CN116472020A - Aqueous composition - Google Patents

Abstract

The aqueous composition comprises: 0.5 to 22 mass% of a 1 st powder, wherein the 1 st powder is a non-spherical powder having a hydrophobic particle surface; 6 to 30 mass% of a liquid alcohol; and 50 mass% or more of water. The 2 nd powder as the spherical powder is 1.5 parts by mass or less with respect to 1 st powder by mass. The oil component is 5% by mass or less relative to the mass of the aqueous composition. The mass of the surfactant relative to the mass of the aqueous composition is 0.5% or less.

Description

Aqueous composition

RELATED APPLICATIONS

The present invention is based on the japanese patent application: priority claims of Japanese patent application 2020-178825 (application of 26 months of 2020), japanese patent application 2020-178826 (application of 26 months of 2020) and Japanese patent application 2021-86457 (application of 21 months of 2021), the entire contents of which are incorporated herein by reference.

Technical Field

The present disclosure relates to aqueous compositions containing powders.

Background

Cosmetic compositions containing powders are known. For example, patent document 1 discloses a cosmetic preparation having a cream-like or paste-like consistency and capable of being applied in a thin manner.

The cosmetic preparation described in patent document 1 contains about 80% by mass of water, 5% by mass of hydrophobicized silica powder, 2.5% by mass of hydrophilized mica, 5% by mass of pentanediol, 2% by mass of polydimethylsiloxane, 0.5% by mass of dimethicone copolyol, 0.75% by mass of sodium carboxymethyl starch, and the like.

Prior art literature

Patent literature

Patent document 1: japanese patent publication No. 2007-512380

Disclosure of Invention

Problems to be solved by the invention

The following analysis is given from the point of view of the present disclosure.

In an aqueous composition containing a powder, it is desirable that the powder be dispersed in the composition. In the cosmetic preparation described in patent document 1, the hydrophobized silica powder is added as a spherical powder to maintain the stability of the composition. However, if a large amount of spherical particles (spherical powder) exist, uneven application of the spherical powder occurs at the time of application, and uniform gloss is impaired. In addition, if the amount of the liquid polyol is small, the user feels tight when applying the liquid polyol, and the user is more likely to feel a powder feeling.

Therefore, there is a demand for a powder-containing aqueous composition having stable powder dispersibility, uniformity of a coating film, suppression of generation of a rough feel at the time of application, and further having a high effect of less 2 times of adhesion.

Means for solving the problems

According to viewpoint 1 of the present disclosure, there is provided an aqueous composition comprising: 0.5 to 22 mass% of a 1 st powder, wherein the 1 st powder is a non-spherical powder having a hydrophobic particle surface; 6 to 30 mass% of a liquid alcohol; and 50 mass% or more of water. The 2 nd powder as the spherical powder is 1.5 parts by mass or less with respect to 1 st powder by mass. The oil component is 5% by mass or less relative to the mass of the aqueous composition. The mass of the surfactant relative to the mass of the aqueous composition is 0.5% or less.

ADVANTAGEOUS EFFECTS OF INVENTION

According to the aqueous composition of the present disclosure, the powder can be stably dispersed in the aqueous composition while suppressing aggregation without requiring an oily component and a surfactant.

The aqueous composition of the present disclosure can uniformly apply the powder-containing substance to an application object (e.g., skin). Thereby, the appearance of the application area can be adjusted. In addition, the powder adheres uniformly to the application target (for example, skin), and thus secondary adhesion to the mask and clothing can be suppressed.

According to the aqueous composition of the present disclosure, the generation of a rough feel at the time of application can be suppressed.

Detailed Description

Preferred embodiments of the above viewpoints are described below.

According to the preferred mode of the above-mentioned 1 st viewpoint, the 1 st powder is at least 1 selected from the group consisting of plate-like powder and bulk powder.

According to the preferred embodiment of the 1 st viewpoint, the 1 st powder has an average aspect ratio of 1.5 to 170.

According to the preferred mode of the 1 st viewpoint described above, the average aspect ratio of the 2 nd powder is less than 1.2.

According to a preferred embodiment of the above-mentioned viewpoint 1, the 1 st powder is a plate-like powder which has been subjected to a coating treatment with at least 1 selected from the group consisting of higher fatty acids, metal soaps, organosilicon compounds, surfactants, and dextrin fatty acid esters.

According to the preferred mode of the above point 1, the liquid alcohol comprises a lower monohydric alcohol, and a liquid polyhydric alcohol.

According to a preferred mode of the above 1 st viewpoint, the lower monohydric alcohol is ethanol.

According to the preferred mode of the above point 1, the liquid polyol is at least 1 selected from the group consisting of glycerin, 1, 3-butanediol, polyethylene glycol, diglycerin, and dipropylene glycol.

According to a preferred mode of the above viewpoint 1, the powder-containing composition further comprises at least 1 selected from the group consisting of (PEG-240/decyl tetradecyl polyether-20/HDI) copolymer, (dimethylacrylamide/sodium acryloyldimethyl taurate) crosslinked polymer and polyurethane-59.

According to the preferred mode of the above-mentioned viewpoint 1, the aqueous composition has a viscosity of 1,000 mPas to 150,000 mPas.

According to the preferred mode of viewpoint 1 described above, the aqueous composition is applied to a cosmetic.

In the following description, POE is shorthand for polyoxyethylene, POP is shorthand for polyoxypropylene, and numbers in brackets after POE or POP represent average addition mole numbers of POE groups or POP groups in the compound.

In the present disclosure, "effective mass" refers to an amount capable of producing an action effect by the addition of the compound.

An aqueous composition according to embodiment 1 of the present disclosure will be described.

In the present disclosure, "liquid state" means a substance that is liquid at 25 ℃ and has fluidity.

The aqueous composition of the present disclosure contains a 1 st powder, a liquid alcohol, and water. The aqueous compositions of the present disclosure are preferably liquid compositions at 25 ℃ at atmospheric pressure.

The aqueous compositions of the present disclosure are preferably non-emulsions.

[ powder 1 ]

The 1 st powder is a powder whose particle surface is hydrophobic. For example, the 1 st powder may be a powder obtained by subjecting the surface of the particles to a hydrophobization treatment. Examples of the method of the hydrophobizing treatment include coating particles with at least 1 selected from the group consisting of higher fatty acids, metal soaps, organosilicon compounds, surfactants, and dextrin fatty acid esters. If the particles of the 1 st powder are hydrophobic, the surface may not be subjected to the hydrophobizing treatment.

The 1 st powder has a non-spherical shape. For example, the 1 st powder may be at least 1 kind selected from a plate-like powder and a bulk powder (agglomerated powder). The plate-like powder is a powder in which 1-order particles have a plate shape. The bulk powder is a powder containing 2 particles having an indefinite shape formed by aggregation of 1 particle. In the bulk powder, the particle surface of the 1 st order particles is preferably hydrophobic.

The 1 st powder preferably has an average aspect ratio of, for example, 1.5 or more, preferably 3 or more, and more preferably 5 or more. The 1 st powder may have an average aspect ratio of 7 or more, 10 or more, 20 or more. If the average aspect ratio is less than 3, adhesion to the application target (for example, skin) is impaired during application, and uneven application occurs. The average aspect ratio of the 1 st powder may be, for example, 200 or less, 170 or less, 150 or less, 120 or less, or 100 or less. In particular, the plate-like powder may have an average aspect ratio of 20 or more.

