JP2023087515A - aqueous composition - Google Patents

Abstract

To provide means for easily solubilizing an oil-based component in an aqueous composition, creating a transparent appearance.SOLUTION: An aqueous composition contains hydrolyzed silk, a derivative thereof and/or a salt thereof, polyether-modified silicone with a melting point of 25-55°C, and oil-based component.SELECTED DRAWING: None

Description

The present invention relates to aqueous compositions.

Aqueous cosmetics such as lotions are widely used because they penetrate the skin and impart a moisturizing feeling. Lipophilic ingredients are generally blended in aqueous cosmetics, and usually lipophilic ingredients are solubilized in an aqueous medium. Such water-based cosmetics are preferred to be transparent because lipophilic components and hydrophilic components can be administered at the same time and they are excellent in appearance (Patent Document 1, etc.).

JP 2013-256476 A

Cosmetics generally contain various oily components, some of which are difficult to dissolve in aqueous cosmetics. In particular, essential oils, oily fragrances, silicone oils, etc. are considered to be less soluble than many mineral oils, ester oils, and the like.
In view of such circumstances, an object of the present invention is to provide an aqueous composition in which an oily component is easily made transparent and solubilized.

As a result of intensive studies to solve the above problems, the present inventors found that the above problems can be solved by combining hydrolyzed silks and a predetermined polyether-modified silicone, and completed the present invention. Arrived.

That is, the present invention is as follows.
[1] An aqueous composition containing hydrolyzed silk, a derivative thereof and/or a salt thereof, a polyether-modified silicone having a melting point of 25 to 55°C, and an oily component.
[2] The composition according to [1], wherein the derivative of hydrolyzed silk is lauroyl hydrolyzed silk.
[3] The composition according to [1] or [2], wherein the content of the hydrolyzed silk, derivatives thereof and/or salts thereof is 0.1 to 5% by mass relative to the entire composition.
[4] The composition according to any one of [1] to [3], wherein the polyether-modified silicone content is 0.01 to 10% by mass relative to the entire composition.
[5] The mass ratio of the content of the hydrolyzed silk, derivatives thereof and/or salts thereof to the content of the polyether-modified silicone is 10:1 to 1:10 [1] to [4] ] The composition according to any one of the above.
[6] The composition according to any one of [1] to [5], wherein the content of the oily component is 0.001 to 5% by mass relative to the entire composition.

INDUSTRIAL APPLICABILITY According to the present invention, an aqueous composition is provided in which an oily component is solubilized to be transparent.

The aqueous composition of the present invention comprises hydrolyzed silk, derivatives thereof and/or salts thereof, having a melting point of 2
Contains polyether-modified silicone at 5 to 55°C and an oil component.

In this specification, hydrolyzed silk, derivatives thereof and/or salts thereof are collectively referred to as "hydrolyzed silks".
Hydrolyzed silk refers to peptides obtained by hydrolyzing silk fiber proteins. It is usually obtained by subjecting silk protein to acid treatment, alkali treatment, enzyme treatment, or the like. The size of the peptide is not particularly limited. may contain, or may contain free amino acids.
Hydrolyzed silks have an amphipathic structure because they contain a peptide structure as described above and usually contain hydrophobic and hydrophilic amino acid residues. Therefore, in the present invention, it is considered that it functions in the same manner as a surfactant, and even oily components that are difficult to solubilize can be transparently and stably solubilized in an aqueous medium.

Derivatives of hydrolyzed silk include alkyl adducts that may have various functional groups, and salts thereof include sodium salts, potassium salts, calcium salts and the like, but are not particularly limited. Specifically, lauroyl hydrolyzed silk sodium, stearoyl hydrolyzed silk sodium, (hydrolyzed silk/PG-propylmethylsilanediol) crosspolymer, N-[2-hydroxy-3-[3-(dihydroxymethylsilyl)propoxy ]Propyl] hydrolyzed silk, dihydroxymethylsilylpropoxy PG hydrolyzed silk, dihydroxymethylsilylpropoxyhydroxypropyl hydrolyzed silk, silicone resin hydrolyzed silk, hydrolyzed silk ethyl, stearyl dimethylammonio hydroxypropyl hydrolyzed silk, chloride N-[ 2-hydroxy-3-(lauryldimethylammonio)propyl]hydrolyzed silk, N-[2-hydroxy-3-(trimethylammonio)propyl]hydrolyzed silk chloride, trimethylammoniohydroxypropyl chloride hydrolyzed silk, palm chloride and oil alkyldimethylammoniohydroxypropyl hydrolyzed silk. Among these, lauroyl hydrolyzed silk or salts thereof are particularly preferred.

