Cosmetic

Abstract

To provide a novel cosmetic having reduced stickiness.SOLUTION: A cosmetic comprises coated particles (A), wherein the coated particles (A) have cellulose particles and a coating layer covering at least partially the surface of the cellulose particles, and the coating layer comprises an ester compound of a saccharide compound having two or more monosaccharide units linked and a fatty acid having 8 to 28 carbon atoms.SELECTED DRAWING: None

Description

Technical Field

[0001] The present disclosure relates to cosmetics.

Background Art

[0002] For cosmetics, various powder raw materials (synthetic resin beads derived from petroleum such as nylon and silicone, and natural-derived powder raw materials, etc.) are used to impart beauty effects, ultraviolet protection effects, and the like.

[0003] And, as a natural-derived powder raw material used for improving the usability of cosmetics, cellulose acetate particles hydrophobized by coating with a metal soap-based treatment agent have been developed (Patent Document 1). Also, cosmetic powders surface-treated with dextrin fatty acid esters are known in consideration of dispersibility in silicone oil, hydrocarbon oil, ester oil, etc. (Patent Documents 2 and 3).

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Patent Document 3

Summary of the Invention

Problems to be Solved by the Invention

[0005] Patent Document 1 discloses resin beads obtained by surface-treating core beads formed of a resin mainly composed of cellulose with a surface treatment agent, and cosmetics, skin drugs, paints, molded articles, films, coating agents, and resin compositions containing the resin beads.

[0006] Patent Document 2 discloses a cosmetic powder characterized in that the surface is coated with a dextrin fatty acid partial ester.

[0007] Patent Document 3 discloses a surface-treated powder and its use, which is an esterified product of dextrin and fatty acid, wherein the average degree of polymerization of glucose in dextrin is 3 to 150, the fatty acid contains one or more branched saturated fatty acids having 12 to 22 carbon atoms in an amount of 20 mol% to 100 mol% based on the total fatty acids, and the degree of substitution of fatty acid per glucose unit is 1.0 to 3.0, and the surface of the powder is coated with the dextrin fatty acid ester.

[0008] None of Patent Document 1, Patent Document 2, and Patent Document 3 describes the deterioration of the feeling of use due to stickiness when formulated in cosmetics.

[0009] Therefore, an object of the present disclosure is to provide a novel cosmetic with less stickiness.

Means for Solving the Problems

[0010] An example of the present disclosure is as follows: [Item 1] A cosmetic containing coated particles (A), wherein the coated particles (A) have cellulose particles and a coating layer covering at least a part of the surface of the cellulose particles, and the coating layer contains an ester compound of a sugar compound formed by bonding two or more monosaccharides and a fatty acid having 8 to 28 carbon atoms, a cosmetic. [Item 2] The cosmetic according to Item 1, wherein the cosmetic contains a liquid oil (B) having a melting point of 25°C or lower. [Item 3] The cosmetic according to Item 2, wherein the liquid oil (B) is at least one selected from the group consisting of natural animal and vegetable oils, hydrocarbon oils, ester oils, silicone oils, higher alcohols, and higher fatty acids. [Item 4] The cosmetic according to Item 2 or 3, wherein the liquid oil (B) contains an ester oil. [Item 5] The cosmetic according to any one of Items 2 to 4, wherein the amount of the liquid oil (B) is 1% or more and 90% or less in the cosmetic. [Item 6] The cosmetic according to any one of Items 1 to 5, wherein the amount of the coated particles (A) is 0.1% or more and 20% or less in the cosmetic. [Item 7] The cosmetic according to any one of Items 1 to 6, wherein the sugar compound is at least one selected from the group consisting of dextrin and inulin. [Item 8] The cosmetic according to any one of Items 1 to 7, wherein the fatty acid is a saturated fatty acid. [Item 9] The cosmetic according to any one of Items 1 to 8, wherein the degree of substitution of the ester compound is 1.5 or more. [Item 10] The cosmetic according to any one of Items 1 to 9, wherein the amount of the ester compound is 0.01% or more and 10% or less with respect to the cellulose particles. [Item 11] The cosmetic according to any one of Items 1 to 10, wherein the number average particle diameter of the cellulose particles is 1 μm or more and 10 μm or less. [Item 12] The sugar compound is at least one selected from the group consisting of dextrin and inulin, the fatty acid is a saturated fatty acid, the degree of substitution of the ester compound is 1.5 or more and 3.0 or less, the amount of the ester compound is 0.1% or more and 8% or less with respect to the cellulose particles, the amount of the coated particles (A) is 0.1% or more and 20% or less in the cosmetic, the cosmetic contains a liquid oil (B) having a melting point of 25°C or lower, the liquid oil (B) is at least one selected from the group consisting of natural animal and vegetable oils, hydrocarbon oils, ester oils, silicone oils, higher alcohols, and higher fatty acids, The cosmetic according to any one of Items 1 to 11, wherein the amount of the liquid oil (B) is 1% or more and 70% or less in the cosmetic.

Advantages of the Invention

[0011] The cosmetic of the present disclosure has less stickiness and a good feeling in use.

Modes for Carrying Out the Invention

[0012] Hereinafter, the present disclosure will be described in detail. The units shown for the contents are all % by weight unless otherwise specified.

[0013] The cosmetic in the present disclosure is a cosmetic containing coated particles (A), wherein the coated particles (A) have cellulose particles and a coating layer covering at least a part of the surface of the cellulose particles, and the coating layer contains an ester compound of a sugar compound formed by bonding two or more monosaccharides and a fatty acid having 8 to 28 carbon atoms. The cosmetic in the present disclosure has less stickiness. Further, the cosmetic of the present disclosure has less stickiness and a good feeling in use. Furthermore, the cosmetic in the present disclosure can also have a high moisturizing feeling.

[0014] <(A) Coated Particles> The cosmetic in the present disclosure has coated particles (A).

[0015] The coated particles (A) have cellulose particles and a coating layer covering at least a part of the surface of the cellulose particles, and the coating layer contains an ester compound of a sugar compound formed by bonding two or more monosaccharides and a fatty acid having 8 to 28 carbon atoms.

[0016] In the coated particles (A), that the coating layer covers at least a part of the surface of the cellulose particles means that at least a part of the coating layer composed of the ester compound is adhered to the surface of the cellulose particles. The surface coverage rate of the cellulose particles by the coating layer may be 0.1 area% or more, 1 area% or more, 5 area% or more, 10 area% or more, 25 area% or more, 50 area% or more, 75 area% or more, 80 area% or more, 90 area% or more, or 100 area%.

[0017] The number average particle diameter of the coated particles (A) may be 0.01 μm or more, 0.1 μm or more, 1 μm or more, 5 μm or more, 10 μm or more, 100 μm or more, or 1000 μm or more, preferably 0.01 μm or more, more preferably 0.1 μm or more, particularly preferably 1 μm or more. Also, it may be 1000 μm or less, 100 μm or less, 10 μm or less, 5 μm or less, 1 μm or less, 0.1 μm or less, or 0.01 μm or less, preferably 1000 μm or less, more preferably 100 μm or less, particularly preferably 10 μm or less. It is preferable that the number average particle diameter of the coated particles (A) is within the above range from the viewpoint of suitably achieving the effects of the present disclosure.

[0018] The increase rate of the number average particle diameter of the coated particles (A) with respect to the number average particle diameter of the cellulose particles as the raw material may be 0.01% or more, 0.1% or more, 1% or more, 3% or more, or 5% or more, and may also be 10% or less, 5% or less, 3% or less, 1% or less, or 0.5% or less.

[0019] As a method for measuring the number average particle diameter of the coated particles (A), after performing a sputtering treatment on the coated particles (A) if necessary, observe with a transmission electron microscope [trade name: JEM - 2100, manufactured by JEOL Ltd.] at an acceleration voltage of 80 kV and an observation magnification of 50,000 times. Randomly extract the primary particles of 100 particles in the image and measure their particle diameters (average value of the major axis and the minor axis). The number average of the 100 particles can be calculated and used as the number average particle diameter of the coated particles (A).

[0020] 〔Cellulose particles〕 The cellulose particles contained in the coated particles (A) will be described.

[0021] Examples of the cellulose particles include crystalline cellulose particles, amorphous cellulose particles, cellulose ester particles in which some or all of the hydroxyl groups of cellulose are esterified (such as cellulose acetate particles, cellulose propionate particles, cellulose butyrate particles, cellulose acetate particles, cellulose sulfate particles, nitrocellulose particles, and cellulose phosphate particles), and cellulose ether particles in which some or all of the hydroxyl groups of cellulose are etherified (such as methylcellulose particles, ethylcellulose particles, and carboxymethylcellulose particles).

[0022] The cellulose particles may be any of non-porous particles, porous particles, hollow particles, and solid particles.

[0023] There is no limitation on the shape of the cellulose particles, and spherical particles, rugby ball-shaped particles, columnar particles, plate-shaped particles, short fiber-shaped particles, and irregularly shaped particles can be used.

[0024] The number average particle diameter of the cellulose particles may be 0.01 μm or more, 0.1 μm or more, 1 μm or more, 5 μm or more, 10 μm or more, 100 μm or more, or 1000 μm or more, preferably 0.01 μm or more, more preferably 0.1 μm or more, particularly preferably 1 μm or more. Also, it may be 1000 μm or less, 100 μm or less, 10 μm or less, 5 μm or less, 1 μm or less, 0.1 μm or less, or 0.01 μm or less, preferably 1000 μm or less, more preferably 100 μm or less, particularly preferably 10 μm or less. From the viewpoint of preferably achieving the effects of the present disclosure, it is preferable that the number average particle diameter of the cellulose particles is within the above range.

[0025] As a method for measuring the number average particle diameter of cellulose particles, after performing sputtering treatment on the cellulose particles if necessary, observe them with a transmission electron microscope [trade name: JEM-2100, manufactured by JEOL Ltd.] at an acceleration voltage of 80 kV and an observation magnification of 50,000 times. Randomly extract the primary particles of 100 particles in the image and measure their particle diameters (average value of the major axis and minor axis). The number average of 100 particles can be calculated and used as the number average particle diameter of the cellulose particles.