In the case of applying the aqueous composition of the present disclosure as a skin external agent, as the 1 st powder, there may be mentioned, for example, mica (including synthetic phlogopite), sericite (including calcined sericite), talc, and the like, the surface of which is coated with at least one selected from distearyl dimethyl ammonium chloride, magnesium stearate, triethoxysilylethyl polydimethylsiloxane, amino-terminated polydimethylsiloxane, hydrogenated polydimethylsiloxane, and zinc decyltrisiloxane carboxylate.

The aspect ratio can be calculated by, for example, taking out arbitrary 100 particles by observation with a microscope, measuring the length in the longitudinal direction (in the plane direction) of each particle and the length in the width direction (in the thickness direction) of the particle, and dividing the length in the longitudinal direction by the length in the width direction (=length in the longitudinal direction/length in the width direction). The length in the longitudinal direction is selected to be the longest length. The average aspect ratio may be an average of aspect ratios of any 100 particles.

The 1 st powder may be, for example, selected from talc, kaolin, sericite (sericite), muscovite, phlogopite, synthetic mica, synthetic fluorophlogopite iron, red mica, biotite, calcined talc, calcined sericite, calcined muscovite, calcined phlogopite, vermiculite, magnesium carbonate, calcium carbonate, aluminum silicate, barium silicate, calcium silicate, magnesium silicate, strontium silicate, metal tungstate, magnesium, silica, zeolite, barium sulfate, calcined calcium sulfate (calcined gypsum), calcium phosphate, fluorapatite, hydroxyapatite, ceramic powder, metal soaps (for example, zinc myristate, calcium palmitate, aluminum stearate, etc.), boron nitride, photochromic titanium oxide (titanium dioxide sintered with iron oxide), reduced zinc oxide; inorganic white pigments (e.g., titanium dioxide, zinc oxide, etc.); inorganic red pigments (for example, iron oxide (red iron oxide), iron titanate, etc.); inorganic brown pigments (e.g., gamma-iron oxide); inorganic yellow pigments (e.g., iron oxide yellow, loess, etc.); inorganic black pigments (for example, iron oxide black, titanium suboxide, etc.); inorganic violet pigments (e.g., manganese violet, cobalt violet, etc.); inorganic green pigments (for example, chromium oxide, chromium hydroxide, cobalt titanate, etc.); inorganic blue pigments (e.g., ultramarine blue, dark blue, etc.); pearlescent pigments (for example, bismuth oxychloride, fish scale foil, titanium mica, iron oxide-coated titanium mica, titanium suboxide-coated titanium mica, titanium mica having photochromism, use of talc, glass, synthetic fluorophlogopite, silica, bismuth oxychloride and the like as a substrate instead of mica, coating of titanium suboxide, coloring titanium oxide, iron oxide, aluminum oxide, silica, zirconium oxide, zinc oxide, cobalt oxide, aluminum and the like as a coating substance, coating of resin particles on the surface of a pearlescent pigment as a functional pearlescent pigment (Japanese patent application laid-open No. 11-92688), coating of aluminum hydroxide particles on the surface of a pearlescent pigment (Japanese patent application laid-open No. 2002-146238), coating of zinc oxide particles on the surface of a pearlescent pigment (Japanese patent application laid-open No. 2003-261421), coating of barium sulfate particles on the surface of a pearlescent pigment (Japanese patent application laid-open No. 2003-61229) and the like); at least 1 of metal powder pigments (e.g., aluminum powder, copper powder, etc.).

The average particle diameter of the 1 st powder is preferably 0.01 μm or more, more preferably 0.1 μm or more, and still more preferably 1 μm or more. The average particle diameter of the 1 st powder is preferably 200 μm or less, more preferably 100 μm or less, and still more preferably 70 μm or less.

The average particle size of the 1 st powder can be measured by a dynamic light scattering method.

The 1 st powder preferably suppresses aggregation even when the aqueous composition is left to stand, and is dispersed in the aqueous composition.

The 1 st powder is preferably 0.5 mass% or more, more preferably 1 mass% or more, still more preferably 2 mass% or more, and still more preferably 3 mass% or more, based on the mass of the aqueous composition. The 1 st powder may be 4 mass% or more, 5 mass% or more, 6 mass% or more, or 7 mass% or more based on the mass of the aqueous composition. If the 1 st powder is less than 0.5 mass%, uniform gloss cannot be produced in the application area. The 1 st powder is preferably 22 mass% or less, more preferably 20 mass% or less, still more preferably 18 mass% or less, and still more preferably 16 mass% or less, based on the mass of the aqueous composition. The 1 st powder may be 14 mass% or less, 12 mass% or less, 10 mass% or less, 8 mass% or less, 6 mass% or less, or 4 mass% or less relative to the mass of the aqueous composition. If the 1 st powder exceeds 22 mass%, the dispersibility of the powder is lowered. In addition, a rough feel is liable to occur at the time of application. Further, uniformity of the coating film of the powder is lowered.

[ liquid alcohol ]

The liquid alcohol comprises a lower monohydric alcohol and/or a liquid polyol. In the case where the effect of improving the dispersibility of the powder and the effect of 2 times less adhesion is intended, the liquid alcohol preferably contains a lower monohydric alcohol. More preferably, the liquid alcohol comprises a lower monohydric alcohol and a liquid polyol.

If the powder-containing composition of the present disclosure further contains a liquid polyol, the dispersibility of the powder, the uniformity of the film, the brightness, and the feel of use can be further improved.

The opportunity to wear a mask for preventing infection increases. Therefore, when the powder-containing composition is applied as a skin external preparation such as a cosmetic, the powder-containing composition is required to have a high effect of reducing 2 times of adhesion to the mask in order to suppress makeup removal and coloring.

If the powder-containing composition of the present disclosure contains a lower monohydric alcohol, the adhesion of the powder to the application object (e.g., skin) can be improved in the case of application to the application object. This can prevent the powder applied to the application object from secondarily adhering to the contact object such as the mask or the clothing.

If the powder-containing composition of the present disclosure contains a lower monohydric alcohol, the dispersibility of the powder may be further improved.

Examples of the lower monohydric alcohol include ethanol, 1-propanol, 2-propanol (isopropanol), 1-butanol (n-butanol), 2-methyl-1-propanol (isobutanol), 2-butanol (sec-butanol), and 2-methyl-2-propanol (tert-butanol).

Examples of the liquid polyol include glycerin, 1, 3-butanediol, polyethylene glycol, diglycerin, dipropylene glycol, and the like.

The lower monohydric alcohol is preferably 1% by mass or more relative to the mass of the aqueous composition. The lower monohydric alcohol may be 2% by mass or more, 3% by mass or more, 4% by mass or more, 5% by mass or more, 7% by mass or more, or 10% by mass or more relative to the mass of the aqueous composition. If the lower monohydric alcohol is less than 1 mass%, the effect of 2 times less adhesion becomes low. The lower monohydric alcohol may be 25 mass% or less, 20 mass% or less, 15 mass% or less, 10 mass% or less, 8 mass% or less, 6 mass% or less, or 5 mass% or less, based on the mass of the aqueous composition.

The mass of the liquid polyol relative to the mass of the aqueous composition is preferably 6% by mass or more, more preferably 7% by mass or more, and still more preferably 8% by mass or more. The mass of the liquid polyol relative to the mass of the aqueous composition may be 10 mass% or more, 12 mass% or more, or 15 mass% or more. If the liquid polyol is less than 6 mass%, it is difficult to disperse the 1 st powder in the composition. In addition, a rough feel is generated at the time of application of the aqueous composition. Further, the gloss of the area to which the aqueous composition is applied becomes weak. The mass of the liquid polyol relative to the mass of the aqueous composition is preferably 25% by mass or less, more preferably 22% by mass or less, still more preferably 20% by mass or less, and still more preferably 16% by mass or less. The liquid polyol may be 14 mass% or less, 12 mass% or less, 10 mass% or less, 8 mass% or less, 6 mass% or less, or 5 mass% or less relative to the mass of the aqueous composition. If the liquid polyol exceeds 25 mass%, tackiness becomes strong, and it is difficult to uniformly apply the 1 st powder.