The content of hydrolyzed silks in the aqueous composition of the present invention is preferably 0.1 to 5% by mass, more preferably 0.15 to 3% by mass, more preferably 0.2 to 5% by mass, relative to the entire composition. It is 2% by mass.
By using it in this range, it becomes easy to stably solubilize the oily component.

The polyether-modified silicone essentially contained in the aqueous composition of the present invention has a melting point of 25 to 55° C. and has a siloxane skeleton and a polyoxyalkylene group. In addition, you may further have another functional group.
Here, the siloxane skeleton refers to a so-called silicone chain, and includes dimethylpolysiloxane (dimethicone), methylphenylpolysiloxane, methylhydrogenpolysiloxane, and the like. The length of the silicone chain is not particularly limited, and may be of a size commonly used in cosmetics and the like. In addition, the polyether-modified silicone may be a block copolymer type containing a polyoxyalkylene group chain and a silicone chain in the main chain or a terminal-modified type, or a side chain of the siloxane skeleton to which the polyoxyalkylene group is bonded. A chain denaturing type may be used.
The number of moles of oxyalkylene added to the polyoxyalkylene group contained in the polyether-modified silicone is preferably 4-40, more preferably 10-32.

Specific examples of polyether-modified silicones having a melting point of 25 to 55° C. include bisPEG-18 methyl ether dimethylsilane (melting point 36 to 42° C., commercial products such as “2501 CosmeticWax” (manufactured by Dow Toray Co., Ltd.)), bis PEG- 15 methyl ether dimethicone (melting point about 30 ° C., commercially available "DMC 6038" (Wacker), etc.), PEG-32 methyl ether dimethicone (melting point 45 ° C., commercially available "KF-6004" (Shin-Etsu Chemical Co., Ltd.) etc.), PEG-17 dimethicone (melting point 28° C., commercial product “Silsoft 895” (manufactured by MOMENTIVE), etc.).
Any one or more of polyether-modified silicones having a melting point of 25 to 55° C. may be used.

The content of the polyether-modified silicone having a melting point of 25 to 55° C. in the aqueous composition of the present invention is preferably 0.1 to 10% by mass, more preferably 0.3 to 5% by mass, based on the total composition. More preferably, it is 0.5 to 2% by mass.
By using it in this range, it becomes easy to stably solubilize the oily component.

The mass ratio of the total content of hydrolyzed silks to the content of polyether-modified silicone having a melting point of 25 to 55° C. in the aqueous composition of the present invention is preferably 10:1 to 1:10, more preferably 5:1 to 1:5, more preferably 3:1 to 1:3.
By using it in this range, it becomes easy to stably solubilize the oily component.

The oily component essentially contained in the aqueous composition of the present invention refers to a so-called oil agent, an oil-soluble component, etc. Specifically, it is suspended in water at 25 to 65 ° C. and allowed to stand for 1 hour before phase-separating from the water. point to the ingredients.
Oily components preferably include essential oils, oily perfumes, and silicone oils.

Essential oils are mixtures of water-insoluble to sparingly soluble organic compounds contained in plants, and generally contain volatile organic compounds and have aromatic properties depending on the raw material. As the essential oil used in the present invention, those produced by a conventional method and commercially available ones can be used.
In the present invention, the part from which the essential oil is collected is not particularly limited, and includes flowers, branches, leaves, roots, fruits, buds, etc., but the whole plant can also be used.
In addition, the method of extracting the essential oil in the present invention is not particularly limited, and includes steam distillation method, solvent extraction method, compression method, adsorption/absorption method, leaching method, and method of recovering exuded liquid by injuring the plant. Steam distillation is preferred.

The oil-based perfume is a perfume exhibiting oil solubility, and can be used regardless of whether it is synthetic or natural. Moreover, what was manufactured by a conventional method and a commercially available thing can be used.

