Sheet-type cosmetics

Abstract

To provide a sheet-like cosmetic that can contain a salt-type whitening agent without a decrease in the viscosity of a base, causes no liquid-dropping when pasted on the skin, keeps a springy feeling after the removal of the sheet, and shows no stickiness after the removal in spite of the sheet having high adhesion to the skin.SOLUTION: The sheet-like cosmetic is obtained by impregnating a nonwoven fabric with a base containing at least (A) hydrophobically modified polyether urethane and (B) a salt-type whitening agent.SELECTED DRAWING: None

Description

[Technical field]

[0001] The present invention relates to a sheet-type cosmetic material impregnated with a base. [Background technology]

[0002] Skin cosmetics containing whitening agents are widely known, and for example, Patent Document 1 describes a skin cosmetic containing tranexamic acid and ascorbic acid glucoside. Patent Document 2 describes a gel composition containing L-ascorbic acid 2-glucoside, 3-O-ethyl ascorbic acid, kojic acid, ellagic acid, hydroquinone β-D-glucoside, 4-n-butylresorcinol, 5,5'-dipropylbiphenyl-2,2'-diol, tranexamic acid cetyl hydrochloride, trans-4-(aminomethyl)cyclohexanecarboxylic acid, nicotinamide, and 4-methoxysalicylic acid potassium salt.

[0003] On the other hand, sheet-type cosmetics such as masks in which a cosmetic is impregnated into a nonwoven fabric are known. For example, Patent Document 3 describes a sheet-type cosmetic that contains, as active ingredients, whitening ingredients such as tranexamic acid and potassium 4-methoxysalicylate, anti-inflammatory ingredients, and moisturizing ingredients, and also contains Alcaligenes-producing polysaccharides. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] International Publication No. 2019 / 093254 [Patent Document 2] JP 2019-14672 A [Patent Document 3] JP 2018-62484 A DISCLOSURE OF THEINVENTION [Problem to be solved by the invention]

[0005] In sheet-type cosmetics in which a nonwoven fabric is impregnated with the above-mentioned cosmetic agent, there is a demand for the impregnated base to have a high viscosity in order to prevent dripping when placed on the skin. However, so-called salt-type whitening agents such as 4-methoxysalicylate reduce the viscosity of thickeners commonly used in cosmetics, so there has not been a sheet-type cosmetic that contains a salt-type whitening agent and has high adhesion to the skin without dripping.

[0006] The present invention has been made in consideration of the above problems, and has an object to provide a sheet-type cosmetic preparation which can contain a salt-type whitening agent without reducing the viscosity of the base, which does not drip when applied to the skin, which has an excellent bouncy feel after the sheet is peeled off, and which does not feel sticky after being peeled off despite having high adhesion to the skin. [Means for solving the problem]

[0007] The sheet-type cosmetic preparation of the present invention comprises: at least, (A) a hydrophobically modified polyether urethane; (B) a salt-type whitening agent; The nonwoven fabric is impregnated with a base material containing the above.

[0008] (B) The salt-type whitening agent is preferably 4-methoxysalicylic acid potassium salt or ascorbic acid glucoside.

[0009] The mass ratio of (A) hydrophobically modified polyether urethane to (B) salt-type whitening agent is preferably 0.2-1.

[0010] It is preferable that the composition further contains a carboxyvinyl polymer (C).

[0011] It is preferable that the composition further contains (D) at least one of polyoxyethylene fatty acid glyceryl and polyoxyethylene hydrogenated castor oil.

[0012] It is preferable that the composition further contains (E) isostearic acid.

[0013] (A) The hydrophobically modified polyether urethane is preferably a (PEG-240 / Decyltetradeceth-20 / HDI) copolymer.

[0014] (D) The polyoxyethylene fatty acid glyceryl is preferably PEG-20 glyceryl (mono)isostearate.

[0015] (D) The polyoxyethylene hydrogenated castor oil is preferably PEG60 hydrogenated castor oil.

[0016] Furthermore, it is preferable that (F) diglycerin is contained in an amount of 0.2 to 4% by mass based on the total amount of the base.

[0017] Furthermore, (G) the kinetic viscosity at 25°C is 50mm 2 It is preferable that dimethicone of 2 to 5 mass % or more is contained relative to the total amount of the base.