The liquid polyol may be 0.2 parts by mass or more, 0.5 parts by mass or more, 1 part by mass or more, 1.5 parts by mass or more, 2 parts by mass or more, 3 parts by mass or more, 4 parts by mass or more, or 6 parts by mass or more, based on 1 part by mass of the lower monohydric alcohol. The liquid polyol may be, for example, 10 parts by mass or less, 8 parts by mass or less, 6 parts by mass or less, 5 parts by mass or less, 4 parts by mass or less, 3 parts by mass or less, 2.5 parts by mass or less, 2 parts by mass or less, 1.5 parts by mass or less, or 1 part by mass or less, based on 1 part by mass of the lower monohydric alcohol.

The liquid alcohol (total amount of the lower monohydric alcohol and the liquid polyol) may be 6 mass% or more, 7 mass% or more, 8 mass% or more, 10 mass% or more, 12 mass% or more, 15 mass% or more, 18 mass% or more, or 20 mass% or more, based on the mass of the aqueous composition. The mass of the liquid alcohol relative to the mass of the aqueous composition may be 30 mass% or less, 26 mass% or less, 22 mass% or less, 18 mass% or less, 14 mass% or less, or 10 mass% or less.

The term "rough feel" as used herein refers to the feel of the composition when applied to the skin, which is lacking in smooth feel. The powdery roughness refers to a roughness caused by powder.

[ Water ]

As the water, water used for cosmetics, quasi drugs, and the like can be used, and for example, purified water, ion-exchanged water, tap water, and the like can be used.

The water content is preferably 50% by mass or more, more preferably 55% by mass or more, still more preferably 60% by mass or more, and still more preferably 65% by mass or more, based on the mass of the aqueous composition. The mass of water relative to the aqueous composition may be 70 mass% or more, or 75 mass% or more. If the water content is less than 50% by mass, a good feeling of use cannot be obtained. The water content is preferably 95% by mass or less, more preferably 90% by mass or less, and even more preferably 85% by mass or less, based on the mass of the aqueous composition. The water may be 80 mass% or less, 75 mass% or less, or 70 mass% or less based on the mass of the aqueous composition.

[ thickening agent ]

The aqueous compositions of the present disclosure may further comprise a thickener. The kind of the thickener is not particularly limited. The thickener may be added so as to have a desired viscosity corresponding to the purpose.

Examples of the thickener include hydrophobic polymers. Examples of the hydrophobic polymer include hydrophobically modified polyether urethanes. As the hydrophobically modified polyether urethane, for example, at least 1 selected from the group consisting of (PEG-240/decyl tetradecyl polyether-20/HDI) copolymer and polyurethane-59 may be selected. Of these, a (PEG-240/decyl tetradecyl polyether-20/HDI) copolymer is more preferable. The (PEG-240/decyl tetradecyl polyether-20/HDI) copolymer is a hydrophobically modified polyether urethane composed of a copolymer of PEG-240, decyl tetradecyl polyether-20 and 1, 6-Hexamethylene Diisocyanate (HDI). As a commercial product of the (PEG-240/decyl tetradecyl polyether-20/HDI) copolymer, for example, a Podopara (registered trademark) GT-700 (manufactured by ADEKA, co., ltd.) may be mentioned. Polyurethane-59 is a hydrophobically modified polyether urethane composed of a copolymer of ethylhexyl glycerol, PEG-240, tetradecyl stearyl polyether-100 and 1, 6-Hexamethylene Diisocyanate (HDI). Examples of the commercial product of polyurethane-59 include ideas (registered trademark) GT-930 (manufactured by ADEKA corporation).

As the other thickener, an acrylamide-based thickener such as (dimethylacrylamide/sodium acryloyldimethyl taurate) cross-linked polymer can be used.

Examples of the thickener other than the above include acacia, carrageenan, karaya, tragacanth, carob, quince seed (quince), casein, dextrin, gelatin, sodium pectate, sodium alginate, methylcellulose, ethylcellulose, carboxymethyl cellulose (CMC), hydroxyethyl cellulose, hydroxypropyl cellulose, polyvinyl alcohol (PVA), polyvinyl methyl ether (PVM), PVP (polyvinylpyrrolidone), sodium polyacrylate, carboxyvinyl polymer, locust bean gum, guar gum, tamarind gum, cellulose dialkyl dimethyl ammonium sulfate, xanthan gum, aluminum magnesium silicate, bentonite, hectorite, aluminum magnesium silicate (peril), polyethylene sulfonate, and an acrylic ester synthetic polymer.

The thickener may be 0.2 mass% or more, or 0.5 mass% or more, based on the mass of the powder-containing composition. The thickener may be 2 mass% or less, or 1.5 mass% or less, based on the mass of the powder-containing composition.

[ powder 2 ]

In the aqueous composition of the present disclosure, the 2 nd powder, which is a spherical powder, is preferably 1.5 parts by mass or less, more preferably 1 part by mass or less, still more preferably 0.5 parts by mass or less, and still more preferably 0.1 parts by mass or less, relative to 1 st powder by mass of 1 st powder. The 2 nd powder is further preferably not contained in the aqueous composition (i.e., 0 mass%). If the amount of the 2 nd powder exceeds 1.5 parts by mass, the adhesion of the 1 st powder to the application object (for example, skin) is impaired, uneven application occurs, and a uniform gloss is impaired.

In the present disclosure, spherical powder refers to a powder composed mainly of spherical particles. Spherical powders may be referred to as powders having an average aspect ratio of less than 1.2. The spherical powder can be confirmed by microscopic observation, for example.

Examples of the 2 nd powder include inorganic spherical powder (silica, alumina, titania, and calcium carbonate), organic spherical powder (for example, polyamide resin powder (nylon powder), polyethylene powder, polymethyl methacrylate powder, polystyrene powder, copolymer resin powder of styrene and acrylic acid, benzoguanamine resin powder, polytetrafluoroethylene powder, cellulose powder, silicone resin powder, silk powder, wool powder, and urethane powder).

The average particle diameter of the 2 nd powder is preferably 0.1 μm or more, more preferably 1 μm or more, and still more preferably 5 μm or more. The average particle diameter of the 2 nd powder is preferably 50 μm or less, more preferably 20 μm or less, and still more preferably 15 μm or less.

The average particle size of the 2 nd powder can be measured by a dynamic light scattering method.

[ oily component ]

In the aqueous composition of the present disclosure, the oil component is preferably 5 mass% or less, preferably 3 mass% or less, more preferably 1 mass% or less, and even more preferably does not contain an effective mass (even more preferably 0 mass%) relative to the mass of the aqueous composition. By setting the oil content to 5 mass% or less, stickiness at the time of application to the skin can be suppressed.

Examples of the oily component include waxes, liquid fats and oils, solid fats and oils, waxes, hydrocarbons, higher fatty acids, higher alcohols, synthetic ester oils, and silicone oils.

Examples of waxes include beeswax, candelilla wax, cotton wax, carnauba wax, bay wax, worm wax, spermaceti wax, montan wax, rice bran wax, lanolin, kapok wax, acetylated lanolin, liquid lanolin, sugarcane wax, lanolin fatty acid isopropyl ester, 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 ester, POE hydrogenated lanolin alcohol ether, for example, liquid paraffin, ceresin, squalane, pristane, paraffin, ceresin, squalene, petrolatum, microcrystalline wax, and fischer wax.