Essential oils and oleaginous fragrances include, but are not limited to, acetylcedrene, amylcinnamaldehyde, allyl amyl glycolate, beta-ionone, iso-e-super, isobutylquinoline, iris oil, iron, indole, ylang-ylang oil, undecanal, Undecenal, γ-undecalactone, estragole, eugenol, oakmoss, opoponax resinoid, orange oil, eugenol, aurantiol, galacsolid, carvacrol, L-carvone, camphor, cannon, carrot seed oil, clove oil, Methyl cinnamate, geraniol, geranyl nitrile, isobornyl acetate, geranyl acetate, dimethylbenzyl carbyl acetate, styraryl acetate, cedryl acetate, terpinel acetate, p-t-butylcyclohexyl acetate, betiberyl acetate, benzyl acetate, linalyl acetate, isopentyl salicylate, benzyl salicylate , sandalwood oil, santalol, cyclamenaldehyde, cyclopentadecanolide, methyl dihydrojasmonate, dihydromyrcenol, jasmine absolute, jasmine lactone, cis-jasmon, citral, citronenol, citronellal, cinnamon bark oil, 1,8 - cineole, cinnamaldehyde, styrax resinoid, cedarwood oil, cedren, cedrol, celery seed oil, thyme oil, damascone, damascenone, thymol, tuberose absolute, decanal, decalactone, terpineol, gamma-terpinene, tripral, nerol, nonanal, 2 ,6-nonadienol, nonalactone, patchouli alcohol, vanilla absolute, vanillin, basil oil, patchouli oil, hydroxycitronellal, alpha-pinene, piperitone, phenethyl alcohol, phenylacetaldehyde, petitgrain oil, hexylcinnamaldehyde, cis-3-hexenol , Peruvian balsam, vetiver oil, vetiverol, peppermint oil, pepper oil, heliotropin, bergamot oil, benzyl benzoate, borneol, myresinoid, musk ketone, methylnonylacetaldehyde, γ-methylionone, menthol, L-menthol, L-mentone, eucalyptus Oil, β-ionone, lime oil, lavender oil, D-limonene, linalool, lyral, lyreal, lemon oil, rose absolute, rose oxide, rose oil, rosemary oil and the like.

Examples of silicone oils include dimethylpolysiloxane (dimethicone), cyclopentasiloxane, decamethylcyclopentasiloxane, caprylyl methicone, (dimethicone/vinyl dimethicone) crosspolymer, (dimethicone/phenyl vinyl dimethicone) crosspolymer, and the like.

In addition to essential oils, oily fragrances, and silicone oils, oily ingredients other than oily ingredients include other oils, and specific examples include polar oils, natural oils, and hydrocarbon oils.

Polar oils include synthetic ester oils such as isopropyl myristate, cetyl octanoate, octyldodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyldecyl dimethyloctanoate, and lactic acid. Cetyl, myristyl lactate, lanolin acetate, isocetyl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearate, ethylene glycol di-2-ethylhexylate, dipentaerythritol fatty acid ester, N-alkyl glycol monoisostearate, neopentyl dicaprate Glycol, diisostearyl malate, glyceryl di-2-heptylundecanoate, trimethylolpropane tri-2-ethylhexylate, trimethylolpropane triisostearate, pentaneerythritol tetra-2-ethylhexylate, tri-2-ethylhexanoic acid Glyceryl, trimethylolpropane triisostearate, cetyl 2-ethylhexanoate, 2-ethylhexyl palmitate, glyceryl trimyristate, tri-2-heptylundecanoic acid glyceride, castor oil fatty acid methyl ester, oleic oil, cetostearyl alcohol , acetoglyceride, 2-heptylundecyl palmitate, diisobutyl adipate, N-lauroyl-L-glutamic acid 2-octyldodecyl ester, di-2-heptylundecyl adipate, ethyl laurate, di-2-sebacate Ethylhexyl, 2-hexyldecyl myristate, 2-hexyldecyl palmitate, 2-hexyldecyl adipate, diisopropyl sebacate, 2-ethylhexyl succinate, ethyl acetate, butyl acetate, amyl acetate, triethyl citrate, octyl methoxycinnamate etc.