[0018] The nonwoven fabric preferably contains polyester-based fibers and cellulosic fibers. Effect of the Invention

[0019] The sheet-type cosmetic preparation of the present invention comprises: (A) a hydrophobically modified polyether urethane; (B) a salt-type whitening agent; Since the nonwoven fabric is impregnated with a base containing the above, the salt-type whitening agent can be contained without reducing the viscosity of the base, the sheet does not drip when applied to the skin, has an excellent bouncy feel after being peeled off, and is not sticky after being peeled off despite the sheet having high adhesion to the skin.

[0020] The sheet-form cosmetic material of the present invention will be described in detail below. The sheet-type cosmetic preparation of the present invention comprises: at least, (A) a hydrophobically modified polyether urethane; (B) a salt-type whitening agent; The nonwoven fabric is impregnated with a base material containing the above. Each component of the base and the nonwoven fabric impregnated with the base will be described below. Note that each component may be simply referred to as component (A), component (B), etc. below. In this specification, HDI is an abbreviation for hexamethylene diisocyanate, POE is an abbreviation for polyoxyethylene, PEG is an abbreviation for polyethylene glycol, POP is an abbreviation for polyoxypropylene, PPG is an abbreviation for polypropylene glycol, DPG is an abbreviation for dipropylene glycol, BG is an abbreviation for butylene glycol, EO is an ethylene oxide, and PO is an abbreviation for propylene oxide.

[0021] (A) Hydrophobically modified polyether urethane The hydrophobically modified polyether urethane (A) is a hydrophobically modified polyether urethane represented by the following formula (I):

[0022] [ka]

[0023] In the above formula (I), R1, R2 and R4 each independently represent an alkylene group having 2 to 4 carbon atoms or a phenylethylene group, preferably an alkylene group having 2 to 4 carbon atoms. R3 represents an alkylene group having 1 to 10 carbon atoms which may have a urethane bond. R5 represents a linear, branched or secondary alkyl group having 8 to 36, preferably 12 to 24, carbon atoms. m is a number of 2 or more, preferably 2. h is a number equal to or greater than 1, and is preferably 1. k is a number from 1 to 500, preferably a number from 100 to 300. n is a number from 1 to 200, preferably a number from 10 to 100.

[0024] The hydrophobically modified polyether urethane represented by the above formula (I) is, for example, R1-[(O-R2) k -OH] m(wherein R1, R2, k, and m are as defined above), and one or more polyether polyols represented by R3-(NCO) h+1 (wherein R3 and h are as defined above) and one or more polyisocyanates represented by HO-(R4-O) n A preferred example is a method in which the polyether monoalcohol is reacted with one or more polyether monoalcohols represented by -R5 (wherein R4, R5 and n are as defined above).

[0025] In this case, R1 to R5 in formula (I) are each independently selected from the R1-[(O-R2) k -OH] m , R3-(NCO) h+1 , HO-(R4-O) n The charging ratio of the above three components is not particularly limited, but the ratio of hydroxyl groups derived from the polyether polyol and polyether monoalcohol to isocyanate groups derived from the polyisocyanate is preferably NCO / OH=0.8:1 to 1.4:1.

[0026] The above formula R1-[(O-R2) k -OH] m The polyether polyol compound represented by the formula (I) can be obtained by addition polymerization of an alkylene oxide such as ethylene oxide, propylene oxide, butylene oxide or epichlorohydrin, or styrene oxide to an m-valent polyol.

[0027] Here, the polyol is preferably a dihydric to octahydric one, and examples thereof include dihydric alcohols such as ethylene glycol, propylene glycol, butylene glycol, hexamethylene glycol, and neopentyl glycol; glycerin, trioxyisobutane, 1,2,3-butanetriol, 1,2,3-pentatriol, 2-methyl-1,2,3-propanetriol, 2-methyl-2,3,4-butanetriol, 2-ethyl-1,2,3-butanetriol, 2,3,4-pentanetriol, 2,3,4-hexanetriol, 4-propyl-3,4,5-heptanetriol, 2,4-dimethyl-2,3, Examples of the alcohol include trihydric alcohols such as 4-pentanetriol, pentamethylglycerin, pentaglycerin, 1,2,4-butanetriol, 1,2,4-pentanetriol, trimethylolethane, and trimethylolpropane; tetrahydric alcohols such as pentaerythritol, 1,2,3,4-pentanetetrol, 2,3,4,5-hexanetetrol, 1,2,4,5-pentanetetrol, and 1,3,4,5-hexanetetrol; pentahydric alcohols such as adonite, arabitol, and xylitol; hexahydric alcohols such as dipentaerythritol, sorbitol, mannitol, and idit; and octahydric alcohols such as sucrose.

