate, di-2-heptylundecyl adipate, monoisostearin acid alkyl glycol, isocetyl isostearate, trimethylolpropane triisostearate, ethylene glycol di-2-ethylhexanoate, cetyl 2-ethylhexanoate, neopentyl glycol di-2-ethylhexanoate, tri-2-ethylhexanoic acid trimethylolpropane, pentaerythritol tetra-2-ethylhexanoate, cetyl 2-ethylhexanoate, oleyl oleate, octyldodecyl oleate, decyl oleate, neopentyl glycol dicaprate, triethyl citrate, 2-ethylhexyl succinate, Isocetyl stearate, butyl stearate, diisopropyl sebacate, di-2-ethylhexyl sebacate, cetyl lactate, myristyl lactate, isopropyl palmitate, 2-ethylhexyl palmitate, 2-hexyldecyl palmitate, 2-heptylundecyl palmitate , Dipentaerythritol fatty acid ester, isononyl isononanoate, isotridecyl isononanoate, isopropyl myristate, isopropyl palmitate, 2-octyldodecyl myristate, 2-hexyldecyl myristate, myristyl myristate, hexyldecyl dimethyloctanoate, ethyl laurate , hexyl laurate, 2-ethylhexyl methoxycinnamate, diisostearyl malate; glyceryl triisooctanoate, glyceryl triisostearate, diglyceryl diisostearate, diglyceryl triisostearate, diglyceryl tetraisostearate, Trifatty acid glyceryl such as decaglyceryl decaisostearate, glyceryl triisopalmitate, glyceryl trimyristate, diglyceryl myristate isostearate, tridecyl trimellitate, tri(caprylic/capric)glyceryl; N-lauroyl-L- 2-octyldodecyl glutamate Amino acid oils such as esters and di(phytostearyl/2-octyldodecyl) N-lauroyl-L-glutamic acid; fatty acids such as isostearic acid and oleic acid; higher alcohols such as oleyl alcohol and isostearyl alcohol; Cyclic silicone oils such as cyclopentasiloxane and cyclohexasiloxane; chain silicone oils such as dimethylpolysiloxane, methylphenylpolysiloxane, alkoxy-modified organopolysiloxane, and fluorine-modified silicone; fluorine-based oils such as perfluoropolyether; Lanolin derivatives such as lanolin acetate, lanolin fatty acid isopropyl, and lanolin alcohol are included.

Examples of solid or semi-solid oils include oils and fats, such as theobroma grandiflorum seed fat, mango seed fat, cacao butter, palm oil, palm kernel oil, coconut oil, shea butter, Shoreathenoptera butter, African mango Unedea kernel oil, avocado oil, sal soju seed oil, astropotassium murumuru oil, astropotassium murumuru seed oil, astropotassium tsukuma seed oil, garcinia indica seed oil, tricilia emetica seed oil, basiaratifolia seed oil, garcinia indica seed oil, hydrogen Added cacao butter, (macadamia seed oil/hydrogenated macadamia seed oil) esters, milk fat and the like.