Natural oils include 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, and linseed oil. Flower oil, cottonseed oil, perilla oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, sinagiri oil, Japanese paulownia oil, jojoba oil, germ oil, sunflower oil, triglycerin, glycerin trioctanoate, triisopalmitin Acid glycerin and the like can be mentioned.

Hydrocarbon oils include isododecane, isohexadecane, squalane, hydrogenated poly(C6-12) olefins, hydrogenated polyisobutene and the like.

The aqueous composition of the present invention may contain one oil component or a combination of two or more.

The content of the oily component in the aqueous composition of the present invention is preferably 0.001 to 5% by mass, more preferably 0.01 to 1% by mass, based on the total amount of the composition alone or in combination. %, more preferably 0.1 to 0.5 mass %. From the viewpoint of solubilization stability, it is preferably 5 mass % or less, and from the viewpoint of the effect in the composition, it is preferably 0.001 mass % or more.

The aqueous composition of the present invention can be produced by a conventional method. That is, the order of mixing is not particularly limited, and the ingredients can be mixed in any order and by any method and obtained by solubilization.

The aqueous composition of the present invention generally uses water as a main medium. Specifically, the content is preferably 50% by mass or more, more preferably 55% by mass or more, and still more preferably 60% by mass or more of the entire composition.
The aqueous composition of the present invention is usually transparent because the ingredients are solubilized in water, that is, in a so-called solubilized form. However, when hydrophobic powder or the like is contained, it may be in a state in which the powder is precipitated when left standing and the medium portion is transparent.
In this specification, the term “transparency” can be qualitatively determined by visually confirming that there is no stain or turbidity, and can be quantitatively determined by visible light measured with a spectrophotometer at 25 ° C. The transmittance (wavelength: 600 nm, optical path length: 1 cm) may be in the range of 70 to 100 when distilled water as a control is defined as 100.

The aqueous composition of the present invention is preferably in the form of an external preparation for skin, and specifically in the form of cosmetics, quasi-drugs, and pharmaceuticals.

The aqueous composition of the present invention may optionally contain other components as long as the effects of the present invention are not impaired.
Such optional ingredients may be those commonly used in external skin preparations such as cosmetics, and examples include alcohols, ethers, powders, moisturizers, other surfactants, sequestering agents, pearlescent agents, and amino acids. , organic amines, polymer emulsions, pH adjusters, vitamins, antioxidants, preservatives, water-soluble polymers, and various active ingredients.

Examples of alcohols include ethylene glycol, 1,3-butylene glycol, trimethylene glycol, 1,2-butylene glycol, propylene glycol, dipropylene glycol, propanediol, 1,2-pentanediol, 3-methyl-1, dihydric alcohols such as 3-butanediol, tetramethylene glycol, 2,3-butylene glycol, pentamethylene glycol, 2-butene-1,4-diol, hexylene glycol and octylene glycol; tetravalent alcohols such as pentaerythritol; pentavalent alcohols such as xylitol; polyhydric alcohol polymers such as triglycerin, tetraglycerin and polyglycerin; sugar alcohols such as starch-decomposing sugar reducing alcohol;
Ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, ethylene glycol monophenyl ether, ethylene glycol monohexyl ether, ethylene glycol mono-2-methylhexyl ether, ethylene glycol isoamyl ether, ethylene glycol benzyl ether, ethylene glycol isopropyl alcohol alkyl ethers such as ethers;
Diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monobutyl ether, propylene glycol isopropyl ether, dipropylene glycol alcohol alkyl ethers such as methyl ether, dipropylene glycol ethyl ether, and dipropylene glycol butyl ether;
glycerin monoalkyl ethers such as xyl alcohol, selachyl alcohol, and batyl alcohol;
Alcohol polymers such as diethylene glycol, triethylene glycol, polypropylene glycol, tetraethylene glycol, polyethylene glycol;
Glysolid; tetrahydrofurfuryl alcohol; POE-tetrahydrofurfuryl alcohol; POP-butyl ether; POP-POE-butyl ether; tripolyoxypropylene glycerin ether; POP-glycerin ether; erythritol ether, and the like.