Examples of the liquid oils include avocado oil, camellia oil, turtle oil, macadamia nut oil, corn bran oil, mink oil, olive oil, rapeseed oil, egg oil, sesame oil, peach seed oil, wheat germ oil, camellia oil, castor oil, linseed oil, safflower oil, cotton seed oil, perilla oil, soybean oil, peanut oil, tea seed oil, torreya oil, rice bran oil, white tung oil, japan tung oil, jojoba oil, germ oil, triglycine and the like.

Examples of the solid fat include cocoa butter, coconut oil, horse fat, hydrogenated coconut oil, palm oil, tallow, mutton fat, hydrogenated tallow, palm kernel oil, lard, beef tallow, wood kernel oil, hydrogenated oil, beef foot fat, wood wax, hydrogenated castor oil, and the like.

Examples of waxes include beeswax, candelilla wax, cotton wax, carnauba wax, bay wax, insect white wax, spermaceti wax, montan wax, rice bran wax, lanolin, kapok wax, acetylated lanolin, liquid lanolin, sugarcane wax, lanolin fatty acid isopropyl ester, 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 ester, POE hydrogenated lanolin alcohol ether, and the like.

Examples of the hydrocarbon oil include liquid paraffin, ceresin, squalane, pristane, paraffin, ceresin, squalene, petrolatum, and microcrystalline wax.

Examples of the higher fatty acid include lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, undecylenic acid, tall oil acid, isostearic acid, linoleic acid, linolenic acid, eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA).

As the higher alcohol, for example, a linear alcohol (for example, lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, cetostearyl alcohol, etc.) can be used; branched alcohols (for example, monostearyl glycerol ether (shark liver alcohol), 2-decyl tetradecyl alkynol (2-d) and the like), lanolin alcohol, cholesterol, phytosterol, hexyl dodecanol, isostearyl alcohol, octyl dodecanol and the like).

As an oil of the synthetic ester, examples thereof include isopropyl myristate, cetyl caprylate, octyl dodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyl decyl dimethylcaprylate, cetyl lactate, myristyl lactate, acetylated lanolin, isocetyl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearate, ethylene glycol di-2-ethylhexanoate, dipentaerythritol fatty acid ester, N-alkyl glycol monoisostearate, neopentyl glycol dicaprate, diisostearyl malate, glycerol di-2-heptylundecanoate, trimethylolpropane tri-2-ethylhexanoate, trimethylolpropane tri-isostearate pentaerythritol tetra-2-ethylhexanoate, glycerol tri-2-ethylhexanoate, glycerol trioctanoate, glycerol triisopalmitate, trimethylolpropane triisostearate, cetyl 2-ethylhexanoate, 2-ethylhexyl palmitate, glycerol trimyristate, glycerol tri-2-heptylundecanoate, methyl castor oil fatty acid, oleyl oleate, acetylglyceride, 2-heptylundecyl palmitate, diisobutyl adipate, N-lauroyl-L-glutamic acid-2-octyldodecyl, di-2-heptylundecyl adipate, ethyl laurate, di-2-ethylhexyl sebacate, 2-hexyldecyl myristate, 2-hexyldecyl palmitate, 2-hexyldecyl adipate, diisopropyl sebacate, 2-ethylhexyl succinate, triethyl citrate, and the like.

Examples of the silicone oil include silicone compounds such as dimethylpolysiloxane, methyl hydrogen-containing polysiloxane, methylphenyl polysiloxane, stearoxymethyl polysiloxane, polyether-modified organopolysiloxane, fluoroalkyl/polyoxyalkylene co-modified organopolysiloxane, alkyl-modified organopolysiloxane, terminal-modified organopolysiloxane, fluorine-modified organopolysiloxane, amino-modified organopolysiloxane, silicone gel, acrylic silicone, trimethylsiloxysilicate, silicone RTV rubber, and cyclopenta-dimethicone.

[ surfactant ]

In the aqueous composition of the present disclosure, the surfactant is preferably 0.5 mass% or less, preferably 0.3 mass% or less, more preferably 0.1 mass% or less, and even more preferably does not contain an effective mass (0 mass%) relative to the mass of the aqueous composition. By setting the surfactant to 0.5 mass% or less, stickiness at the time of application to the skin can be suppressed and irritation to the skin can be reduced.

As the anionic surfactant, for example, fatty acid soaps (e.g., sodium laurate, sodium palmitate, etc.) can be used; higher alkyl sulfate salts (e.g., sodium lauryl sulfate, potassium lauryl sulfate, etc.); alkyl ether sulfate salts (e.g., POE-triethanolamine lauryl sulfate, POE-sodium lauryl sulfate, etc.); n-acyl sarcosines (e.g., sodium lauroyl sarcosinate, etc.); higher fatty acid amide sulfonates (e.g., sodium N-stearoyl-N-methyltaurine, sodium N-myristoyl-N-methyltaurine, sodium cocoyl fatty acid methyltaurine, sodium lauryl methyltaurine, etc.); phosphate esters (sodium POE-oleyl ether phosphate, POE-stearyl ether phosphate, etc.); sulfosuccinates (e.g., sodium di-2-ethylhexyl sulfosuccinate, sodium monolauryl monoethanolamide polyoxyethylene sulfosuccinate, sodium lauryl polypropylene glycol sulfosuccinate, etc.); alkylbenzene sulfonates (e.g., sodium linear dodecylbenzene sulfonate, triethanolamine linear dodecylbenzene sulfonate, linear dodecylbenzene sulfonic acid, etc.); higher fatty acid ester sulfate (e.g., sodium hydrogenated coconut oil fatty acid glycerol 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., turkish red oil, etc.); POE-alkyl ether carboxylic acid; POE-alkyl allyl ether carboxylate; alpha-olefin sulfonates; higher fatty acid ester sulfonates; a secondary alcohol sulfate salt; higher fatty acid alkanolamide sulfate salts; sodium lauroyl monoethanolamide succinate; n-palmitoyl aspartic acid bis (triethanolamine); sodium caseinate, and the like.

Examples of the cationic surfactant include alkyl trimethylammonium salts (e.g., stearyl trimethylammonium chloride, lauryl trimethylammonium chloride, etc.); alkyl pyridinesSalts (e.g., cetylpyridinium chloride +)>Etc.); dialkyl dimethyl ammonium salts (e.g., distearyl dimethyl ammonium chloride); chlorinated poly (N, N' -dimethyl-3, 5-methylenepiperidine +.>) The method comprises the steps of carrying out a first treatment on the surface of the Alkyl quaternary ammonium salts; alkyl dimethylbenzyl ammonium salts; alkylisoquinoline->A salt; dialkyl morpholines->A salt; POE-alkylamine; an alkylamine salt; polyamine fatty acid derivatives; amyl alcohol fatty acid derivatives; benzalkonium chloride; benzethonium chloride, and the like.

Examples of the amphoteric surfactant include imidazoline-based amphoteric surfactants (e.g., sodium 2-undecyl-N, N, N- (hydroxyethylcarboxymethyl) -2-imidazoline, sodium 2-cocoyl-2-imidazoline)Hydroxide-1-carboxyethoxy 2 sodium salt, etc.); betaine-based surfactants (e.g., 2-heptadecyl-N-carboxymethyl-N-hydroxyethyl imidazoline->Betaine, lauryl dimethyl amino acetic acid betaine, alkyl betaine, amide betaine, sulfobetaine, etc.), and the like.