[0028] Furthermore, R2 is determined by the alkylene oxide, styrene oxide, etc. to be added, but alkylene oxides or styrene oxides having 2 to 4 carbon atoms are particularly preferred because they are easily available and can exert excellent effects.

[0029] The alkylene oxide, styrene oxide, etc. to be added may be homopolymerized, or two or more kinds of random polymerization or block polymerization. The addition method may be a conventional method. The degree of polymerization k is 1 to 500. The proportion of ethylene groups in R2 is preferably 50 to 100 mass% of the total R2.

[0030] R1-[(O-R2) k -OH] m The molecular weight of the copolymer is preferably from 500 to 100,000, and particularly preferably from 1,000 to 50,000.

[0031] The above formula R3-(NCO) h+1 The polyisocyanate represented by the formula (I) is not particularly limited as long as it has two or more isocyanate groups in the molecule. Examples of the polyisocyanate include aliphatic diisocyanates, aromatic diisocyanates, alicyclic diisocyanates, biphenyl diisocyanates, and di-, tri-, and tetraisocyanates of phenylmethane.

[0032] Examples of aliphatic diisocyanates include methylene diisocyanate, dimethylene diisocyanate, trimethylene diisocyanate, tetramethylene diisocyanate, pentamethylene diisocyanate, hexamethylene diisocyanate, dipropyl ether diisocyanate, 2,2-dimethylpentane diisocyanate, 3-methoxyhexane diisocyanate, octamethylene diisocyanate, 2,2,4-trimethylpentane diisocyanate, nonamethylene diisocyanate, decamethylene diisocyanate, 3-butoxyhexane diisocyanate, 1,4-butylene glycol dipropyl ether diisocyanate, thiodihexyl diisocyanate, metaxylylene diisocyanate, paraxylylene diisocyanate, and tetramethylxylylene diisocyanate.

[0033] Examples of aromatic diisocyanates include metaphenylene diisocyanate, paraphenylene diisocyanate, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, dimethylbenzene diisocyanate, ethylbenzene diisocyanate, isopropylbenzene diisocyanate, tolidine diisocyanate, 1,4-naphthalene diisocyanate, 1,5-naphthalene diisocyanate, 2,6-naphthalene diisocyanate, and 2,7-naphthalene diisocyanate.

[0034] Examples of the alicyclic diisocyanate include hydrogenated xylylene diisocyanate and isophorone diisocyanate.

[0035] Examples of biphenyl diisocyanates include biphenyl diisocyanate, 3,3'-dimethylbiphenyl diisocyanate, and 3,3'-dimethoxybiphenyl diisocyanate.

[0036] Examples of phenylmethane diisocyanates include diphenylmethane-4,4'-diisocyanate, 2,2'-dimethyldiphenylmethane-4,4'-diisocyanate, diphenyldimethylmethane-4,4'-diisocyanate, 2,5,2',5'-tetramethyldiphenylmethane-4,4'-diisocyanate, cyclohexylbis(4-isocyanatephenyl)methane, 3,3'-dimethoxydiphenylmethane, Examples of suitable isocyanates include benzophenone-4,4'-diisocyanate, 4,4'-dimethoxydiphenylmethane-3,3'-diisocyanate, 4,4'-diethoxydiphenylmethane-3,3'-diisocyanate, 2,2'-dimethyl-5,5'-dimethoxydiphenylmethane-4,4'-diisocyanate, 3,3'-dichlorodiphenyldimethylmethane-4,4'-diisocyanate, and benzophenone-3,3'-diisocyanate.

[0037] Examples of phenylmethane triisocyanates include 1-methylbenzene-2,4,6-triisocyanate, 1,3,5-trimethylbenzene-2,4,6-triisocyanate, 1,3,7-naphthalene triisocyanate, biphenyl-2,4,4'-triisocyanate, diphenylmethane-2,4,4'-triisocyanate, 3-methyldiphenylmethane-4,6,4'-triisocyanate, triphenylmethane-4,4',4''-triisocyanate, 1,6,11-undecane triisocyanate, 1,8-diisocyanate-4-isocyanate methyloctane, 1,3,6-hexamethylene triisocyanate, bicycloheptane triisocyanate, and tris(isocyanate phenyl)thiophosphate.

[0038] Moreover, these polyisocyanate compounds may be used in the form of a dimer or trimer (isocyanurate bond), or may be reacted with an amine to be used as a biuret.