[0026] As the cellulose particles, cellulose particles obtained from the market may be used. Examples of cellulose particles obtained from the market include CELLULOBEADS D-5 (registered trademark, cellulose particles with a number average particle diameter of 5 μm, manufactured by Daito Kasei Kogyo Co., Ltd.), CELLULOBEADS D-10 (registered trademark, cellulose particles with a number average particle diameter of 10 μm, manufactured by Daito Kasei Kogyo Co., Ltd.), CELLULOBEADS USF-X (registered trademark, cellulose particles with a number average particle diameter of 3 to 5 μm, Daito Kasei Kogyo Co., Ltd.), CELLULOBEADS D-30 (registered trademark, cellulose particles with a number average particle diameter of 30 μm, manufactured by Daito Kasei Kogyo Co., Ltd.), SILK COTTON PW (registered trademark, cellulose particles with a number average particle diameter of 8 to 10 μm, manufactured by Daito Kasei Kogyo Co., Ltd.), and SILONS 190 (registered trademark, number average particle diameter 9 μm, manufactured by ABC Nanotech), etc.

[0027] [Ester compound] The ester compound constituting the coating layer will be described.

[0028] The ester compound is an ester compound of a sugar compound formed by bonding two or more monosaccharides and a fatty acid having 8 to 28 carbon atoms.

[0029] Among the monosaccharides forming the sugar compound, preferred monosaccharides include glucose, fructose, and galactose, etc.

[0030] Examples of sugar compounds include disaccharides, trisaccharides, tetrasaccharides, and polysaccharides composed of the above-mentioned monosaccharides. Examples of disaccharides include sucrose, maltose, lactose, cellobiose, trehalose, and lactulose. Examples of trisaccharides include nigerotriose, maltotriose, melezitose, maltotriulose, raffinose, and kestose. Examples of tetrasaccharides include nistose, nigerotetraose, and stachyose. Examples of polysaccharides include dextrin, α-cyclodextrin, β-cyclodextrin, γ-cyclodextrin, inulin, starch, cellulose, chitin, and glucomannan. Among the sugar compounds formed by the binding of two or more monosaccharides, from the viewpoints of the moisturizing feeling and stickiness of the coated particles (A) and the cosmetic containing the coated particles (A), sugar compounds formed by the binding of two or more glucose and / or fructose are preferred, sucrose, dextrin, inulin, pullulan, and cellulose are more preferred, and dextrin and inulin are particularly preferred. The number of sugar linkages (degree of polymerization) in the sugar compound may be 2 or more, 3 or more, 4 or more, 5 or more, 10 or more, or 20 or more, for example 5 or more, and may also be 5000 or less, 1000 or less, 750 or less, 500 or less, 250 or less, 100 or less, 50 or less, or 25 or less, preferably 100 or less.

[0031] Preferred fatty acids having 8 to 28 carbon atoms that form a sugar compound and an ester compound include linear saturated fatty acids having 8 to 28 carbon atoms, branched saturated fatty acids having 8 to 28 carbon atoms, linear unsaturated fatty acids having 8 to 28 carbon atoms, and branched unsaturated fatty acids having 8 to 28 carbon atoms. Examples of the linear saturated fatty acids having 8 to 28 carbon atoms include octanoic acid, dodecanoic acid, tetradecanoic acid (myristic acid), hexadecanoic acid (palmitic acid), octadecanoic acid (stearic acid), eicosanoic acid, and octacosanoic acid. Examples of the branched saturated fatty acids having 8 to 28 carbon atoms include 2-ethylhexanoic acid, 11-methyldodecanoic acid, 2-hexyldecanoic acid, 2-octadecanoic acid, and 16-methylheptadecanoic acid. Examples of the linear unsaturated fatty acids having 8 to 28 carbon atoms include 9-hexadecenoic acid, 11-octadecenoic acid, 9,11,13-octadecatrienoic acid, and 5,8,11-eicosatetraenoic acid. Examples of the branched unsaturated fatty acids having 8 to 28 carbon atoms include isomyristoleic acid, isooeic acid, 2-methyl-9-octadecenoic acid, and 2-methyl-2-eicosenoic acid. As the fatty acid having 8 to 28 carbon atoms, from the viewpoints of the hydrophobicity and moisturizing feeling of the coated particles (A) and the moisturizing feeling and stickiness of the cosmetic containing the coated particles (A), linear and branched saturated fatty acids having 8 to 28 carbon atoms are more preferable, and linear and branched saturated fatty acids having 14 to 22 carbon atoms are particularly preferable. The number of carbon atoms of the fatty acid may be 8 or more, 12 or more, 14 or more, 16 or more, or 18 or more, preferably 14 or more, and may be 28 or less, 26 or less, 24 or less, or 22 or less, preferably 22 or less.

[0032] The ester compound can be obtained by converting a fatty acid having 8 to 28 carbon atoms into a fatty acid chloride by a known method (for example, "Research on Alkyl Ketene Dimer (Sixth Report) Synthesis of Fatty Acid Chloride Using Dimethylformamide and Phosphorus Oxychloride" by Yoshirou Imai, Journal of the Oil Chemical Society, 1961), and then esterifying it with a sugar compound by a known method (for example, International Publication No. 2011 / 102123).

[0033] The degree of substitution per monosaccharide unit, which is a repeating unit of the sugar compound, of the ester compound (hereinafter referred to as the degree of substitution) is preferably 1 or more, more preferably 1.5 or more, from the viewpoint of the hydrophobicity of the coated particles (A), and may be 3.0 or less, 2.8 or less, 2.6 or less, 2.4 or less, or 2.2 or less, and is preferably 2.4 or less. The degree of substitution per monosaccharide unit of the sugar compound is a value calculated as the average value per monosaccharide unit, which is a repeating unit of the sugar compound, of the number of hydroxyl groups esterified with a fatty acid, and means the average number of hydroxyl groups esterified with a fatty acid among the hydroxyl groups possessed by the monosaccharide unit, which is a repeating unit in the sugar compound. For example, dextrin, which is a polysaccharide in which glucose is linked by an α-1,4 bond, has three hydroxyl groups per unit glucose, so the maximum value of the degree of substitution per monosaccharide unit in the esterified product of dextrin and a fatty acid having 8 to 28 carbon atoms is 3.

[0034] The degree of substitution per monosaccharide unit in the esterified product of dextrin and a fatty acid having 8 to 28 carbon atoms can be confirmed by proton nuclear magnetic resonance (hereinafter sometimes abbreviated as 1 HNMR) of the esterified product of dextrin and a fatty acid having 8 to 28 carbon atoms.

[0035] As the ester compound, a compound obtained by subjecting a sugar compound and a fatty acid to an esterification reaction by a known method (for example, the method described in Patent No. 6869942, etc.) may be used, or an ester compound obtained from the market may be used. As ester compounds obtained from the market, Leopal KL2 (registered trademark, ester compound of palmitic acid and dextrin, degree of substitution = 2), Leopal TL2 (registered trademark, ester compound of palmitic acid and dextrin, degree of substitution = 1.5), Leopal MKL2 (registered trademark, ester compound of myristic acid and dextrin, degree of substitution = 2), Leopal TT2 (registered trademark, ester compound of palmitic acid, 2-ethylhexanoic acid and dextrin, degree of substitution = 1.5), Leopal ISL2 (registered trademark, ester compound of stearic acid and inulin, degree of substitution = 3), and Unifilma HVY (registered trademark, ester compound of isostearic acid and dextrin, degree of substitution = 2), Leopal WX (registered trademark, ester compound of palmitic acid, hexyl decanoic acid and dextrin), etc. of Chiba Flour Milling Co., Ltd. can be preferably used.

[0036] Since the ester compound forming the coating layer of the coated particles (A) has hydrophobicity and is insoluble in water, the surface of the coated particles (A) becomes hydrophobic. Therefore, by mixing the coated particles (A) with water and observing the amount of the coated particles (A) that floats and separates on the water surface, the degree of hydrophobization of the surface of the coated particles (A) can be confirmed, and the hydrophobized state of the coated particles (A) can be estimated. For example, it can be evaluated by the appearance after adding 0.1 g of the coated particles (A) to 25 g of purified water in a 30 mL beaker containing a stir bar and stirring for 30 minutes using a magnetic stirrer. If the entire amount of the coated particles (A) floats on the water surface, the coating state is good, the degree of hydrophobization of the surface of the coated particles (A) is good, and if the entire amount of the coated particles (A) is dispersed in the purified water, it can be inferred that the coating state is poor and the degree of hydrophobization is also poor. In this test method, a part of the coated particles (A) may be in a state of being dispersed in water, but it can be inferred that the larger the ratio of the coated particles (A) floating on the water surface, the better the coating state. It is preferable that 80% or more of the coated particles (A) are in a state of floating on the water surface, and it is more preferable that the entire amount of the coated particles (A) is in a state of floating on the water surface.

[0037] The proportion of the ester compound contained in the coated particles (A) is preferably 0.01 to 10% based on the weight of the cellulose particles, more preferably 0.1 to 8%, and particularly preferably 0.25 to 5% from the viewpoints of the hydrophobicity and moisturizing feeling of the coated particles (A), and the moisturizing feeling and stickiness of the cosmetic containing the coated particles (A). When the proportion of the ester compound is 0.01% or more based on the total weight of the cellulose particles and the ester compound, the hydrophobicity of the coated particles (A) can be improved. Also, when the proportion of the ester compound is 10% or less based on the total weight of the cellulose particles and the ester compound, the moisturizing feeling and stickiness of the cosmetic containing the coated particles (A) can be improved. The proportion of the ester compound contained in the coated particles (A) can be calculated from the weights of the cellulose particles and the ester compound used in producing the cosmetic coated particles, and can also be calculated from the weight of the cellulose particles remaining after separating the ester compound from the coated particles (A) using a solvent capable of dissolving the ester compound but not the cellulose particles, such as n-hexane, and the weight of the coated particles (A) before separation.