Examples of the hydrophilic nonionic surfactant include POE-sorbitan fatty acid esters (for example, 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-glycerol fatty acid esters (e.g., POE-glycerol monostearate, POE-glycerol monoisostearate, POE-glycerol triisostearate, etc.), POE-monooleate, etc.; POE-fatty acid esters (e.g., POE-distearate, POE-monooleate, ethylene 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.); poloxamer-type (e.g., poloxamer, etc.); POE/POP-alkyl ethers (e.g., POE/POP-cetyl ether, POE/POP-2-decyl tetradecyl ether, POE/POP-monobutyl ether, POE/POP-hydrogenated lanolin, POE/POP-glycerol ether, etc.); four POE/four POP-ethylenediamine condensate (e.g., toque, etc.); POE-castor oil hydrogenated castor oil derivatives (e.g., POE-castor oil, POE-hydrogenated castor oil monoisostearate, POE-hydrogenated castor oil triisostearate, POE-hydrogenated castor oil monopyroglutamic acid monoisostearate diester, POE-hydrogenated castor oil maleic acid, etc.); POE-beeswax/lanolin derivatives (e.g., POE-sorbitol beeswax, etc.); alkanolamides (e.g., coconut fatty acid diethanolamide, lauric acid monoethanolamide, fatty acid isopropanolamide, etc.); POE-propylene glycol fatty acid ester; POE-alkylamine; POE-fatty acid amides; sucrose fatty acid ester; alkyl ethoxy dimethyl amine oxide; tri-oil based phosphoric acid, and the like.

Examples of the lipophilic nonionic surfactant include sorbitan fatty acid esters (for example, sorbitan monooleate, sorbitan monoisostearate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan sesquioleate, sorbitan trioleate, penta-2-ethylhexyl diglycerol sorbitan, tetra-2-ethylhexyl diglycerol sorbitan, and the like); polyglycerol fatty acids (e.g., glycerol monocottonseed oil fatty acid, glycerol monoerucic acid, glycerol sesquioleate, glycerol monostearate, glycerol α, α' -oleic pyroglutamate, glycerol monostearate, etc.); propylene glycol fatty acid esters (e.g., propylene glycol monostearate, etc.); hydrogenated castor oil derivatives; glycerol alkyl ethers, and the like.

[ viscosity ]

The aqueous composition of the present disclosure preferably has a viscosity of 1,000 mPa-s or more, preferably 5,000 mPa-s or more, more preferably 10,000 mPa-s or more. If the viscosity is less than 1,000 mPas, the dispersibility of the powder with time cannot be maintained. The viscosity of the aqueous composition of the present disclosure is preferably 150,000mpa·s or less, more preferably 100,000mpa·s or less. If the viscosity exceeds 150,000 mPa.s, the ease of application to the skin is lowered. The viscosity can be measured by a Brookfield viscometer (rotor number 1, rotation speed 60 rpm) at 30 ℃.

[ others ]

The aqueous composition of the present disclosure may contain other components as needed, for example, water-soluble alcohol, moisturizer, coating agent, oil-soluble ultraviolet absorbent, water-soluble ultraviolet absorbent, metal ion blocking agent, amino acid, organic amine, polymer emulsion, pH adjustor, skin nutritional agent, vitamin, antioxidant auxiliary, perfume, and the like, as appropriate within a range not impairing the effects of the present disclosure.

Examples of the water-soluble alcohol include at least 1 selected from the group consisting of lower alcohols, polyols, polyol polymers, 2-membered alcohol alkyl ethers, 2-membered alcohol ether esters, glycerol monoalkyl ethers, sugar alcohols, monosaccharides, oligosaccharides, polysaccharides, and derivatives thereof.

Examples of the lower alcohol include ethanol, propanol, isopropanol, isobutanol, and tert-butanol.

Examples of the polyhydric alcohol include 2-membered alcohols (e.g., ethylene glycol, propylene glycol, 1, 3-propylene glycol, 1, 2-butanediol, 1, 3-butanediol, 1, 4-butanediol, 2, 3-butanediol, 1, 5-pentanediol, 2-butene-1, 4-diol, hexanediol, octanediol, etc.); 3-membered alcohols (e.g., glycerol, trimethylolpropane, etc.); 4-polyol (e.g., pentaerythritol such as 1,2, 6-hexanetriol, etc.); 5-membered alcohol (e.g., xylitol, etc.); 6-membered alcohols (e.g., sorbitol, mannitol, etc.); polyhydric alcohol polymers (e.g., diethylene glycol, dipropylene glycol, triethylene glycol, polypropylene glycol, tetraethylene glycol, diglycerol, polyethylene glycol, triglycerol, tetraglycerol, polyglycerin, and the like); alcohol alkyl ethers of 2-membered alcohol (e.g., 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 ether, ethylene glycol dimethyl ether, ethylene glycol diethyl ether, ethylene glycol dibutyl ether, etc.); 2-membered alcohol alkyl ethers (e.g., diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol butyl ether, diethylene glycol methyl ethyl 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 methyl ether, dipropylene glycol ethyl ether, dipropylene glycol butyl ether, etc.); 2-alcohol ether esters (e.g., ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether acetate, ethylene glycol monophenyl ether acetate, ethylene glycol di-adipate, 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.); glycerol monoalkyl ethers (e.g., squalol, etc.); sugar alcohols (e.g., sorbitol, maltitol, maltotriose, mannitol, sucrose, erythritol, glucose, fructose, amylolytic sugars, maltose, xylitol, amylolytic sugar reducing alcohols, etc.); glycolide; tetrahydrofurfuryl alcohol; POE-tetrahydrofurfuryl alcohol; POP-butyl ether; POP/POE-butyl ether; a glyceryl trimer ether; POP-glycerol ether; POP-glycerol ether phosphoric acid; POP/POE-pentaerythritol ether, polyglycerin, and the like.

Examples of monosaccharides include, for example, those selected from the group consisting of tricarbones (e.g., D-glyceraldehyde, dihydroxyacetone, etc.), tetracarbones (e.g., D-erythrose, D-erythrulose, D-threose, erythritol, etc.), pentacarboses (e.g., L-arabinose, D-xylose, L-lyxose, D-arabinose, D-ribose, D-ribulose, D-xylulose, L-xylulose, etc.), hexacarboses (e.g., D-glucose, D-talose, D-psicose, D-galactose, D-fructose, L-galactose, L-mannose, D-tagatose, etc.), heptacarboses (e.g., heptanal, heptanone, etc.), octacarboses (e.g., octone, etc.), deoxysaccharides (e.g., 2-deoxy-D-ribose, 6-deoxy-L-galactose, 6-deoxy-L-mannuronate, etc.), aminosugars (e.g., D-glucosamine, D-sialyl, D-galacturonic acid, glucuronic acid, D-guluronic acid, L-guluronic acid, etc.), and the like.

Examples of the oligosaccharides include at least 1 selected from sucrose, gentitriose, umbrella-shaped sugar, lactose, plantain sugar (plantateose), isostearyl sugar, α -trehalose, raffinose, sheared okurose, auriculate, stachyose, and calycosin.

Examples of the polysaccharide include at least 1 selected from cellulose, quince seed, chondroitin sulfate, starch, galactan, dermatan sulfate, glycogen, acacia, heparan sulfate, hyaluronic acid, tragacanth, keratan sulfate, chondroitin, xanthan gum, mucopolysaccharide sulfate, guar gum, dextran, horny sulfate, locust bean gum, succinoglycan, carane acid, and the like.