As ethers, in addition to those corresponding to the above alcohols,
Ethylene glycol dimethyl ether, ethylene glycol diethyl ether, ethylene glycol dibutyl ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol methyl ethyl ether, ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether acetate, ethylene glycol monophenyl Ether acetate, ethylene glycol diazibate, ethylene glycol disuccinate, diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether acetate, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, propylene glycol monopropyl ether acetate, propylene glycol monophenyl Ether acetate etc. are mentioned.

The shape of the powder is not particularly limited, such as spherical, needle-like, and plate-like. Pleurotite, biotite, permiculite, magnesium carbonate, calcium carbonate, aluminum silicate, barium silicate, calcium silicate, magnesium silicate, strontium silicate, metal tungstate, magnesium, silica, alumina, zeolite, barium sulfate, Calcined calcium sulfate (calcined gypsum), calcium phosphate, fluorapatite, hydroxyapatite, ceramic powder, boron nitride, etc.); organic powders (e.g., polyamide resin powder (nylon powder), polyethylene powder, poly(meth)acrylate powder, polystyrene powder, copolymer resin powder of styrene and acrylic acid, silicone resin powder, benzoguanamine resin powder, polytetrafluoroethylene powder, cellulose powder, etc.); metal soap (e.g. zinc myristate, calcium palmitate, aluminum stearate) Inorganic white pigments (e.g., titanium dioxide, zinc oxide, etc.); Inorganic red pigments (e.g., iron oxide (red iron oxide), iron titanate, etc.); Inorganic brown pigments (e.g., γ-iron oxide, etc.); Inorganic yellow system pigments (e.g., yellow iron oxide, ocher, etc.); inorganic black pigments (e.g., black iron oxide, low order titanium oxide, 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 blue, navy 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., 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 3 No. and Blue No. 1, etc.); natural pigments (eg, chlorophyll, β-carotene, etc.), and the like.

Examples of moisturizing agents include chondroitin sulfate, hyaluronic acid, mucoitin sulfate, caroninic acid, atelocollagen, cholesteryl-12-hydroxystearate, sodium lactate, dl-pyrrolidone carboxylate, short-chain soluble collagen, and diglycerin (EO) PO. Examples include adducts, Isophylla extract, Achillea millefolium extract, Melilot extract and the like.

Other surfactants include anionic surfactants, cationic surfactants, amphoteric surfactants, and nonionic surfactants (other nonionic surfactant).

Examples of anionic surfactants include fatty acid soaps (e.g., sodium laurate, sodium palmitate, etc.); higher alkyl sulfate salts (e.g., sodium lauryl sulfate, potassium lauryl sulfate, etc.); alkyl ether sulfate salts (e.g., , POE lauryl sulfate triethanolamine, POE sodium lauryl sulfate, etc.); N-acylsarcosic acid (e.g., sodium lauroyl sarcosinate, etc.); higher fatty acid amide sulfonates (e.g., N-myristoyl-N-methyltaurate sodium, coconut oil fatty acid methyl tauride sodium, lauryl methyl tauride sodium, etc.); phosphate ester salts (POE oleyl ether phosphate, POE stearyl ether phosphate, etc.); lauroyl monoethanolamide sodium polyoxyethylene sulfosuccinate, sodium lauryl polypropylene glycol sulfosuccinate, etc.); higher fatty acid ester sulfate (e.g., sodium hydrogenated coconut oil fatty acid glycerol sulfate, etc.); sodium, etc.); sulfated oil (e.g., funnel oil, etc.); POE alkyl ether carboxylic acid; POE alkyl allyl ether carboxylate; α-olefin sulfonate; higher fatty acid ester sulfonate; higher fatty acid alkylolamide sulfate; sodium lauroyl monoethanolamide succinate; N-palmitoyl aspartic acid ditriethanolamine; sodium caseinate;

Cationic surfactants include, for example, 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 and the like.

Amphoteric surfactants include, for example, imidazoline amphoteric surfactants (e.g., 2-undecyl-N,N,N-(hydroxyethylcarboxymethyl)-2-imidazoline sodium, 2-cocoyl-2-imidazolinium hydroxide side-1-carboxyethyloxy disodium salt, etc.); betaine surfactants (e.g., 2-heptadecyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, lauryldimethylaminoacetic acid betaine, alkylbetaine, amidobetaine , sulfobetaine, etc.) and the like.