Examples of surfactants include higher fatty acid soaps, alkyl sulfates, alkyl phosphates, polyoxyethylene alkyl ether sulfates, polyoxyethylene alkylphenyl ether sulfates, alkyl ether phosphates, and alkyl ether carboxylates. , acylmethyltaurate, N-acyl-N-methyl-β-alanine, N-acylglycinate, N-acylglutamate, polyoxyethylene alkylcarboxylate, alkylphenyl ether sulfonate, alkylsulfosuccinic acid and Anionic surfactants such as salts thereof, N-acylsarcosine and its salts, polyoxyethylene coconut oil fatty acid monoethanolamide sulfate, lauroyl oat amino acid and its salts, cocoyl apple amino acids and its salts,
Alkylamine salts such as monoalkylamine salts, dialkylamine salts and trialkylamine salts, fatty acid amide alkylamines such as stearamidoethyldiethylamine and stearamidopropyldimethylamine, monoalkyl quaternary ammonium salts, dialkyl quaternary ammonium salts , trialkyl type quaternary ammonium salts, alkyl quaternary ammonium salts such as benzalkonium type quaternary ammonium salts, cyclic quaternary ammonium salts such as alkylpyridinium salts, cationic surfactants such as benzethonium chloride,
Alkyldimethylamino betaine, alkylamidoamino betaine, fatty acid amidopropyldimethylamino acetate betaine, 2-alkyl-N-carboxy-N-hydroxyimidazolinium betaine, alkylglycinate, carboxymethylglycinate, N-acylaminoethyl - amphoteric surfactants such as N-2-hydroxyethylglycine salts, alkylaminopropionates, alkyliminodipropionates, and alkylhydroxysulfobetaines;
Polyglyceryl-2 dipolyhydroxystearate, PEG-30 dipolyhydroxystearate, polyglyceryl-6 polyricinoleate, polyglyceryl-6 laurate, polyglyceryl-2 isostearate, decyl glucoside, (caprylyl/capryl ) glucoside, cetearyl glucoside, arachyl glucoside, (C12-20) alkyl glucoside, coconut oil alkyl glucoside, myristyl glucoside, heptyl glucoside, lauryl glucoside and other alkyl glucosides, sorbitan fatty acids such as sorbitan monolaurate and sorbitan monopalmitate Esters, glycerin fatty acid esters and their alkylene oxide adducts, polyoxyalkylene alkyl ethers, polyoxyalkylene fatty acid esters, polyoxyalkylene alkylphenols, polyoxyethylene sorbite fatty acid esters, polyoxyethylene alkylphenyl formaldehyde condensates, polyoxyethylene sterols and derivatives thereof, polyoxyethylene lanolin and its derivatives, polyoxyethylene beeswax derivatives, sucrose fatty acid esters, polyoxyethylene hydrogenated castor oil, nonionic surfactants such as polyoxyethylene castor oil,
PEG-11 Methyl Ether Dimethicone, PEG/PPG-20/22 Butyl Ether Dimethicone, PEG-9 Dimethicone, PEG-3 Dimethicone, PEG-9 Methyl Ether Dimethicone, PEG-10 Dimethicone, PEG-32 Methyl Ether Dimethicone, Cetyl PEG/PPG -10/1 dimethicone, PEG-9 polydimethylsiloxyethyl dimethicone, lauryl PEG-9 polydimethylsiloxyethyl dimethicone, methylpolysiloxane/cetylmethylpolysiloxane/poly(oxyethylene/oxypropylene) methylpolysiloxane copolymer, poly Polyether-modified silicone such as (oxyethylene/oxypropylene) methylpolysiloxane copolymer, (dimethicone/(PEG-10/15)) crosspolymer, polyglyceryl-3 polydimethylsiloxyethyl dimethicone, lauryl polyglyceryl-3 polydimethylsiloxy Polyglycerin-modified silicones such as ethyl dimethicone, and silicone surfactants such as dimethylsiloxane/methylcetylsiloxane copolymer can be used.

Polymer compounds include, for example, carboxyvinyl polymer, sodium carboxymethylcellulose, polyvinyl alcohol, high-molecular dimethylpolysiloxane, gum arabic, xanthan gum, tragacanth gum, cabrogum, guar gum, pectin, agar, quince seed, starch, algecolloid, dextran. , succinoglucan, collagen, gelatin, casein, albumin, carboxymethyl starch, methylcellulose, ethylcellulose, methylhydroxypropylcellulose, carboxymethylcellulose, hydroxymethylcellulose, hydroxypropylcellulose, nitrocellulose, sodium cellulose sulfate, sodium carboxymethylcellulose, sodium alginate. , polyvinyl methyl ether, sodium polyacrylate, polyethylene acrylate, cationic polymers, and polymers other than the compounds exemplified as component (B).

Examples of polymers other than the component (B) include (acryloyldimethyltaurate ammonium/steareth-25 methacrylate) crosspolymer, sodium polyacrylate, polyethylene acrylate, (acrylamidopropyltrimonium chloride/acrylates) copolymer, (acrylates/ Steareth-20 methacrylate) copolymer, (acrylates/beheneth-25 methacrylate) copolymer, (acrylates/steareth-20 itaconate) copolymer, steareth-10 allyl ether/acrylates copolymer, bisstearyl PEG/PPG-8/ 6 (SMDI/PEG-400) copolymer and the like.

Moisturizers include, for example, glycerin, propylene glycol, maltitol, sorbitol, 1,3-butylene glycol, sodium lactate, polyethylene glycol, sodium pyrrolidonecarboxylate, sodium hyaluronate and the like.

Whitening agents include, for example, hydroquinone, α-arbutin, β-arbutin, kojic acid, kojic acid dipalmitate, nicotinamide, astaxanthin, histidine dithiooctanamide (Na/zinc), placenta extract, rosemary extract, rucinol, Magnolignan, ellagic acid, chamomile extract, licorice extract, rucinol, rosemary extract, arbutin, tranexamic acid, cetyl tranexamic acid hydrochloride, linoleic acid, potassium 4-methoxysalicylate, ascorbic acid, ascorbic acid glucoside, ascorbic acid phosphate Examples include ascorbic acid derivatives such as magnesium.

Texture improvers include PPG-9 diglyceryl, PEG-11 methyl ether dimethicone, bisethoxydiglycol cyclohexane-1,4-dicarboxylate, amylopectin (amylose), acylated amino acids, polymethyl methacrylate, boron nitride, silica. , alumina, aluminum hydroxide, metal soap, silicone powder, polymethyl methacrylate, dimethyl silylated silica, and the like.