Examples of the other polyols include at least 1 selected from polyoxyethylene methyl glucoside (E-10), polyoxypropylene methyl glucoside (P-10), and the like.

Examples of the natural water-soluble polymer include plant polymers (for example, acacia, tragacanth, galactan, guar gum, carob bean gum, karaya gum, carrageenan, pectin, agar, quince seed (quince), seaweed gum (brown seaweed extract), starch (rice, corn, potato, wheat), and glycyrrhizic acid); microorganism-based polymers (e.g., xanthan gum, dextran, succinoglycan, pullulan, etc.); animal-based polymers (e.g., collagen, casein, albumin, gelatin, etc.), and the like.

Examples of the semisynthetic water-soluble polymer include starch polymers (e.g., carboxymethyl starch, methyl hydroxypropyl starch, etc.); cellulose polymers (methylcellulose, ethylcellulose, methylhydroxypropyl cellulose, hydroxyethyl cellulose, sodium cellulose sulfate, hydroxypropyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, crystalline cellulose, cellulose powder, etc.); alginic acid polymers (e.g., sodium alginate, propylene glycol alginate, etc.), and the like.

Examples of the humectant include polyethylene glycol, propylene glycol, glycerin, 1, 3-butanediol, xylitol, sorbitol, maltitol, chondroitin sulfate, hyaluronic acid, glycosaminoglycan sulfate, carenic acid, short-chain collagen, cholesteryl-12-hydroxystearate, sodium lactate, bile acid salt, dl-pyrrolidone carboxylate, alkylene oxide derivative, short-chain soluble collagen, diglycerol (EO) PO adduct, bis-tattoo extract, yarrow extract, sweet clover extract, and the like.

Examples of the coating agent include anionic coating agents (for example, (meth) acrylic acid/(meth) acrylate copolymers, methyl vinyl ether/maleic anhydride polymers, and the like), cationic coating agents (for example, cationized cellulose, dimethyldiallylammonium chloride polymers, dimethyldiallylammonium chloride/acrylamide copolymers, and the like), and nonionic coating agents (for example, polyvinyl alcohol, polyvinylpyrrolidone, polyvinyl acetate, polyacrylate copolymers, (meth) acrylamides, high molecular silicones, silicone resins, trimethylsiloxysilicates, and the like). The coating agent is particularly preferably polyvinyl acetate.

Examples of the oil-soluble ultraviolet absorber include benzoic acid ultraviolet absorbers (for example, p-aminobenzoic acid (hereinafter abbreviated as PABA), PABA monoglyceride, N-dipropoxy ethyl PABA, N-diethoxy ethyl PABA, N-dimethyl butyl PABA, N-dimethyl ethyl PABA, and diethyl amino benzoyl hexyl benzoate); anthranilic acid-based ultraviolet absorbers (e.g., highbase-N-acetylanthranilate, etc.); salicylic acid ultraviolet absorber (e.g., ethylhexyl salicylate, amyl salicylate, menthyl salicylate, homosalicylic acid +.>Esters, octyl salicylate, phenyl salicylate, benzyl salicylate, p-isopropyl phenyl salicylate, homosalate, and the like); cinnamic acid-based ultraviolet absorbers (for example, octyl methoxycinnamate, ethyl 4-isopropyl cinnamate, methyl 2, 5-diisopropyl cinnamate, ethyl 2, 4-diisopropyl cinnamate, methyl 2, 4-diisopropyl cinnamate, propyl p-methoxycinnamate, isopropyl p-methoxycinnamate, isopentyl p-methoxycinnamate, octyl p-methoxycinnamate (2-ethylhexyl p-methoxycinnamate, ethylhexyl methoxycinnamate), 2-ethoxyethyl p-methoxycinnamate, cyclohexyl p-methoxycinnamate, ethyl α -cyano- β -phenyl cinnamate, 2-ethylhexyl α -cyano- β -phenyl cinnamate, glyceryl mono-2-ethylhexanoyl-di-p-methoxycinnamate, etc.); 3- (4' -methylbenzylidene) -d, l-camphor, 3-benzylidene-d, l-camphor; 2-phenyl-5-methylbenzo- >An azole; 2,2' -hydroxy-5-methylphenyl benzotriazole; 2- (2 '-hydroxy-5' -tert-octylphenyl) benzotriazole; 2- (2 ' -hydroxy-5 ' -methylphenyl-benzotriazole, dibenzylideneazide, dianisithene, 4-methoxy-4 ' -tert-butyldibenzoylmethane, 5- (3, 3-dimethyl-2-norbornylene) -3-pentan-2-one, dimorpholinopyridazinone, 2-ethylhexyl-2-cyano-3, 3-diphenylacrylate (octorline), 2, 4-bis- { [4- (2-ethylhexyl oxy) -2-hydroxy-l]-phenyl } -6- (4-methoxyphenyl) - (1, 3, 5) -triazine, benzophenone-based ultraviolet light absorbers (e.g., 2, 4-dihydroxybenzophenone, 2 '-dihydroxy-4-methoxybenzophenone, 2' -dihydroxy-4, 4 '-dimethoxybenzophenone, 2',4 '-tetrahydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxy-4' -methylbenzophenone, 2-hydroxy-4-methoxybenzophenone)-methoxybenzophenone-5-sulfonate, 4-phenylbenzophenone, 2-ethylhexyl-4' -phenyl-benzophenone-2-carboxylate, 2-hydroxy-4-n-octoxybenzophenone, 4-hydroxy-3-carboxybenzophenone, etc.), and the like.

Examples of the water-soluble ultraviolet absorber include benzophenone-based ultraviolet absorbers (for example, 2-hydroxy-4-methoxybenzophenone-5-sulfonate), benzylidene camphor-based ultraviolet absorbers (benzylidene camphor sulfonic acid, terephthalidene dicyano camphor sulfonic acid, and the like), phenylbenzimidazole-based ultraviolet absorbers (phenylbenzimidazole sulfonic acid, and the like), and the like.

Examples of the metal ion blocking agent include 1-hydroxyethane-1, 1-diphosphonic acid, 1-hydroxyethane-1, 1-diphosphonic acid tetrasodium salt, disodium ethylenediamine tetraacetate, trisodium ethylenediamine tetraacetate, tetrasodium ethylenediamine tetraacetate, sodium citrate, sodium polyphosphate, sodium metaphosphate, gluconic acid, phosphoric acid, citric acid, ascorbic acid, succinic acid, ethylenediamine tetraacetic acid, ethylenediamine hydroxyethyl triacetic acid 3 sodium, and the like.

Examples of the amino acid include neutral amino acids (e.g., threonine, cysteine, etc.); basic amino acids (e.g., hydroxylysine, etc.), and the like. Examples of the amino acid derivative include sodium acyl sarcosinate (sodium lauroyl sarcosinate), acyl glutamate, sodium acyl β -alanate, glutathione, and pyrrolidone carboxylic acid.

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.

Examples of the polymer emulsion include an acrylic resin emulsion, a polyethyl acrylate emulsion, an acrylic resin liquid, a polyalkyl acrylate emulsion, a polyvinyl acetate resin emulsion, and a natural rubber latex.

Examples of the pH adjuster include buffers such as sodium lactate, sodium citrate, and 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 the antioxidant include tocopherols, dibutylhydroxytoluene, butylhydroxyanisole, and gallates.

Examples of the antioxidant auxiliary include phosphoric acid, citric acid, ascorbic acid, maleic acid, malonic acid, succinic acid, fumaric acid, cephalin, hexametaphosphate, phytic acid, and ethylenediamine tetraacetic acid.