[0038] The amount of the coated particles (A) is preferably 0.1% or more, more preferably 1% or more from the viewpoints of the moisturizing feeling and stickiness in the cosmetic. The amount of the coated particles (A) is preferably 20% or less, more preferably 10% or less from the viewpoints of the moisturizing feeling and stickiness in the cosmetic.

[0039] <(B) Liquid oil with a melting point of 25°C or lower> The cosmetic in the present disclosure may contain a liquid oil (B) with a melting point of 25°C or lower.

[0040] The melting point of the liquid oil (B) may be -25°C or higher, -20°C or higher, -15°C or higher, -10°C or higher, -5°C or higher, 0°C or higher, 5°C or higher, 10°C or higher, 15°C or higher, or 20°C or higher, and may also be 25°C or lower, 23°C or lower, 18°C or lower, 13°C or lower, 8°C or lower, 3°C or lower, -2°C or lower, -7°C or lower, -12°C or lower, or -18°C or lower. By having the melting point within the above range, the effects of the present disclosure can be preferably achieved.

[0041] Examples of the liquid oil (B) used in the present disclosure include natural animal and vegetable oils, hydrocarbon oils, ester oils, silicone oils, higher alcohols, higher fatty acids, etc., and it is more preferable to contain ester oils. These may be used alone or in combination of two or more.

[0042] Examples of natural animal and vegetable oils include avocado oil, linseed oil, almond oil, eno oil, olive oil, kaya oil, liver oil, ginger oil, wheat germ oil, sesame oil, rice germ oil, rice bran oil, camellia oil, safflower oil, cinnamon oil, turtle oil, soybean oil, camellia japonica oil, evening primrose oil, corn oil, rapeseed oil, palm oil, palm kernel oil, castor oil, sunflower oil, jojoba oil, macadamia nut oil, coconut oil, peanut oil, lanolin, reduced lanolin, egg yolk oil, etc.

[0043] Examples of hydrocarbon oils include squalane, squalene, liquid paraffin, light isoparaffin, light liquid isoparaffin, liquid isoparaffin, heavy liquid isoparaffin, polybutene, α-olefin oligomer, pristane, polyisobutylene, etc.

[0044] The fatty acid constituting the ester oil may be saturated or unsaturated, preferably saturated. The fatty acid constituting the ester oil may be linear, branched, or cyclic, preferably linear or branched. The number of carbon atoms of the fatty acid constituting the ester oil may be 5 or more, 6 or more, 8 or more, 10 or more, 15 or more, 20 or more, or 25 or more, preferably 6 or more, more preferably 8 or more, and may also be 40 or less, 35 or less, 30 or less, 25 or less, 20 or less, 16 or less, 12 or less, or 8 or less, preferably 30 or less.

[0045] The alcohol constituting the ester oil may be monohydric or polyhydric (e.g., dihydric or trihydric), or a combination thereof. The alcohol constituting the ester oil may be saturated or unsaturated, preferably saturated. The alcohol constituting the ester oil may be linear, branched, or cyclic, preferably linear or branched. The number of carbon atoms of the alcohol constituting the ester oil may be 1 or more, 2 or more, 3 or more, 5 or more, 6 or more, 8 or more, 10 or more, 15 or more, 20 or more, or 25 or more, and may also be 40 or less, 35 or less, 30 or less, 25 or less, 20 or less, 16 or less, 12 or less, 8 or less, 6 or less, 4 or less, or 3 or less.

[0046] Examples of the monohydric alcohol constituting the ester oil include alcohols in which one hydrogen of an aliphatic hydrocarbon is substituted with a hydroxy group. The number of carbon atoms of the monohydric alcohol constituting the ester oil, in the case of monohydric, may be 1 or more, 2 or more, 3 or more, 5 or more, 6 or more, 8 or more, 10 or more, 15 or more, 20 or more, or 25 or more, and may also be 40 or less, 35 or less, 30 or less, 25 or less, 20 or less, 16 or less, or 12 or less, preferably 30 or less, more preferably 20 or less.

[0047] Examples of the dihydric alcohol constituting the ester oil include glycols such as ethylene glycol, propylene glycol, and propane diol. The number of carbon atoms of the alcohol constituting the ester oil, in the case of dihydric, may be 2 or more, 3 or more, 5 or more, 6 or more, 8 or more, 10 or more, 15 or more, 20 or more, or 25 or more, and may also be 40 or less, 35 or less, 30 or less, 25 or less, 20 or less, 16 or less, 12 or less, 8 or less, 6 or less, 4 or less, or 3 or less, preferably 10 or less.

[0048] Examples of the trivalent alcohol constituting the ester oil include glycerin and the like. The number of carbon atoms of the trivalent alcohol constituting the ester oil may be 2 or more, 3 or more, 5 or more, 6 or more, 8 or more, 10 or more, 15 or more, 20 or more, or 25 or more, and may also be 40 or less, 35 or less, 30 or less, 25 or less, 20 or less, 16 or less, 8 or less, 10 or less, 12 or less, 8 or less, 6 or less, 4 or less, or 3 or less, preferably 10 or less.

[0049] Examples of the polyhydric alcohol (tetravalent or higher) constituting the ester oil include sugar alcohols such as pentaerythritol. The number of carbon atoms of the polyhydric alcohol (tetravalent or higher) constituting the ester oil may be 2 or more, 3 or more, 5 or more, 6 or more, 8 or more, 10 or more, 15 or more, 20 or more, or 25 or more, and may also be 40 or less, 35 or less, 30 or less, 25 or less, 20 or less, 16 or less, 12 or less, 10 or less, 8 or less, 6 or less, 4 or less, or 3 or less, preferably 10 or less.

[0050] The molecular weight of the ester oil may be 100 or more, 200 or more, 300 or more, 500 or more, 750 or more, 1000 or more, 1200 or more, 1500 or more, preferably 300 or more, and may also be 3000 or less, 2500 or less, 2000 or less, 1500 or less, 1000 or less, or 500 or less.

[0051] Examples of ester oils include diisobutylene adipate, 2-hexyldecyl adipate, di-2-heptylundecyl adipate, N-alkyl glycol monoisostearate, isocetyl isostearate, trimethylolpropane triisostearate, cetyl 2-ethylhexanoate, ethylene glycol di-2-ethylhexanoate, neopentyl glycol di-2-ethylhexanoate, trimethylolpropane tri-2-ethylhexanoate, pentaerythritol tetra-2-ethylhexanoate, cetyl octanoate, octyldodecyl gum ester, oleyl oleate, octyldodecyl oleate, decyl oleate, neopentyl glycol dicaprate, triethyl citrate, 2-ethylhexyl succinate, amyl acetate, ethyl acetate, butyl acetate, isocetyl stearate, butyl stearate, diisopropyl sebacate, di-2-ethylhexyl sebacate, cetyl lactate, myristyl lactate, isopropyl palmitate, 2-ethylhexyl palmitate, 2-hexyldecyl palmitate, 2-heptylundecyl palmitate, cholesteryl 12-hydroxystearate, dipentaerythritol fatty acid ester, isopropyl myristate, 2-octyldodecyl myristate, 2-hexyldecyl myristate, myristyl myristate, hexyl decyl dimethyloctanoate, ethyl laurate, hexyl laurate, N-lauroyl-L-glutamic acid 2-octyldodecyl diester, diisostearyl malate, acetoglyceride, glyceryl triisooctanoate, glyceryl triisostearate, glyceryl triisopalmitate, glyceryl tri-2-ethylhexanoate, glyceryl monostearate, glyceryl di-2-heptylundecanoate, glyceryl trimyristate, glyceryl tri(caprylic acid / capric acid), glyceryl triyashi oil fatty acid, lanolin acetate, and the like.

[0052] Examples of silicone oils include dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, tetramethyltetrahydrogensiloxane, alkyl-modified silicone, and the like.

[0053] Examples of higher alcohols include oleyl alcohol, decyltetradecanol, isostearyl alcohol, 2-octyldodecanol, and the like.

[0054] Examples of higher fatty acids include oleic acid, isostearic acid, and the like.

[0055] In the cosmetic, the amount of the liquid oil (B) may be 1% or more, 2% or more, 3% or more, 4% or more, 5% or more, 8% or more, 10% or more, 13% or more, 15% or more, 18% or more, or 20% or more. From the viewpoint of moisturizing feeling, 1% or more is preferable, and 5% or more is more preferable. Also, it may be 90% or less, 85% or less, 80% or less, 75% or less, 70% or less, 65% or less, 60% or less, 55% or less, 50% or less, 45% or less, or 40% or less. From the viewpoint of stickiness, 80% or less is preferable, and 70% or less is more preferable.

[0056] 〔Other Components〕 Furthermore, the cosmetic of the present disclosure may contain, as other components, components generally used in cosmetics, for example, surfactants, alcohols, water, powders other than the coating particles (A), ultraviolet ray protectants, gelling agents and thickeners, antiperspirants, moisturizers, antibacterial agents, preservatives, antioxidants, pH adjusters, chelating agents, fragrances, cooling agents, anti-inflammatory agents, beauty components (whitening agents, cell activators, roughness improvers, blood circulation promoters, skin astringents, anti-seborrheic agents, etc.), vitamins, amino acids, nucleic acids, hormones, etc., within a range that does not lose the effects of the present disclosure. These may be used alone or in combination of two or more.

[0057] Examples of surfactants include anionic surfactants, cationic surfactants, nonionic surfactants, amphoteric surfactants, and the like.

[0058] Examples of anionic surfactants include saturated or unsaturated fatty acid salts, alkylbenzene sulfonates, alkyl or alkenyl sulfates, alkyl sulfonates, alkyl or alkenyl ether carboxylates, α-sulfo fatty acid salts, N-acyl amino acid salts, mono- or diester salts of phosphoric acid, sulfosuccinate ester salts, and the like.