Agents may include anti-irritants or anti-inflammatory agents. The anti-roughness agent or anti-inflammatory agent includes, for example, dipotassium glycyrrhizinate, stearyl glycyrrhetinate, methyl salicylate, pyridoxine hydrochloride, allantoin, sea salt, licorice extract, aloe extract, gardenia extract, chamomile extract, licorice extract, soapberry extract, Chinese ginseng extract, Scutellaria root extract, Tencha extract, Loquat extract, Ginkgo biloba extract, Hypericum extract, Yarrow extract, Safflower extract, Spruce extract, Salvia extract, Birch extract, Chimp extract, Tonin extract, Neem extract, Althea extract, Arnica extract, Carrot extract, Peony extract , Cnidium extract, Gentian extract, Cordyceps extract, Phellodendron bark extract, Inchinkou extract, Gennoshoko extract, Peach leaf extract, Kumazasa extract, Yokuinin extract, Horse chestnut extract, Hawthorn extract, Coptis extract, Ganoderma extract, Calendula officinalis extract, Peppermint extract, Comfrey extract, butcher bloom extract, marshmallow extract, cornflower extract, prickly pear extract and the like. In addition, drugs for hair growth, drugs for acne, drugs for dandruff and itching, drugs for preventing underarm odor, etc. can also be mentioned as drugs.

UV absorbers include 2-hydroxy-4-methoxybenzophenone, sodium 2-hydroxy-4-methoxybenzophenone-5-sulfonate, sodium dihydroxydimethoxybenzophenone-sulfonate, 2,4-dihydroxybenzophenone, tetrahydroxybenzophenone, and the like. Benzophenone derivatives; Para-aminobenzoic acid derivatives such as para-aminobenzoic acid, ethyl para-aminobenzoate, glyceryl para-aminobenzoate, amyl para-dimethylaminobenzoate, octyl para-dimethylaminobenzoate; ethyl para-methoxycinnamate, isopropyl para-methoxycinnamate, para-aminobenzoate Methoxycinnamic acid derivatives such as 2-ethylhexyl methoxycinnamate (ethylhexyl methoxycinnamate), sodium para-methoxycinnamate, potassium para-methoxycinnamate, glyceryl di-para-methoxycinnamate mono-2-ethylhexanoate; octyl salicylate, Salicylic acid derivatives such as phenyl salicylate, homomenthyl salicylate, dipropylene glycol salicylate, ethylene glycol salicylate, myristyl salicylate, and methyl salicylate; dibenzoylmethane), 2-(2′-hydroxy-5′-methylphenyl)benzotriazole, methyl anthranilate, octocrylene (2-cyano-3,3-diphenylprop-2-enoate-2-ethylhexyl), 2 -(4-diethylamino-2-hydroxybenzoyl)hexylbenzoate (diethylaminohydroxybenzoylhexylbenzoate), ethylhexyltriazone and bisethylhexyloxyphenol methoxyphenyltriazine, and the like.

Examples of proteins, protein hydrolysates or derivatives thereof include proteins such as milk protein, silk protein, wheat protein, rice protein, pea protein, collagen, keratin, soybean, sesame, conchiolin, marine collagen, and hydrolysates thereof. acylated, glycerylated, silylated, cationized, alkyl-esterified derivatives and the like of products or protein hydrolysates.

Examples of amino acids or derivatives thereof include glycine, alanine, valine, leucine, isoleucine, serine, threonine, phenylalanine, arginine, lysine, asparagine, aspartic acid, glutamine, glutamic acid, cystine, cysteine, methionine, tryptophan, proline, histidine. and amino acids, and acylated, alkylated, glycerylated, and esterified derivatives thereof.

Examples of antioxidants include sodium pyrosulfite, vitamin E or derivatives thereof, tannin, and BHT (butylhydroxytoluene).

Examples of sequestering agents include edetate sodium salt, phosphoric acid, citric acid, phytic acid, etidronic acid, glutamic acid diacetate sodium salt, and the like.

Examples of pH adjusters include lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid, malic acid, potassium carbonate, sodium hydrogencarbonate, and ammonium hydrogencarbonate.

Examples of antiseptics include 1,2-alkanediols such as 1,2-pentanediol and 1,2-hexanediol, paraoxybenzoic acid alkyl esters such as methylparaben and propylparaben, benzoic acid, sodium benzoate, and sorbic acid. , potassium sorbate, phenoxyethanol, ethylhexylglycerin, and the like.

The above components that are commonly used in cosmetics can be used singly or in combination of two or more.

Examples of the form of the gel-like or gel-cream-like cosmetic of the present invention include lotion, milky lotion, cream, beauty essence, massage agent, pack agent, hand cream, body lotion, body cream, sunscreen agent, foundation, and eye shadow. , eyeliner, concealer and other skin care cosmetics.