Examples of the other components that can be blended include preservatives (ethyl parahydroxybenzoate, butyl parahydroxybenzoate, chlorphenesin, phenoxyethanol, etc.); anti-inflammatory agents (e.g., glycyrrhizic acid derivatives, glycyrrhetinic 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, coptis chinensis, lithospermum, paeonia lactiflora, swertia japonica, birch, sage, loquat, carrot, aloe, mallow, iris, grape, coix seed, luffa, lily, crocus sativa, ligusticum wallichii, ginger, hypericum perforatum, formononeti, garlic, capsicum annuum, dried orange peel, angelica sinensis, seaweed, etc.), activators (e.g., royal jelly, biotin, cholesterol derivatives, etc.); blood circulation promoting agents (e.g., vanillylamide nonanoate, benzyl nicotinate, beta-butoxyethyl nicotinate, capsaicin, zingibrone, cantharidin, ichthyol, tannic acid, alpha-borneol, tocopheryl nicotinate, inositol hexanicotinate, cyclic mandelate, cinnarizine, tolazoline, acetylcholine, verapamil, stephanine, gamma-oryzanol, etc.); anti-seborrheic agents (e.g., sulfur, dimethylthianthrene, etc.); anti-inflammatory agents (e.g., tranexamic acid, thiotaurine, hypotaurine, etc.), and the like.

Further, the composition of the present disclosure may suitably contain various crude drug extracts such as caffeine, tannin, verapamil, tranexamic acid and derivatives thereof, licorice, papaya, pyrola japonica, and the like, agents such as tocopheryl acetate, glycyrrhetinic acid, glycyrrhizic acid and derivatives thereof or salts thereof, whitening agents such as vitamin C, magnesium ascorbyl phosphate, ascorbyl glucoside, arbutin, kojic acid and the like, amino acids such as arginine, lysine and the like, and derivatives thereof.

The aqueous composition of the present disclosure can be applied to, for example, eye shadow, foundation make-up (make-up), top-up (foundation), mascara, and the like.

[ method of production ]

A method of manufacturing the aqueous composition of the present disclosure will be described. The aqueous compositions of the present disclosure may be manufactured by well known methods. For example, the 1 st powder and the liquid alcohol are mixed in water. Where the aqueous composition comprises a thickener, it is preferred that the water is initially mixed with the thickener. In this way, the powder-containing composition of the present disclosure can be manufactured.

In the aqueous composition of the present disclosure, sometimes it is difficult to directly specify a phase structure or the like by composition, or it is not practical at all. In such cases, the aqueous composition of the present disclosure should be allowed to be specified by the manufacturing method thereof.

In the aqueous composition of the present disclosure, aggregation of the 1 st powder is inhibited, being dispersed in the composition. Thus, the user can uniformly apply the 1 st powder.

The aqueous composition of the present disclosure can uniformly apply the 1 st powder to an application object (e.g., skin). That is, according to the aqueous composition of the present disclosure, the occurrence of uneven application can be suppressed. Thereby, the appearance of the application area can be adjusted. In addition, the powder adheres uniformly to the application target (for example, skin), and thus secondary adhesion to the mask and clothing can be suppressed.

In the aqueous composition of the present disclosure, the adhesion of the 1 st powder to the application object (e.g., skin) is improved. Therefore, when the aqueous composition of the present disclosure is applied to, for example, skin, secondary adhesion to a mask or clothing is suppressed. Thus, in the case of applying the aqueous composition of the present disclosure to, for example, a face cosmetic, makeup removal can be suppressed when wearing a mask covering the mouth and nose.

According to the aqueous composition of the present disclosure, the generation of a feeling of roughness due to powder at the time of application can be suppressed. Thus, the user can obtain a comfortable feeling of application.

The aqueous composition of the present disclosure has a low content of oil and surfactant. Thus, according to the aqueous composition of the present disclosure, the occurrence of tackiness can be suppressed at the time of application. When the composition is applied to skin, irritation to skin can be reduced. In addition, when applied to the skin, the user can feel moist.

The aqueous compositions of the present disclosure may provide gloss in the applied area.

Examples

The aqueous compositions of the present disclosure are illustrated by the following examples. However, the aqueous composition of the present disclosure is not limited to the following examples. The content of each component shown in each table is in mass%.

Test examples 1 to 34

Aqueous compositions of test examples 1 to 34 shown in table 1 were prepared. The effects of dispersibility, presence or absence of a rough feeling, uniformity of a coating film, presence or absence of tackiness, brightness on skin, and less adhesion of 2 times were examined for each aqueous composition. The evaluation criteria for each test item are shown below. The compositions and evaluations of the respective aqueous compositions are shown in tables 1 to 8.

[ dispersibility ]

The aqueous compositions of the test examples were allowed to stand for 10 days, and the dispersibility of the powder was confirmed.

A: the powder was stably dispersed without agglomerating even after 10 days;

b: after 10 days, the powder slightly agglomerated;

c: after 10 days, the powder aggregated a small amount;

d: after 1 day, the powder agglutinates;

e: after standing, the powder immediately agglomerated.

[ presence or absence of coarse feeling ]

10 panelists applied the aqueous composition of each test example to their wrists and evaluated whether or not the wrists felt rough during application. Each evaluation item was evaluated by the number of evaluation persons.

A: the number of panelists who felt a rough feel when applying is 2 or less;

b: 3-4 panelists feel rough when the paint is applied;

c: 5 to 6 panelists feel rough when the paint is applied;

d: 7-8 panelists feel rough when the paint is applied;

e: the number of panelists who felt a rough feel at the time of application was 9 or more.

[ uniformity of application ]

10 panelists applied the aqueous composition of each test example to the wrist, and evaluated whether the powder was uniformly applied to the skin. Each evaluation item was evaluated by the number of evaluation persons.

A: the number of panelists who felt to be evenly smeared is 9 or more;

b: 7-8 panelists felt to be evenly smeared;

c: 5 to 6 panelists feel evenly smeared;

d: 3 to 4 panelists feel evenly smeared;

e: panelists felt to be uniformly smeared were 2 or less.

[ Presence of tackiness ]

10 panelists applied the aqueous composition of each test example to the wrist and evaluated whether or not the applied area was tacky. Each evaluation item was evaluated by the number of evaluation persons.

A: panelists who did not feel sticky were 9 or more;

b: panelists who did not feel tacky were 7 to 8;

C: panelists who did not feel sticky were 5 to 6;

d: 3 to 4 panelists who did not feel sticky;

e: panelists who did not feel tacky were 2 or less.

[ brightness of coated area ]

10 panelists applied the aqueous composition of each test example to the wrist and evaluated whether the coated area had gloss. Each evaluation item was evaluated by the number of evaluation persons.

A: panelists felt to have gloss were 9 or more;

b: panelists felt to have gloss were 7 to 8;

c: panelists felt to have gloss were 5 to 6;

d: panelists felt to have gloss were 3 to 4;

e: panelists felt to have gloss were 2 or less.

[ how much of 2 times attached ]

10 panelists applied the powder-containing composition of each test example to the wrist, allowed to dry, and then tapped the applied area 10 times with a nonwoven fabric. The degree of adhesion of the composition to the nonwoven fabric was evaluated by visual observation. Each evaluation item was evaluated by the number of evaluation persons.

A: panelists who evaluated little or no adhesion of the composition to the nonwoven fabric were 9 or more;

b: 7 to 8 panelists evaluated the composition for little adhesion to the nonwoven fabric;

C: 5 to 6 panelists evaluated the composition for little adhesion to the nonwoven fabric;

d: 3 to 4 panelists evaluated the composition for little adhesion to the nonwoven fabric;

e: the number of panelists who evaluated the adhesion of the composition to the nonwoven fabric was less than 2.