[0059] Examples of cationic surfactants include alkyltrimethylammonium salts, alkoxyalkyltrimethylammonium salts, dialkyldimethylammonium salts, alkylamidoalkyltrimethylammonium salts, alkyl dimethylamines and their salts, alkoxyalkyl dimethylamines and their salts, alkylamidoalkyl dimethylamines and their salts, and the like.

[0060] Examples of nonionic surfactants include polyoxyalkylene alkyl ethers, polyoxyalkylene alkenyl ethers, polyoxyalkylene sorbitan fatty acid esters, polyoxyalkylene fatty acid esters, alkyl glucosides, alkyl alkanolamides, alkyl glyceryl ethers, higher fatty acid sucrose esters, polyglycerin fatty acid esters, polyoxyalkylene hydrogenated castor oil, alkyl saccharides, polyether-modified silicones, polyglycerin-modified silicones, and the like.

[0061] Examples of amphoteric surfactants include betaine-based surfactants such as alkyl dimethylaminoacetate betaine, fatty acid amide propyl betaine, alkyl hydroxy sulfobetaine, and sultaine-based surfactants such as lauryl hydroxy sultaine.

[0062] Examples of alcohols include lower alcohols such as ethanol and isopropanol, glycerin, diglycerin, polyglycerin, ethylene glycol, diethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, 1,3-butylene glycol, 1,3-propanediol, pentylene glycol, ethylhexylglycerin, sorbitol, xylitol, maltitol, erythritol, mannitol, lactitol, and the like.

[0063] Examples of powders other than the coated particles (A) include inorganic powders, organic powders, metal soap powders, coloring agents, pearl pigments, metal powders, and the like.

[0064] Examples of inorganic powders include mica, synthetic mica, sericite, synthetic sericite, talc, kaolin, silicon carbide, silicate, barium sulfate, bentonite, smectite, aluminum oxide, silica, magnesium oxide, zirconium oxide, magnesium carbonate, calcium carbonate, chromium oxide, aluminum hydroxide, magnesium hydroxide, boron nitride, hydroxyapatite, alumina, lauroyl lysine, metal soap powder, and the like.

[0065] Examples of organic powders include polyamide powder, polyester powder, polyethylene powder, polypropylene powder, polystyrene powder, polyurethane, benzoguanamine powder, polymethylbenzoguanamine powder, tetrafluoroethylene powder, polymethyl methacrylate powder, silk powder, nylon powder (nylon 12, nylon 6), styrene-acrylic acid copolymer powder, divinylbenzene-styrene copolymer powder, vinyl resin powder, urea resin powder, phenol resin powder, fluororesin powder, epoxy resin powder, polycarbonate resin powder, rice starch, lauroyl lysine, and the like.

[0066] Examples of metal soap powders include powders such as zinc stearate, aluminum stearate, calcium stearate, magnesium stearate, zinc myristate, magnesium myristate, zinc cetyl phosphate, calcium cetyl phosphate, sodium zinc cetyl phosphate, etc.

[0067] Examples of colorants include inorganic white pigments such as titanium oxide and zinc oxide, inorganic colored pigments such as yellow iron oxide, red iron oxide, black iron oxide, carbon black, ultramarine, navy blue, navy blue titanium oxide, black titanium oxide, chromium oxide, chromium hydroxide, titanium·titanium oxide sintered product, etc., tar dyes such as Red No. 104, Red No. 201, Red No. 202, Red No. 226, Red No. 230, Yellow No. 401, Blue No. 1, Blue No. 404, etc. and lake products thereof, natural pigments such as carminic acid, laccaic acid, carthamin, brazilein, crocin, etc. and lake products thereof, and composite powders obtained by compounding these powders, etc.

[0068] Examples of pearl pigments include fish scale foil, mica titanium, bengal coating (titanium oxide·aluminum hydroxide) mixture, bengal-coated mica, bismuth oxychloride, titanium oxide-coated bismuth oxychloride, iron oxide-coated mica titanium, organic pigment-coated mica titanium, titanium oxide·silicic anhydride composite-coated mica, titanium oxide-coated talc, silicon dioxide·bengal composite-coated aluminum, titanium oxide-coated borosilicate (Ca / Na), resin-coated plate-shaped aluminum powder, titanium oxide·yellow iron oxide·bengal / methacrylic acid lauryl·ethylene glycol dimethacrylate copolymer mixture, etc.

[0069] Examples of metal powders include aluminum powder, copper powder, stainless steel powder, etc.

[0070] Examples of ultraviolet ray protectants include ultraviolet absorbers such as ethylhexyl methoxycinnamate, octocrylene, dimethicone diethylbenzalmalonate, polysilicone-15, t-butylmethoxydibenzoylmethane, ethylhexyl triazone, hexyl diethylaminohydroxybenzoyl benzoate, bis-ethylhexyl oxy-phenol methoxyphenyl triazine, oxybenzone-3, methylene bis-benzotriazolyl tetramethylbutylphenol, phenylbenzimidazole sulfonic acid, homosalate, and ethylhexyl salicylate, and fine particle metal oxides such as fine particle titanium oxide, fine particle zinc oxide, fine particle iron oxide, and fine particle cerium oxide.

[0071] Examples of oil-based thickeners and gelling agents include metal soaps such as aluminum stearate, magnesium stearate, and zinc myristate, amino acid derivatives such as N-lauroyl-L-glutamic acid dibutylamide, dextrin fatty acid esters such as ester compounds of palmitic acid and dextrin, ester compounds of stearic acid and dextrin, and ester compounds of palmitic acid, 2-ethylhexanoic acid, and dextrin, sucrose fatty acid esters such as sucrose palmitate and sucrose stearate, fructooligosaccharide fatty acid esters such as fructooligosaccharide stearate and fructooligosaccharide 2-ethylhexanoate, benzylidene derivatives of sorbitol such as monobenzylidene sorbitol and dibenzylidene sorbitol, and organically modified clay minerals such as dimethylbenzyl dodecylammonium montmorillonite clay and dimethyldioctadecylammonium montmorillonite clay.

[0072] Examples of aqueous thickeners and gelling agents include plant polymers such as gum arabic, galactan, guar gum, carrageenan, pectin, agar, quince seed (membrillo), starch (rice, corn, potato, wheat), locust bean gum, etc.; microbial polymers such as xanthan gum, dextrin, pullulan, etc.; animal polymers such as collagen, casein, gelatin, etc.; starch polymers such as carboxymethyl starch, methylhydroxypropyl starch, etc.; cellulose polymers such as methylcellulose, ethylcellulose, hydroxypropylmethylcellulose, carboxymethylcellulose, sodium cellulose sulfate, crystalline cellulose, etc.; alginic acid polymers such as sodium alginate, propylene glycol alginate, etc.; vinyl polymers such as polyvinyl methyl ether, carboxyvinyl polymer, alkyl-modified carboxyvinyl polymer, etc.; polyoxyethylene polymers; polyoxyethylene-polyoxypropylene copolymer polymers; acrylic polymers such as sodium polyacrylate, polyethyl acrylate, polyacrylamide, etc.; clay minerals such as bentonite, magnesium aluminum silicate, hectorite, silica anhydride, etc.; polyethyleneimine, cationic polymers, and the like.

[0073] Examples of antiperspirants include aluminum chlorohydrate, aluminum chloride, aluminum sesquichlorohydrate, zirconyl hydroxy chloride, aluminum zirconium hydroxy chloride, aluminum zirconium glycine complex, and the like.

[0074] Examples of humectants include urea, hyaluronic acid, chondroitin sulfate, pyrrolidone carboxylate, polyoxyethylene methyl glucoside, polyoxypropylene methyl glucoside, and the like.

[0075] Examples of preservatives and antibacterial agents include alkyl paraoxybenzoates, benzoic acid, sodium benzoate, sorbic acid, potassium sorbate, phenoxyethanol, salicylic acid, phenol, parachlorometacresol, hexachlorophene, benzalkonium chloride, chlorhexidine chloride, trichlorocarbanilide, photosensitizers, and the like.

[0076] Examples of antioxidants include tocopherol, butylhydroxyanisole, dibutylhydroxytoluene, phytic acid, and the like.

[0077] Examples of pH adjusters include lactic acid, citric acid, glycolic acid, succinic acid, tartaric acid, malic acid, carbonic acid, and the like, and their salts.

[0078] Examples of chelating agents include alanine, edetic acid, polyphosphoric acid, metaphosphoric acid, phosphoric acid, and the like, and their salts.

[0079] Examples of cooling agents include L-menthol, peppermint oil, eucalyptus oil, and the like.

[0080] Examples of anti-inflammatory agents include allantoin, azulene, glycyrrhizic acid, glycyrrhetinic acid, tranexamic acid, and the like, and their salts.

[0081] Examples of skin beautifying ingredients include placenta extract, arbutin, glutathione, whitening agents such as extract of Saxifraga stolonifera, cell activators such as royal jelly, photosensitizers, cholesterol derivatives, extract of calf blood, agents for improving rough skin, nonyl acid valeryl amide, benzyl nicotinate, β-butoxyethyl nicotinate, capsaicin, gingerol, cantharis tincture, ichthyol, caffeine, tannic acid, α-borneol, tocopherol nicotinate, inositol hexanicotinate, cyclandelate, cinnarizine, tolazoline, acetylcholine, verapamil, cephalanthin, γ-oryzanol, and other blood circulation promoters, tannic acid and other skin astringents, sulfur, tiopronin and other anti-seborrheic agents, and the like.

[0082] Examples of vitamins include vitamin A, B, C, D, E, nicotinic acids, pantothenic acids, and their derivatives, etc., other than the above components.

[0083] Examples of amino acids include glycine, valine, leucine, isoleucine, serine, threonine, phenylalanine, arginine, lysine, aspartic acid, glutamic acid, cystine, cysteine, methionine, tryptophan, etc.

[0084] Examples of nucleic acids include deoxyribonucleic acid, etc.

[0085] Examples of hormones include estradiol, ethinyl estradiol, etc.