Other nonionic surfactants include polyether-modified silicones whose melting point is not 25-55° C. (eg, polyethylene glycol-10 dimethicone, polyethylene glycol-12 dimethicone, etc.); polyglycerin-modified silicones (eg, polyglyceryl -3 disiloxane dimethicone, polyglyceryl-3 polydimethylsiloxyethyl dimethicone, etc.); sorbitan monostearate, sorbitan sesquioleate, sorbitan trioleate, diglycerol sorbitan penta-2-ethylhexylate, diglycerol sorbitan tetra-2-ethylhexylate, etc.); , glyceryl sesquioleate, glyceryl monostearate, α,α'-glyceryl pyroglutamate oleate, glyceryl (monostearate/malate), etc.); propylene glycol fatty acid esters (eg, propylene glycol monostearate, etc.); POE castor oil/hydrogenated castor oil derivatives (POE castor oil, POE hydrogenated castor oil, etc.); and non-hydrophilic nonionic surfactants such as glycerin alkyl ether. Also, polyglycerin fatty acid esters (e.g., polyglyceryl monooleate, polyglyceryl monostearate, etc.); POE sorbitan fatty acid esters (e.g., POE sorbitan monooleate, POE sorbitan monostearate, POE sorbitan tetraoleate, etc.); POE Sorbit 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 glycerin monostearate); isostearate, POE monooleate such as POE glycerol triisostearate, etc.); 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.); POE alkylphenyl ethers (eg, POE nonylphenyl ether, etc.); Trademark), etc.); 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.); ); Tetra POE/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, POE hydrogenated castor oil monopyroglutamic acid monoisostearic acid diester, POE hydrogenated castor oil maleic acid, etc.); POE beeswax/lanolin derivatives (e.g., POE sorbitol beeswax, etc.); POE propylene glycol fatty acid ester; POE alkylamine; POE fatty acid amide; sucrose fatty acid ester; alkyl glucoside; Nonionic surfactants are also included.

However, the aqueous cosmetic composition of the present invention preferably does not substantially contain other surfactants other than the polyether-modified silicone having a melting point of 25 to 55°C. Here, "substantially not contained" means that the content is preferably 3% by mass or less, more preferably 1% by mass or less, and still more preferably 0.5% by mass or less of the entire cosmetic.

Examples of sequestering agents include 1-hydroxyethane-1,1-diphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acid tetrasodium salt, disodium edetate, trisodium edetate, and tetrasodium edetate. , sodium citrate, sodium polyphosphate, sodium metaphosphate, gluconic acid, phosphoric acid, citric acid, ascorbic acid, succinic acid, edetic acid, trisodium ethylenediaminehydroxyethyl triacetate, and the like.

Pearl agents include, for example, glycol distearate and titanium mica.

Amino acids include, for example, neutral amino acids (eg, threonine, cysteine, etc.); basic amino acids (eg, hydroxylysine, etc.) and the like. Examples of amino acid derivatives include sodium acyl sarcosinate (sodium lauroyl sarcosinate), acyl glutamate, sodium acyl β-alanine, glutathione, pyrrolidone carboxylic acid and the like.

Examples of organic amines include monoethanolamine, diethanolamine, triethanolamine, morpholine, triisopropanolamine, 2-amino-2-methyl-1,3-propanediol, 2-amino-2-methyl-1-propanol, and the like. is mentioned.

Examples of polymer emulsions include acrylic resin emulsions, polyethyl acrylate emulsions, acrylic resin liquids, polyacryl alkyl ester emulsions, polyvinyl acetate resin emulsions, and natural rubber latex.

Examples of pH adjusters include buffers such as lactic acid-sodium lactate, citric acid-sodium citrate, and succinic acid-sodium succinate.

Examples of vitamins include vitamins A, B1, B2, B6, C, E and derivatives thereof, pantothenic acid and derivatives thereof, biotin and the like.

Examples of antioxidants include tocopherols, dibutylhydroxytoluene (BHT), butylhydroxyanisole, pyrosulfite, gallic acid ester, phosphoric acid, citric acid, ascorbic acid, maleic acid, malonic acid, succinic acid, and fumaric acid. , cephalin, hexametaphosphate, phytic acid, ethylenediaminetetraacetic acid, and the like.