EXAMPLES Next, the present invention will be specifically described with reference to examples, but the present invention is not limited to the examples. The numerical values shown in the tables of the examples are all percent by mass with respect to the total mass of the cosmetic.

Examples 1 to 9 and Comparative Examples 1 and 2: Aqueous gel Component (B) listed in Table 1 or (C) as a thickener other than (B) and other components were mixed, and then component (A) was added to prepare an aqueous gel.

[Evaluation of stability]
The aqueous gel prepared above was stored in a constant temperature bath at 25° C. and 50° C. for 4 weeks, and its stability was evaluated according to the following criteria. Viscosity measurements were made using a Brookfield LVT viscometer. Table 1 shows the results.
Stability:
A: Viscosity change was ±10% or less with respect to immediately after preparation.
◯: Viscosity change was ±10% or more and less than 20% immediately after preparation.
Δ: Viscosity change was ±20% or more and less than 30% immediately after preparation.
x: Viscosity change was ±30% or more from immediately after preparation.

表１中、＊１はＡｍｉｔｏｓｅ ＨＧＡ（ヘキシル３－グリセリルアスコルビン酸を２０質量％含有）、＊２はＡｍｉｔｏｓｅ ３ＬＧＡ（３－ラウリルグリセリルアスコルビン酸を１０質量％含有）（以上、商品名、いずれも株式会社成和化成製）として配合した。
＊３はＳＥＰＩＰＬＵＳ Ｓ、＊４はＳＥＰＩＭＡＸ ＺＥＮ（以上、商品名、いずれもＳＥＰＰＩＣ社製）、＊５はＰＥＭＵＲＥＮ ＴＲ－２（商品名、ルーブリゾール社製）、＊６はＡｒｉｓｔｆｌｅｘ ＡＶＣ、＊７はＡｒｉｓｔｆｌｅｘ ＨＭＢ（以上、商品名、いずれもクラリアントジャパン株式会社製）として配合した。

In Table 1, *1 is Amitose HGA (containing 20% by mass of hexyl 3-glyceryl ascorbic acid), *2 is Amitose 3LGA (containing 10% by mass of 3-laurylglyceryl ascorbic acid) (these are trade names, both stocks manufactured by Seiwa Kasei Co., Ltd.).
*3 is SEPIPLUS S, *4 is SEPIMAX ZEN (all trade names, manufactured by SEPPIC), *5 is PEMUREN TR-2 (trade name, manufactured by Lubrizol), *6 is Aristflex AVC, *7 is It was compounded as Aristflex HMB (both trade names, both manufactured by Clariant Japan Co., Ltd.).

As is clear from the results in Table 1, the aqueous gels of Examples 1 to 9 prepared using component (A) glyceryl ascorbic acid and component (B), which is a specific thickening agent, had a thickener other than (B). Compared to Comparative Examples 1 and 2 in which the viscous agent (C) was blended, it was found that the change in viscosity during storage was small and the stability over time was excellent.

Examples 10 to 18: Gel Cream After mixing (a) and (b) shown in Table 2, (c) and (d) were added and stirred to prepare a gel cream. The gel cream thus prepared was evaluated for storage stability over time in the same manner as in Table 1.

In Table 2, *1, 3, 4 and 5 are the same as in Table 1. *8 was compounded as KF-6011 (trade name, manufactured by Shin-Etsu Chemical Co., Ltd.), and *9 was blended as Neosolue-Aqulio (trade name, manufactured by Nippon Fine Chemical Co., Ltd.).

As the results in Table 2 show, it was clear that the gel creams prepared in Examples 10 to 18 had excellent stability over time during storage.

Claims (3)

It contains the following components (A) and (B), and the content of component (A) is 0.1 to 2.0% by mass and the content of component (B) is 0.5 to 4.0% by mass. A gel or gel cream cosmetic.
(A) one or more selected from glyceryl ascorbic acid or salts thereof; -30)) One or more thickeners selected from crosspolymers Glyceryl ascorbic acid of component (A) is 2-O-alkyl-3-O-glyceryl ascorbic acid, 2-O-glyceryl-3-O-alkyl ascorbic acid, 3-O-alkyl glyceryl ascorbic acid A gel or gel cream cosmetic according to claim 1. Component (B) is (hydroxyethyl acrylate/acryloyldimethyltaurate Na) copolymer, polyacrylate crosspolymer-6, (acryloyldimethyltaurate ammonium/vinylpyrrolidone) copolymer, (acryloyldimethyltaurate ammonium/methacrylate beheneth-25) 3. The cosmetic gel or gel cream according to claim 1 or 2, which is selected from crosspolymers and (acrylates/alkyl acrylate (C10-30)) crosspolymers.