[0086] <Method for manufacturing cosmetics> The method for manufacturing cosmetics in the present disclosure is not particularly limited, and known manufacturing methods can be used. For example, a method of stirring while heating if necessary so that the raw materials are uniformly dispersed can be mentioned. If necessary, a high-dispersion machine such as a roller mill, a high-pressure homogenizer, a bead mill, a microfluidizer, etc. can be used. The cosmetics may be in a formed state, and the forming may be dry forming or wet forming.

[0087] <Cosmetics> Examples of the cosmetics in the present disclosure include skin cosmetics and hair cosmetics, etc. Skin cosmetics include scalp cosmetics. Skin cosmetics include lotion, emulsion, essence, cream, hand cream, pack, lotion, facial wash, cleansing, powder foundation, liquid foundation, makeup base, concealer, face powder, blush, eyeshadow, eyeliner, lipstick, lip cream, lip gloss, body lotion, deodorant, hair tonic, scalp treatment, hair growth agent, bath agent, sunscreen, etc. Hair cosmetics include shampoo, treatment, conditioner, rinse, setting agent, mascara, etc.

[0088] <Shape of Cosmetic> The shape of the cosmetic during storage in the present disclosure is not particularly limited, and examples include liquid, emulsion, cream, paste, gel, sheet, solid, semi-solid, powder, etc. Further, the shape during use is not particularly limited, and examples include liquid, emulsion, foam, mist, cream, paste, gel, sheet, solid, semi-solid, powder, etc.

[0089] <Application Site of Cosmetic> The application site of the cosmetic composition in the present disclosure is not particularly limited, and for the skin, examples include the skin of the face, head, hands, arms, feet, legs, shoulders, chest, waist, buttocks, back, and any other part. For the hair, examples include the hair on the aforementioned skin, such as hair, beard, and eyelashes.

[0090] <Container of Cosmetic> The container of the cosmetic in the present disclosure is not particularly limited, and examples include bottle containers, jar containers, tube containers, pump containers, non-aerosol containers, aerosol containers, containers with applicators, compact containers, dispensing containers, and powder containers, etc.

[0091] <Manufacturing Method of Coated Particles (A)> The production of the coated particles (A) of the present disclosure can be carried out by mixing cellulose particles and an ester compound. As the production method, a dry method in which the coating treatment is carried out without using a solvent or a wet method in which the coating treatment is carried out using an ester compound dispersed or dissolved in a solvent using a solvent can be used. As a method for producing the coated particles (A) by the dry method, a method of coating cellulose particles with an ester compound by mixing cellulose particles and an ester compound without using a solvent using a stirrer (such as a mill mixer, a pansy mixer, a planetary mixer, a disperser mixer, a homomixer, a ribbon blender, a jet mill, a ball mill, a kneader, an extruder, a mortar, and a crusher, etc.), a crusher, a mixer, and a disperser can be mentioned. In the dry method, the coating treatment may be performed while applying energy such as heat, ultraviolet rays, lasers, and electromagnetic waves.

[0092] In the dry method, the mixing time may be adjusted according to the machine used and the throughput, and it is preferable to mix until the surface of the cosmetic-coated particles exhibits water repellency. Also, the mixing temperature in the dry method is preferably 0°C to 50°C. In the dry method, the weight ratio of the ester compound to the cellulose particles to be mixed is preferably 0.01 to 10%, more preferably 0.1 to 8%, and particularly preferably 0.25 to 5%. In the dry method, it is preferable not to use a solvent during mixing.

[0093] Examples of the method for producing the coated particles (A) by the wet method include a method of coating cellulose particles with an ester compound by mixing cellulose particles with an ester compound dissolved or dispersed in a solvent (water and / or an organic solvent). The solvent used in the wet method is preferably an ester oil and a hydrocarbon oil, more preferably an ester oil, and particularly preferably glyceryl tri(caprylate / caprate), dipropylene glycol di(caprylate / caprate), and hexyl laurate. The content of the solvent is preferably 40% or more based on the weight of the cellulose particles. The weight ratio of the ester compound to the solvent is preferably 0.1 to 20%, and more preferably 1 to 5%. The weight ratio of the treatment liquid in which the ester compound is dissolved or dispersed in the solvent to the cellulose particles is preferably 30:70 to 99:1. The apparatus used in the wet method is not particularly limited as long as it can stir and heat. In the wet method, it is preferable to have a step of removing the solvent. As a method for removing the solvent, there are methods such as vaporizing and distilling off the solvent by heating and / or reducing the pressure, and methods such as extracting and removing the solvent from a mixture of cellulose particles, an ester compound, and a solvent. Examples of the method for extracting and removing the solvent from a mixture of cellulose particles, an ester compound, and a solvent include a method of mixing the mixture with another organic solvent [ether solvents (such as diethyl ether and tetrahydrofuran), and hydrocarbon solvents (such as toluene and hexane), etc.] other than the above-mentioned ester oil and hydrocarbon oil to extract the solvent contained in the mixture into the other solvent, and a method of mixing a supercritical fluid or a subcritical fluid with the mixture to extract the solvent into the supercritical fluid or the subcritical fluid. In particular, from the viewpoint of the skin irritation of the coated particles (A), a method of removing the solvent using a supercritical fluid or a subcritical fluid is preferable.

[0094] In the case of coating treatment by the wet method, in the method of removing the solvent using a supercritical fluid or a subcritical fluid, it is preferable to have a step of mixing at least one oily component selected from the group consisting of ester oil, hydrocarbon oil, fatty acid oil, aliphatic alcohol oil, and silicone oil with the solvent and mixing a compound that forms a supercritical fluid or a subcritical fluid with a mixture containing cellulose particles, the solvent, and the above-mentioned ester compound in a pressure vessel. The pressure vessel is a pressure-resistant vessel that can maintain a pressure above the following critical point, and there is no restriction on the material, and it may be a vessel whose interior is coated with a fluororesin, glass, or the like. The capacity of the pressure vessel can be arbitrarily selected according to the production amount of the coated particles (A). The pressure vessel can be equipped with auxiliary equipment such as a valve for discharging the contents, a pressure regulating valve, a heating and cooling device, and a stirring device, as necessary.

[0095] Since ester oil, hydrocarbon oil, fatty acid oil, aliphatic alcohol oil, and silicone oil are also used as a component of cosmetics, when used as a solvent in the wet method, even if the solvent remains in the coated particles (A), there is little risk of irritating the skin. In addition, it is preferable because it dissolves in the supercritical fluid or the subcritical fluid by mixing with the supercritical fluid or the subcritical fluid and there is little residue on the coated particles (A). As the ester oil, ester oils known as raw materials for cosmetics can be used, such as the liquid oils and fats and synthetic ester oils described in JP-A-2020-26432, and tri(caprylic acid / capric acid) glyceryl, di(caprylic acid / capric acid) propanediol, and hexyl laurate can be preferably used. As the hydrocarbon oil, hydrocarbon oils known as raw materials for cosmetics can be used, such as the hydrocarbon oils described in JP-A-2020-26432, and squalane can be preferably used. As the fatty acid oil, fatty acid oils known as raw materials for cosmetics can be used, and saturated fatty acids having 9 or less carbon atoms can be preferably used. As the aliphatic alcohol oil, aliphatic alcohol oils known as raw materials for cosmetics can be used, and saturated aliphatic alcohols having 11 or less carbon atoms can be preferably used. As the silicone oil, silicone oils known as raw materials for cosmetics can be used, such as the silicone oils described in JP-A-2020-26432.

[0096] In the wet method of removing the solvent using a supercritical fluid or a subcritical fluid, as the oily component used as the solvent, ester oils and hydrocarbon oils are preferable, ester oils are more preferable, and tri(caprylic acid / capric acid) glyceryl, di(caprylic acid / capric acid) propanediol, and hexyl laurate are particularly preferable. As the ester oil, ester oils known as raw materials for cosmetics can be used, such as the liquid oils and fats and synthetic ester oils described in JP-A-2020-26432, and as the hydrocarbon oil, hydrocarbon oils known as raw materials for cosmetics can be used, such as the hydrocarbon oils described in JP-A-2020-26432. The ester oil and the hydrocarbon oil may be synthetic oils obtained by chemical synthesis or oils extracted from minerals or animals and plants. Among them, it is preferable that they are oily components extracted from plants.

[0097] The wet method of removing the solvent using a supercritical fluid or a subcritical fluid has a step of mixing a supercritical fluid or a subcritical fluid with a mixture containing an oily component, cellulose particles, and the ester compound in a pressure vessel.

[0098] The mixture containing the oily component, cellulose particles, and ester compound can be obtained by mixing the oily component, cellulose particles, and ester compound by a known method. Preferably, the mixture is a suspension in which cellulose particles are dispersed in a solution in which the ester compound is dissolved in the oily component. There is no limitation on the mixing order of the oily component, cellulose particles, and ester compound. However, since it is easy to obtain a coating layer, it is preferable to mix the cellulose particles into the solution obtained by dissolving the ester compound in the oily component. The dissolution of the ester compound in the oily component is preferably carried out by a method of adding the ester compound into the oily component while stirring the oily component heated to a temperature equal to or higher than the melting point of the ester compound. As a method of mixing cellulose particles into the solution obtained by dissolving the ester compound in the oily component, a method of gradually adding and mixing the cellulose particles into the stirring solution is preferable, and a method of gradually adding the cellulose particles while stirring a solution temperature-controlled to 50 to 120 °C by a turbine blade type high-speed disperser or the like is more preferable. As the rate of adding the cellulose particles to the solution, it is preferable to add 1 to 50% of the cellulose particles per minute to 100% of the solution.

[0099] The proportion of the ester compound contained in the mixture is preferably 0.1 to 20% based on the total weight of the oily component and the ester compound, and more preferably 1 to 5%. The weight of the cellulose particles contained in the mixture is preferably 1 to 75% based on the total weight of the oily component, cellulose particles, and ester compound, and more preferably 10 to 60%.