Examples of antiseptics include parabens and phenoxyethanol.

Water-soluble polymers include, for example, plant-based polymers (e.g., carrageenan, starch (rice, corn, potato, wheat), glycyrrhizic acid); microbial-based polymers (e.g., dextran, pullulan, etc.); animal-based polymers natural water-soluble polymers such as (for example, collagen, casein, albumin, gelatin, etc.),
starch-based polymers (e.g., carboxymethyl starch, methylhydroxypropyl starch, etc.); methylcellulose, carboxymethylcellulose sodium, crystalline cellulose, cellulose powder, etc.);
Vinyl-based polymers (e.g., polyvinyl alcohol, polyvinyl methyl ether, polyvinylpyrrolidone, carboxyvinyl polymer, etc.); polyoxyethylene-based polymers (e.g., polyethylene glycol 20,000, 40,000, 60,000, etc.); acrylic-based Polymers (eg, sodium polyacrylate, polyethyl acrylate, polyacrylamide, etc.); polyethylenimine; synthetic water-soluble polymers such as cationic polymers.

Examples of various active ingredients include antiphlogistic agents (e.g., glycyrrhizic acid derivatives, glycyrrhizic acid derivatives, salicylic acid derivatives, hinokitiol, zinc oxide, allantoin, etc.); whitening agents (e.g., placenta extract, saxifrage extract, arbutin, etc.); Various extracts (e.g., Phellodendron bark, Coptis japonica, Chikon, Peony, Japanese juniper, Birch, Sage, Loquat, Carrot, Aloe, Mallow, Iris, Grape, Yokuinin, Loofah, Lily, Saffron, Cnidium, Shokyu, Hypericum, Ononis, Garlic , red pepper, chilli, angelica root, seaweed, etc.), activators (e.g., royal jelly, photosensitizer, cholesterol derivatives, etc.); , gingerone, cantharis tincture, ictamol, tannic acid, α-borneol, tocopherol nicotinate, inositol hexanicotinate, cyclanderate, cinnarizine, tolazoline, acetylcholine, verapamil, cepharanthine, γ-oryzanol, etc.); sulfur, thianthol, etc.); anti-inflammatory agents (eg, tranexamic acid, thiotaurine, hypotaurine, etc.);

EXAMPLES Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited to the following examples as long as the gist thereof is not exceeded.

An aqueous composition was prepared by mixing the ingredients shown in Table 1.
A skilled evaluator evaluated the dissolution state of each aqueous composition obtained. The results are also shown in Table 1.

<Transparency>
The transparency immediately after production was evaluated according to the following criteria.
◎: Transparent 〇: Almost transparent △: Slight turbidity or separation ×: Turbidity or separation

<ori>
The presence or absence of lees after 24 hours at 0°C after production was evaluated according to the following criteria.
〇: Do not allow cages ×: Allow cages

INDUSTRIAL APPLICABILITY According to the present invention, an aqueous composition is provided in which an oily component is solubilized to be transparent. Such compositions are suitable for external skin preparations such as cosmetics, meet consumer needs for excellent functionality and pleasant appearance, and are industrially very useful.

Claims (6)

An aqueous composition comprising hydrolyzed silk, a derivative thereof and/or a salt thereof, a polyether-modified silicone having a melting point of 25 to 55°C, and an oily component. 2. The composition according to claim 1, wherein said derivative of hydrolyzed silk is lauroyl hydrolyzed silk. The composition according to claim 1 or 2, wherein the content of hydrolyzed silk, derivatives thereof and/or salts thereof is 0.1-5% by weight relative to the total composition. The composition according to any one of claims 1 to 3, wherein the content of said polyether-modified silicone is 0.01 to 10% by mass relative to the total composition. 5. Any one of claims 1 to 4, wherein the content of the hydrolyzed silk, derivatives thereof and/or salts thereof and the content of the polyether-modified silicone have a mass ratio of 10:1 to 1:10. A composition according to claim 1. The composition according to any one of claims 1 to 5, wherein the content of said oily component is 0.001 to 5% by mass relative to the entire composition.