Test examples 1 to 6

The content of the liquid polyol was varied to prepare an aqueous composition. If the liquid polyol is 5 mass%, the dispersibility of the powder is lowered. Further, the number of panelists who feel a sense of roughness is increased, and the number of panelists who confirm gloss in the application area is decreased. Thus, it is considered that the liquid polyol is preferably 6% by mass or more, more preferably 8% by mass or more, and still more preferably 10% by mass or more.

The liquid polyol was well evaluated even at 25 mass%. The evaluation is further improved if the liquid polyol is 20 mass% or less, preferably 16 mass% or less.

TABLE 1

Test examples 7 to 9

The kind of the liquid polyol was changed to prepare an aqueous composition. Any liquid polyol was well evaluated. In particular, if a glycol is used, tackiness is reduced even further.

TABLE 2

Test examples 10 to 13

The content of the plate-like powder was varied to prepare an aqueous composition. In test example 13 in which the plate-like powder was 25 mass%, the dispersibility was lowered. In addition, the presence or absence of roughness and the evaluation of uniformity of the coating film are also reduced. Thus, it is considered that the plate-like powder is preferably 22 mass% or less, more preferably 18 mass% or less. The plate-like powder was well evaluated even at 1 mass%.

TABLE 3

Test examples 14 to 16

The mixing ratio of the plate-like particles (powder 1) having an aspect ratio of 40 to the spherical particles (powder 2) having an aspect ratio of 1 was varied to prepare an aqueous composition. In test example 16 in which only spherical particles were mixed and no plate-like particles were present, the number of items to be evaluated as low was increased. In test example 15 in which a large amount of spherical particles were mixed with the plate-like powder, the uniformity of the coating film and the gloss of the coated area were also evaluated to be low. Thus, it is considered that the 2 nd powder having an aspect ratio of less than 1.2 is preferably 1.5 parts by mass or less with respect to 1 st powder having an aspect ratio of 3 or more.

TABLE 4

Test examples 17 to 26

A water-based composition was prepared from a plate-like powder and a block-like powder, the hydrophobization method of which was changed. Good evaluation was obtained for any of the test examples. In particular, a higher evaluation was obtained with respect to the powder treated with magnesium stearate and distearyldimethyl ammonium chloride.

Good evaluation was also obtained in test example 26 which contained no plate-like powder but a lump-like powder.

TABLE 5

TABLE 6

Test examples 27 to 34

An aqueous composition containing a lower monohydric alcohol and a liquid polyhydric alcohol is produced. Any composition was well evaluated. In particular, a composition having dispersibility better than that of evaluation a in test examples 1 to 27 was produced. In tables 7 and 8, dispersibility was evaluated by the following evaluation criteria.

[ dispersibility ]

A: better dispersibility than the evaluation a in test examples 1 to 27 was obtained;

b: the dispersibility equivalent to that of evaluation a in test examples 1 to 27 was obtained.

If a lower monohydric alcohol is added, the dispersibility of the powder and the evaluation of the effect of 2 times less adhesion are improved. Thus, it is considered that the lower monohydric alcohol is preferably 1% by mass or more in the case where the effect of improving dispersibility and reducing 2 times of adhesion is desired.

If the proportion of the lower monohydric alcohol in the liquid alcohol is high, the presence or absence of a rough feel, uniformity of the coating film, and a reduction in gloss in the application area tend to occur. Thus, it is considered that when it is more desirable to improve these evaluations, the liquid polyol is more preferably 1 part by mass or more relative to 1 part by mass of the lower monohydric alcohol.

In test examples 31 to 34, the powder content was higher than that in test examples 27 to 30, so that the tackiness due to the polyol was reduced, and the effect of 2-time less adhesion was improved.

In the case where the aqueous composition contains a lower monohydric alcohol and a liquid polyol, it is considered that the liquid alcohol (the total amount of the lower monohydric alcohol and the liquid polyol) may be 30 mass% or less with respect to the mass of the composition.

TABLE 7

TABLE 8

/>

The aqueous composition of the present invention has been described based on the above embodiments and examples, but is not limited to the above embodiments and examples, and various modifications, alterations, and improvements may be made to each disclosed element (including the elements described in the claims, specification, and drawings) within the scope of the present invention and based on the basic technical ideas of the present invention. Further, various combinations, permutations, or selections of the disclosed elements are possible within the scope of the claims of the present invention.

Further objects, purposes and modes of the present invention (including modifications) will be apparent from the entire disclosure of the present invention including the claims.

The numerical ranges described in the present specification should be interpreted as any numerical value or range included in the range is specifically described in the present specification unless otherwise specified.

Some or all of the above embodiments may be described as follows, but are not limited to the following. The supplementary notes may also be combined with the claims recited in the claims.

[ additional note 1]

A method of using an aqueous composition using the aqueous composition of the present disclosure as a skin external agent.

[ additionally noted 2]

A method of using an aqueous composition using the aqueous composition of the present disclosure as a cosmetic.

Industrial applicability

The aqueous composition of the present disclosure can be applied to, for example, external skin preparations, cosmetics, detergents, and the like applied to the skin. For example, the aqueous compositions of the present disclosure may be applied to make-up, antiperspirant, deodorant, sunscreen, skin care, cleaning, and the like.

The aqueous composition of the present disclosure can also be applied to coating agents other than skin. For example, the aqueous composition of the present disclosure may also be applied to paints, coating agents, and the like.

Claims (11)

1. An aqueous composition comprising:

0.5 to 22 mass% of a 1 st powder, wherein the 1 st powder is a non-spherical powder having a hydrophobic particle surface;

6 to 30 mass% of a liquid alcohol; and

50% by mass or more of water,

the 2 nd powder as a spherical powder is 1.5 parts by mass or less with respect to 1 part by mass of the 1 st powder,

the oil component is 5 mass% or less relative to the mass of the aqueous composition,

the mass of the surfactant relative to the mass of the aqueous composition is 0.5% or less.

2. The aqueous composition according to claim 1, wherein the 1 st powder is at least 1 selected from the group consisting of plate-like powder and bulk powder.

3. The aqueous composition according to claim 1 or 2, wherein the average aspect ratio of the 1 st powder is 1.5 to 170.

4. The aqueous composition of any one of claims 1-3, wherein the average aspect ratio of the 2 nd powder is less than 1.2.

5. The aqueous composition according to any one of claims 1 to 4, wherein the 1 st powder is a powder coated with at least 1 selected from the group consisting of higher fatty acids, metal soaps, organosilicon compounds, surfactants, and dextrin fatty acid esters.

6. The powder-containing composition according to any one of claims 1 to 5, wherein the liquid alcohol comprises a lower monohydric alcohol, and a liquid polyol.

7. The powder-containing composition of claim 6, wherein the lower monohydric alcohol is ethanol.

8. The aqueous composition according to any one of claims 1 to 7, wherein the liquid polyol is at least 1 selected from the group consisting of glycerin, 1, 3-butanediol, polyethylene glycol, diglycerin, and dipropylene glycol.

9. The powder-containing composition according to any one of claims 1 to 8, further comprising at least 1 selected from the group consisting of (PEG-240/decyl tetradecyl polyether-20/HDI) copolymer, (dimethylacrylamide/sodium acryloyldimethyl taurate) cross-linked polymer and polyurethane-59.

10. The aqueous composition according to any one of claims 1 to 9, having a viscosity of 1,000 mpa-s to 150,000 mpa-s.

11. The aqueous composition according to any one of claims 1 to 10, which is applied to cosmetics.