[0100] In a pressure vessel, as the compound for forming a supercritical fluid to be mixed with a mixture containing an oily component, cellulose particles, and an ester compound, there is no limitation as long as it is a fluid in a region where the temperature and pressure are above the critical point, and it can be selected according to the type of the oily component contained in the mixture to be mixed, etc. As the subcritical fluid, there is no limitation as long as it is a fluid in a state below the critical point of the compound and close to the supercritical fluid, and it can be selected according to the oily component contained in the mixture. Note that the critical point is the temperature and pressure at which the densities of the gas and liquid of the compound are equal, and the fluid under the temperature and pressure above the critical point is the supercritical fluid.

[0101] By coexisting a mixture containing an oily component, cellulose particles, and an ester compound, and a compound for forming a supercritical fluid or a subcritical fluid in a pressure vessel where the temperature and pressure are maintained in a region above the critical point, a step of mixing a compound for forming a supercritical fluid or a subcritical fluid with the mixture containing the oily component, cellulose particles, and the above-mentioned ester compound can be performed in the pressure vessel.

[0102] Examples of the compound for forming a supercritical fluid or a subcritical fluid include carbon dioxide (critical temperature: 31 °C, critical pressure: 7.4 MPa), ammonia (critical temperature: 132 °C, critical pressure: 11.3 MPa), water (critical temperature: 374 °C, critical pressure: 22.1 MPa), methanol (critical temperature: 239 °C, critical pressure: 8.1 MPa), ethanol (critical temperature: 243 °C, critical pressure: 6.4 MPa), ethane (critical temperature: 32 °C, critical pressure: 4.9 MPa), propane (critical temperature: 97 °C, critical pressure: 4.3 MPa), and diethyl ether (critical temperature: 194 °C, critical pressure: 35.9 MPa), etc. Among them, carbon dioxide is preferable because of its low critical temperature and critical pressure, and easy handling. The compounds for forming a supercritical fluid and a subcritical fluid may be used alone or in combination of two or more as a mixture.

[0103] As a method of coexisting a mixture containing an oily component, cellulose particles, and an ester compound, and a compound forming a supercritical fluid or a subcritical fluid in a pressure vessel in which the temperature and pressure are maintained in a region above the critical point, the mixture is placed in a pressure vessel equipped with a pressure regulating valve set to a pressure above the critical point, and then the mixture in the pressure vessel is heated to a temperature above the critical point, and a supercritical fluid or a subcritical fluid that has been previously brought to a temperature and pressure above the critical point is supplied into the pressure vessel; and a method in which the mixture is placed in a pressure vessel equipped with a pressure regulating valve set to a pressure above the critical point, then the mixture in the pressure vessel is heated to a temperature above the critical point, and a compound constituting the supercritical fluid or the subcritical fluid is supplied into the pressure vessel using a pump or the like, and the supplied compound is made into a supercritical fluid or a subcritical fluid in the pressure vessel, etc. can be used. The mixing of the mixture and the supercritical fluid or the subcritical fluid in the pressure vessel may be carried out with stirring or without stirring.

[0104] The wet method of removing the solvent using the supercritical fluid or the subcritical fluid has a step of discharging the supercritical fluid or the subcritical fluid mixed with the above mixture from the pressure vessel. In the pressure vessel, the mixture containing the oily component, the cellulose particles, and the ester compound, and the mixed supercritical fluid or subcritical fluid are discharged from the pressure vessel through a discharge valve or the like provided in the pressure vessel. The step of supplying the supercritical fluid or the subcritical fluid, or the compound forming the supercritical fluid or the subcritical fluid into the pressure vessel, and discharging the supercritical fluid or the subcritical fluid from the pressure vessel may be carried out simultaneously, or the supply and discharge may be carried out separately in order.

[0105] When simultaneously performing the steps of supplying a supercritical fluid or a subcritical fluid, or a compound that forms a supercritical fluid or a subcritical fluid, to a pressure vessel and discharging it from the pressure vessel, a pressure vessel containing a mixture heated to a temperature above the critical point, provided with a pressure regulating valve set to a pressure above the critical point, is used. A supercritical fluid or a subcritical fluid, or a compound that forms a supercritical fluid or a subcritical fluid is supplied into the pressure vessel. When the set pressure of the pressure regulating valve is reached, while continuing to supply at a pressure above the set pressure, excess supercritical fluid or subcritical fluid is discharged through the pressure regulating valve of the pressure vessel.

[0106] When separately and sequentially performing the steps of supplying a supercritical fluid or a subcritical fluid, or a compound that forms a supercritical fluid or a subcritical fluid, to a pressure vessel and discharging it from the pressure vessel, a mixture is placed in a pressure vessel equipped with a pressure regulating valve set to a pressure above the critical point. Then, the mixture in the pressure vessel is heated to a temperature above the critical point, and a supercritical fluid or a subcritical fluid, or a compound that constitutes a supercritical fluid or a subcritical fluid is supplied into the pressure vessel. When the pressure in the pressure vessel reaches the critical pressure, the supply of the supercritical fluid or the subcritical fluid, or the compound that constitutes the supercritical fluid or the subcritical fluid into the pressure vessel is stopped. The temperature and pressure above the critical point inside the pressure vessel are maintained for a certain period of time to allow the mixture and the supercritical fluid or the subcritical fluid to coexist. Then, the operation of discharging the supercritical fluid or the subcritical fluid from the pressure vessel, which is then performed, is repeated in sequence.

[0107] When a mixture containing an oily component, cellulose particles, and an ester compound is mixed with a supercritical fluid or a subcritical fluid, the solubility of the ester compound dissolved in the oily component in the oily component decreases. When the mixture is mixed with the supercritical fluid or the subcritical fluid, the ester compound dissolved in the mixture precipitates on the surface of the cellulose particles due to the decrease in solubility, forming a coating layer on the surface of the cellulose particles.

[0108] Supercritical fluids or subcritical fluids have a very strong ability to dissolve oil components that are hydrophobic compounds. Therefore, when a mixture containing an oil component, cellulose particles, and an ester compound is mixed with a supercritical fluid or a subcritical fluid, the oil component contained in the mixture dissolves in the supercritical fluid or the subcritical fluid. In the step of discharging from the pressure vessel a mixture containing an oil component, cellulose particles, and an ester compound and the mixed supercritical fluid or subcritical fluid, the oil component dissolved in the supercritical fluid or subcritical fluid is discharged from the pressure vessel simultaneously with the supercritical fluid or subcritical fluid, so that the oil component liquid oil is removed from the mixture, and the coated particles (A) are obtained.

[0109] The wet method of removing the solvent using a supercritical fluid or a subcritical fluid involves supplying the supercritical fluid or subcritical fluid, or a compound forming the supercritical fluid or subcritical fluid, to the pressure vessel, and discharging the supercritical fluid or subcritical fluid from the pressure vessel, and repeating these steps as necessary until the oil component in the pressure vessel reaches a predetermined content or less (preferably until it cannot be detected), whereby the coated particles (A) can be obtained. After the oil component in the pressure vessel reaches a predetermined content or less, it is preferable to perform a step of gradually discharging the supercritical fluid or subcritical fluid remaining in the pressure vessel while returning the pressure in the pressure vessel to atmospheric pressure and cooling. The weight of the oil component in the pressure vessel is obtained by measuring the evaporation residue weight of the filtrate obtained by filtering off the solid part after stirring and mixing an analytical sample taken out from the pressure vessel with methanol or hexane of the same weight as the analytical sample at 25°C for 30 minutes.

[0110] The supercritical fluid or subcritical fluid discharged from the pressure vessel is separated from the oil component by bringing it to a temperature and pressure below the critical point. After the compound that formed the supercritical fluid or subcritical fluid is separated from the oil component, it is preferably recovered, and it is even more preferable to be recovered and reused. In the wet method of removing a solvent using a supercritical fluid or a subcritical fluid, an apparatus having a circulation mechanism for circulating, as a raw material of the supercritical fluid or the subcritical fluid, the compound that formed the recovered supercritical fluid or subcritical fluid may be used.

[0111] The wet method of removing a solvent using a supercritical fluid or a subcritical fluid may include a step of cooling the mixture before performing a step of mixing the supercritical fluid or the subcritical fluid with a mixture containing an oily component, cellulose particles, and an ester compound. By performing the step of cooling the mixture before mixing the supercritical fluid or the subcritical fluid, the ester compound dissolved in the oily component precipitates on the surface of the cellulose particles to form a coating layer on the surface of the cellulose particles.

[0112] The cooling temperature in the step of cooling the mixture can be adjusted according to the type of the ester compound that coats the particles, but is preferably 0 to 40°C, and more preferably 0 to 30°C. The cooling of the mixture is preferably performed with stirring.

[0113] After performing the step of discharging the supercritical fluid or the subcritical fluid from the pressure vessel, the particles remaining in the pressure vessel may form aggregates, or may contain fine powder generated by the destruction of the cellulose particles. The method for producing the coated particles (A) of the present disclosure may further include a step of pulverizing and adjusting the particle size by a known method after performing the step of discharging the supercritical fluid or the subcritical fluid from the pressure vessel. The step of pulverizing and adjusting the particle size can be carried out by discharging the particles remaining in the pressure vessel from the pressure vessel and pulverizing and adjusting the particle size of the discharged particles by a known method. The number average particle diameter of the coated particles (A) obtained by performing the step of pulverizing and adjusting the particle size is preferably 0.01 to 1000 μm, and more preferably about the same number average particle diameter as the number average particle diameter of the cellulose particles used in the production, from the viewpoints of the moisturizing feeling and the sticky feeling of the cosmetic containing the produced coated particles (A).

[0114] The solvent remaining in the coated particles (A) obtained by the wet method is preferably 20% or less, more preferably 5% or less, based on the weight of the coated particles (A). The weight of the solvent remaining in the coated particles (A) is obtained by stirring and mixing the coated particles (A) with methanol or hexane of the same weight as the coated particles (A) at 25°C for 30 minutes, filtering off the solid part, and calculating the ratio of the evaporation residue of the filtrate to the dry weight of the solid part.

Examples

[0115] Hereinafter, the present disclosure will be described in more detail with reference to examples, but the present disclosure is not limited only to these examples.

[0116] <Production Example of Coated Particles (A)>

[0117] 〔Production Example 1: Production of Lauric Acid Chloride〕 100.2 g (0.500 mol) of lauric acid was placed in a 300 mL four-necked flask equipped with a stirrer, a dropping funnel, a thermometer, and an exhaust port (connected with a calcium chloride tube), heated to 50°C in a warm water bath, 18.3 g (0.250 mol) of dimethylformamide was added, and then 100.0 g (0.650 mol) of phosphoryl chloride was dropped from the dropping funnel over 40 minutes, followed by reacting for another 20 minutes. After completion of the reaction, the reaction mixture was transferred to a separating funnel, allowed to stand, and the lower layer liquid was removed. Then, the upper layer liquid was degassed at 70°C and 10 mmHg for 1 hour. 2% of dry celite was added to the weight of this treated liquid for homogenization, and then suction filtration was performed to obtain 102.8 g (0.470 mol) of lauric acid chloride.

[0118] 〔Production Example 2: Production of Behenic Acid Chloride〕 170.3 g (0.500 mol) of behenic acid was placed in a 300 mL four-necked flask equipped with a stirrer, a dropping funnel, a thermometer, and an exhaust port (connected to a calcium chloride tube). The temperature was raised to 85 °C in a warm water bath. After adding 18.3 g (0.250 mol) of dimethylformamide, 100.0 g (0.650 mol) of phosphoryl chloride was added dropwise from the dropping funnel over 40 minutes, and the reaction was continued for another 20 minutes. After completion of the reaction, the reaction mixture was transferred to a separatory funnel, allowed to stand, and the lower layer was removed. Then, the upper layer was degassed at 85 °C and 10 mmHg for 1 hour. 2% of dry celite was added to the weight of this treated solution and homogenized, and then suction filtration was performed to obtain 172.2 g (0.480 mol) of behenoyl chloride.

[0119] 〔Production Example 3: Production of palmitoyl chloride〕 128.2 g (0.500 mol) of palmitic acid was placed in a 300 mL four-necked flask equipped with a stirrer, a dropping funnel, a thermometer, and an exhaust port (connected to a calcium chloride tube). The temperature was raised to 65 °C in a warm water bath. After adding 18.3 g (0.250 mol) of dimethylformamide, 100.0 g (0.650 mol) of phosphoryl chloride was added dropwise from the dropping funnel over 40 minutes, and the reaction was continued for another 20 minutes. After completion of the reaction, the reaction mixture was transferred to a separatory funnel, allowed to stand, and the lower layer was removed. Then, the upper layer was degassed at 70 °C and 10 mmHg for 1 hour. 2% of dry celite was added to the weight of this treated solution and homogenized, and then suction filtration was performed to obtain 133.2 g (0.485 mol) of palmitoyl chloride.

[0120] 〔Production Example 4: Production of octanoyl chloride〕 72.1 g (0.500 mol) of octanoic acid was placed in a 300 mL four-necked flask equipped with a stirrer, a dropping funnel, a thermometer, and an exhaust port (connected to a calcium chloride tube). The temperature was raised to 50 °C in a warm water bath. After adding 18.3 g (0.250 mol) of dimethylformamide, 100.0 g (0.650 mol) of phosphoryl chloride was added dropwise from the dropping funnel over 40 minutes, and the reaction was continued for another 20 minutes. After completion of the reaction, the reaction mixture was transferred to a separatory funnel, allowed to stand, and the lower layer was removed. Then, the upper layer was degassed at 70 °C and 10 mmHg for 1 hour. 2% of dry celite was added to the weight of this treated solution and homogenized, and then suction filtration was performed to obtain 78.8 g (0.484 mol) of octanoyl chloride.

[0121] [Production Example 5: Production of Octacosanoic Acid Chloride] 212.4 g (0.500 mol) of octacosanoic acid was placed in a 300 mL four-necked flask equipped with a stirrer, a dropping funnel, a thermometer, and an exhaust port (connected to a calcium chloride tube), and the temperature was raised to 90 °C in a warm water bath. After adding 18.3 g (0.250 mol) of dimethylformamide, 100.0 g (0.650 mol) of phosphoryl chloride was added dropwise from the dropping funnel over 40 minutes, and the reaction was continued for another 20 minutes. After completion of the reaction, the reaction mixture was transferred to a separatory funnel, allowed to stand, and the lower layer liquid was removed. Then, the upper layer liquid was degassed at 90 °C and 10 mmHg for 1 hour. 2% of dry celite was added to the weight of this treated liquid and homogenized, and then suction filtration was performed to obtain 214.4 g (0.484 mol) of octacosanoic acid chloride.

[0122] [Production Example 6: Production of Hexanoic Acid Chloride] 58.1 g (0.500 mol) of hexanoic acid was placed in a 300 mL four-necked flask equipped with a stirrer, a dropping funnel, a thermometer, and an exhaust port (connected to a calcium chloride tube), and the temperature was raised to 50 °C in a warm water bath. After adding 18.3 g (0.250 mol) of dimethylformamide, 100.0 g (0.650 mol) of phosphoryl chloride was added dropwise from the dropping funnel over 40 minutes, and the reaction was continued for another 20 minutes. After completion of the reaction, the reaction mixture was transferred to a separatory funnel, allowed to stand, and the lower layer liquid was removed. Then, the upper layer liquid was degassed at 70 °C and 10 mmHg for 1 hour. 2% of dry celite was added to the weight of this treated liquid and homogenized, and then suction filtration was performed to obtain 63.9 g (0.475 mol) of hexanoic acid chloride.

[0123] [Production Example 7: Production of Lauric Acid Dextrin] 21.41 g (0.132 mol) of dextrin was dispersed in a mixed solvent consisting of 71 g of dimethylformamide and 62 g (0.666 mol) of 3-methylpyridine at 70 °C in a 300 mL four-necked flask equipped with a stirring device, a reflux condenser, a dropping funnel, and a thermometer. 86.6 g (0.396 mol) of lauric acid chloride obtained in Production Example 1 was added dropwise thereto over 30 minutes. After the dropping was completed, the reaction temperature was set to 80 °C and the reaction was carried out for 5 hours. After the reaction was completed, the reaction solution was put into a separating funnel, washed 5 times with methanol, and then dried with a hot air dryer at 80 °C to obtain 77.2 g of lauric acid dextrin. Also, 1 The degree of substitution of the lauric acid dextrin measured by HNMR was 2.

[0124] 〔Production Example 8: Production of behenic acid dextrin〕 111.2 g of behenic acid dextrin was obtained in the same manner as in Production Example 1, except that 86.6 g (0.396 mol) of lauric acid chloride was changed to 142.2 g (0.396 mol) of behenic acid chloride obtained in Production Example 2. Also, 1 The degree of substitution of the behenic acid dextrin measured by HNMR was 2.

[0125] 〔Production Example 9: Production of palmitic acid dextrin〕 36.6 g of palmitic acid dextrin was obtained in the same manner as in Production Example 1, except that 86.6 g (0.396 mol) of lauric acid chloride was changed to 36.3 g (0.132 mol) of palmitic acid chloride obtained in Production Example 3. Also, 1 The degree of substitution of the palmitic acid dextrin measured by HNMR was 0.5.

[0126] 〔Production Example 10: Production of octanoic acid dextrin〕 61.9 g of octanoic acid dextrin was obtained in the same manner as in Production Example 1, except that 86.6 g (0.396 mol) of lauric acid chloride was changed to 64.4 g (0.396 mol) of octanoic acid chloride obtained in Production Example 4. Also, 1 The degree of substitution of the octanoic acid dextrin measured by HNMR was 2.

[0127] 〔Production Example 11: Production of octacosanoic acid dextrin〕 Octacosanoic acid dextrin 132.9 g was obtained in the same manner as in Production Example 1, except that 86.6 g (0.396 mol) of lauric acid chloride was used instead of 175.5 g (0.396 mol) of octacosanoic acid chloride obtained in Production Example 5. Also, 1 The degree of substitution of the octacosanoic acid dextrin measured by HNMR was 2.

[0128] [Production Example 12: Production of hexanoic acid dextrin] Hexanoic acid dextrin 54.1 g was obtained in the same manner as in Production Example 1, except that 86.6 g (0.396 mol) of lauric acid chloride was used instead of 53.3 g (0.396 mol) of hexanoic acid chloride obtained in Production Example 6. Also, 1 The degree of substitution of the hexanoic acid dextrin measured by HNMR was 2.

[0129] [Formation of coated particles] Coated particles (A) coated with an ester compound were obtained by any one of the following three methods. Almost no difference in particle properties due to the difference in methods was confirmed, and in any method, coated particles (A) in which the surface of the core particles (cellulose particles) was substantially uniformly coated with the ester compound were formed. (Formation Example 1: Wet method using supercritical fluid) In a 100 mL stainless steel container, 10 g of glyceryl tri (caprylate / caprate) (trade name: O.D.O (registered trademark), manufactured by Nisshin Oillio Group, Ltd.), which is an oily component (ester oil), and a predetermined amount of an ester compound were placed, and while heating to 90 ° C. in a water bath, stirring was carried out for 30 minutes using a magnetic stirrer to dissolve the ester compound in glyceryl tri (caprylate / caprate). Subsequently, while maintaining 90 ° C., stirring was continued and a predetermined amount of core particles were added, and stirring was carried out for 30 minutes while maintaining 90 ° C. Thereafter, heating was stopped and stirring was continued until the temperature reached 30 ° C. to prepare a mixture. The entire amount of the obtained mixture was placed in a pressure-resistant reaction vessel (capacity 500 mL) equipped with a stirring device, a temperature control device, and a pressure regulating valve, which is a pressure vessel. While stirring the inside of the pressure-resistant reaction vessel, it was heated to 40 °C. Further, carbon dioxide gas was supplied into the pressure-resistant reaction vessel. When the pressure inside the pressure-resistant reaction vessel reached 20 MPa and the inside of the pressure-resistant reaction vessel reached the critical state of carbon dioxide, the supply of carbon dioxide gas was stopped. Subsequently, the inside of the pressure-resistant reaction vessel was stirred for 30 minutes to perform a step of mixing the above mixture with carbon dioxide in the critical state, which is a supercritical fluid. Subsequently, a step of discharging carbon dioxide inside the pressure-resistant reaction vessel from the pressure regulating valve provided in the pressure-resistant reaction vessel was performed. The supply and stop of carbon dioxide gas, the step of mixing the above mixture with carbon dioxide in the critical state, which is a supercritical fluid, and the step of discharging carbon dioxide inside the pressure-resistant reaction vessel were each performed 10 times in order to obtain coated particles (A). (Formation Example 2: Wet method using a volatile organic solvent) In a 100 mL beaker, 10 g of glyceryl tri(caprylate / caprate) (trade name: O.D.O (registered trademark), manufactured by Nisshin Oillio Group, Ltd.), which is an oily component (ester oil), and a predetermined amount of an ester compound were placed. While heating to 90 °C using a water bath, stirring was performed for 30 minutes using a magnetic stirrer to dissolve glyceryl tri(caprylate / caprate). Subsequently, while maintaining 90 °C, stirring was continued, a predetermined amount of particles serving as nuclei was added, and after stirring for 30 minutes while maintaining 90 °C, it was allowed to cool to room temperature while stirring for 90 minutes. Subsequently, the mixture after cooling was filtered using a Buchner funnel with No. 5C filter paper and washed 5 times with 100 mL of methanol. The obtained filtered mixture was dried in a hot air dryer at 80 °C for 3 hours and then pulverized with a mill mixer to obtain coated particles (A). (Formation Example 3: Dry method) A predetermined amount of an ester compound and a predetermined amount of particles serving as nuclei were placed in a porcelain mortar and ground with a porcelain pestle for 1 hour to obtain coated particles (A).

[0130] The raw materials described in the production examples were obtained from the market and used as the following compounds. · For lauric acid, a reagent manufactured by Fujifilm Wako Pure Chemical Corporation was used. · For behenic acid, a reagent manufactured by Fujifilm Wako Pure Chemical Corporation was used. · For palmitic acid, a reagent manufactured by Fujifilm Wako Pure Chemical Corporation was used. · For octanoic acid, a reagent manufactured by Fujifilm Wako Pure Chemical Corporation was used. · For octacosanoic acid, a reagent manufactured by Tokyo Chemical Industry Co., Ltd. was used. · For hexanoic acid, a reagent manufactured by Fujifilm Wako Pure Chemical Corporation was used. · For phosphoryl chloride, a reagent manufactured by Fujifilm Wako Pure Chemical Corporation was used. · For dextrin, a reagent manufactured by Fujifilm Wako Pure Chemical Corporation was used · For dimethylformamide, the product manufactured by Mitsubishi Gas Chemical Company, Inc. was used. · For 3-methylpyridine, a reagent manufactured by Tokyo Chemical Industry Co., Ltd. was used.

[0131] In the evaluation tests shown in this specification, the tests were carried out while changing the components contained in the cosmetics and their contents. The unit indicating the content of each component was all mass%, and these were prepared by conventional methods.

[0132] <Evaluation of moisturizing feeling> In the evaluation test related to the "moisturizing feeling" shown in this specification, using each preparation obtained by preparing by conventional methods, 10 panelists evaluated according to the following evaluation criteria, and the total score was evaluated as the evaluation result.

[0133] 〔Evaluation criteria for moisturizing feeling〕 Feeling moisturizing: 3 points Slightly feeling moisturizing: 2 points Not feeling moisturizing: 1 point

[0134] 〔Evaluation results of moisturizing feeling〕 ◎: 25 points - 30 points 〇: 20 points - 24 points △: 15 points - 19 points ×: 10 points - 14 points

[0135] <Evaluation of stickiness> In the evaluation test for "stickiness" described in this specification, each preparation obtained by a conventional method was used, and 10 panelists evaluated it according to the following evaluation criteria, and the total score was evaluated as the evaluation result.

[0136] 〔Evaluation criteria for stickiness〕 No feeling of stickiness: 3 points Slight feeling of stickiness: 2 points Feeling of stickiness: 1 point

[0137] 〔Evaluation result of stickiness〕 ◎: 25 points - 30 points 〇: 20 points - 24 points △: 15 points - 19 points ×: 10 points - 14 points

[0138] <Evaluation of UV protection effect> In the evaluation test for "UV protection effect" described in this specification, each preparation obtained by a conventional method was used, and 10 panelists evaluated it according to the following evaluation criteria, and the total score was evaluated as the evaluation result.

[0139] 〔Evaluation criteria for UV protection effect〕 Feeling of UV protection effect: 3 points Slight feeling of UV protection effect: 2 points No feeling of UV protection effect: 1 point

[0140] 〔Evaluation result of UV protection effect〕 ◎: 25 points - 30 points 〇: 20 points - 24 points △: 15 points - 19 points ×: 10 points - 14 points

[0141] (Pressed foundation) The following components were uniformly mixed so as to have the following contents (%) to obtain a pressed foundation.

[0142] In Examples 1 to 28, even when changing the type and content of the coated particles (A), and even when comparing with Comparative Examples 1 to 8, results with a high moisturizing feeling and little stickiness were obtained. [Table 1]

[0143] [Table 2]

[0144] [Table 3]

[0145] (Liquid foundation) The following components were uniformly mixed so as to have the following contents (%) to obtain a water-in-oil type emulsified cosmetic, a liquid foundation.

[0146] In Examples 29 to 54, even when changing the type and content of the coated particles (A), and even when comparing with Comparative Examples 9 to 16, results with a high moisturizing feeling and little stickiness were obtained. [Table 4]

[0147] [Table 5]

[0148] [Table 6]

[0149] The following components were uniformly mixed so as to have the following contents (%) to obtain a shake well sunscreen.

[0150] In Examples 55 to 79, even when the type and content of the coated particles (A) were changed, and when compared with Comparative Examples 17 to 24, results with a high moisturizing feeling and little stickiness were obtained.

Table 7

[0151]

Table 8

[0152]

Table 9

[0153] <Example 80: Sunscreen Cream> The following components were uniformly mixed to the following contents (%) to obtain a sunscreen cream. TIFF2025090308000010.tif180155

[0154] The obtained sunscreen cream had a high moisturizing feeling and little stickiness.

[0155] <Example 81: Eyeshadow> The following components were uniformly mixed to the following contents (%) and filled and molded into a palette to obtain an eyeshadow, which is a solid powder cosmetic. TIFF2025090308000011.tif67155

[0156] The obtained eyeshadow had a high moisturizing feeling and little stickiness.

[0157] <Example 82: Mascara> The following components were uniformly mixed to the following contents (%) to obtain a mascara. TIFF2025090308000012.tif107155

[0158] The obtained mascara had little stickiness.

[0159] <Example 83: Lipstick> The following components were uniformly mixed to the following contents (%) to obtain a lipstick. TIFF2025090308000013.tif147155

[0160] The obtained lipstick had high moisturizing feeling and little stickiness.

[0161] <Example 84: Skin Care Emulsion> The following components were uniformly mixed to the following contents (%) to obtain a skin care emulsion. TIFF2025090308000014.tif166155

[0162] The obtained skin care emulsion had high moisturizing feeling and little stickiness.

Industrial Applicability

[0163] The present disclosure can provide a cosmetic with little stickiness, and the cosmetic can be used as various cosmetics such as skin cosmetics and hair cosmetics.

Claims

1. A cosmetic containing coated particles (A), wherein the coated particles (A) have cellulose particles and a coating layer covering at least a part of the surface of the cellulose particles, and the coating layer contains an ester compound of a sugar compound formed by bonding two or more monosaccharides and a fatty acid having 8 to 28 carbon atoms, a cosmetic.

2. The cosmetic according to claim 1, wherein the cosmetic contains a liquid oil (B) having a melting point of 25°C or lower.

3. The cosmetic according to claim 2, wherein the liquid oil (B) is at least one selected from the group consisting of natural animal and vegetable oils, hydrocarbon oils, ester oils, silicone oils, higher alcohols, and higher fatty acids.

4. The cosmetic according to claim 2 or 3, wherein the liquid oil (B) contains an ester oil.

5. The cosmetic according to claim 2 or 3, wherein the amount of the liquid oil (B) is 1% or more and 90% or less in the cosmetic.

6. The cosmetic according to claim 1 or 2, wherein the amount of the coated particles (A) is 0.1% or more and 20% or less in the cosmetic.

7. The cosmetic according to claim 1 or 2, wherein the sugar compound is at least one selected from the group consisting of dextrin and inulin.

8. The cosmetic according to claim 1 or 2, wherein the fatty acid is a saturated fatty acid.

9. The cosmetic according to claim 1 or 2, wherein the degree of substitution of the ester compound is 1.5 or more.

10. The cosmetic according to claim 1 or 2, wherein the amount of the ester compound is 0.01% or more and 10% or less based on the cellulose particles.

11. The cosmetic according to claim 1 or 2, wherein the number average particle diameter of the cellulose particles is 1 μm or more and 10 μm or less.

12. The sugar compound is at least one selected from the group consisting of dextrin and inulin, The fatty acid is a saturated fatty acid, The degree of substitution of the ester compound is 1.5 or more and 3.0 or less, The amount of the ester compound is 0.1% or more and 8% or less with respect to the cellulose particles, The amount of the coated particles (A) is 0.1% or more and 20% or less in the cosmetic, The cosmetic contains a liquid oil (B) having a melting point of 25°C or lower, The liquid oil (B) is at least one selected from the group consisting of natural animal and vegetable oils, hydrocarbon oils, ester oils, silicone oils, higher alcohols, and higher fatty acids, The cosmetic according to claim 1 or 2, wherein the amount of the liquid oil (B) is 1% or more and 70% or less in the cosmetic.

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