[0039] Furthermore, polyisocyanates having a urethane bond obtained by reacting these polyisocyanate compounds with polyols can also be used. The polyol is preferably one having a valence of 2 to 8, and the above-mentioned polyols are preferable. In addition, R3-(NCO) h+1 When a trivalent or higher polyisocyanate is used as the copolymer, the polyisocyanate having a urethane bond is preferred.

[0040] The above formula HO-(R4-O) n The polyether monoalcohol represented by -R5 is not particularly limited as long as it is a polyether of a linear, branched or secondary monohydric alcohol. Such a compound can be obtained by addition polymerization of an alkylene oxide such as ethylene oxide, propylene oxide, butylene oxide or epichlorohydrin, or styrene oxide to a linear, branched or secondary monohydric alcohol.

[0041] The linear alcohol referred to here is represented by the following formula (II). R6-OH (II)

[0042] The branched chain alcohol referred to here is represented by the following formula (III). [ka]

[0043] Moreover, the secondary alcohol is represented by the following formula (IV). [ka]

[0044] Therefore, R5 is a group obtained by removing the hydroxyl group from the above formulas (II) to (IV).10 and R 11 is a hydrocarbon group or a fluorocarbon group, for example, an alkyl group, an alkenyl group, an alkylaryl group, a cycloalkyl group, a cycloalkenyl group, etc.

[0045] Examples of the alkyl group include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tertiary butyl, pentyl, isopentyl, neopentyl, tertiary pentyl, hexyl, heptyl, octyl, 2-ethylhexyl, nonyl, decyl, undecyl, dodecyl, tridecyl, isotridecyl, myristyl, palmityl, stearyl, isostearyl, icosyl, docosyl, tetracosyl, triacontyl, 2-octyldodecyl, 2-dodecylhexadecyl, 2-tetradecyloctadecyl, and monomethyl-branched isostearyl.

[0046] Alkenyl groups include, for example, vinyl, allyl, propenyl, isopropenyl, butenyl, pentenyl, isopentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, undecenyl, dodecenyl, tetradecenyl, oleyl, and the like.

[0047] Examples of the alkylaryl group include phenyl, toluyl, xylyl, cumenyl, mesityl, benzyl, phenethyl, styryl, cinnamyl, benzhydryl, trityl, ethylphenyl, propylphenyl, butylphenyl, pentylphenyl, hexylphenyl, heptylphenyl, octylphenyl, nonylphenyl, α-naphthyl, and β-naphthyl groups.

[0048] Examples of cycloalkyl groups and cycloalkenyl groups include cyclopentyl, cyclohexyl, cycloheptyl, methylcyclopentyl, methylcyclohexyl, methylcycloheptyl, cyclopentenyl, cyclohexenyl, cycloheptenyl, methylcyclopentenyl, methylcyclohexenyl, and methylcycloheptenyl groups.

[0049] In the above formula (III), R9 is a hydrocarbon group or a fluorocarbon group, for example, an alkylene group, an alkenylene group, an alkylarylene group, a cycloalkylene group, a cycloalkenylene group, or the like.

[0050] R5 is a hydrocarbon group or a fluorocarbon group, preferably an alkyl group, and more preferably has a total of 8 to 36 carbon atoms, and particularly preferably has 12 to 24 carbon atoms.

[0051] The alkylene oxide, styrene oxide, etc. to be added may be homopolymerized, or two or more kinds of randomly polymerized or block polymerized. The addition method may be a conventional method. The degree of polymerization n is 0 to 1000, preferably 1 to 200, and more preferably 10 to 200. The proportion of ethylene groups in R4 is preferably 50 to 100 mass % of the total R4, and more preferably 65 to 100 mass %.

[0052] The copolymer represented by the above formula (I) can be produced in the same manner as in the reaction of a normal polyether with an isocyanate, for example by heating at 80 to 90° C. for 1 to 3 hours to cause the reaction.

[0053] In addition, R1-[(O-R2) k -OH] m and R3-(NCO) h+1 When polyisocyanate (b) represented by the formula (I) is reacted with polyether monoalcohol (c) represented by the formula (R4-O)n-R5, a by-product other than the copolymer having the structure of formula (I) may be produced. For example, when a diisocyanate is used, the main product is a cbabc type copolymer represented by the formula (I), but other types such as cbc type and cb-(ab) x Copolymers of the -abc type and the like may be produced as by-products. In this case, the copolymer of the formula (I) type may be used in the present invention in the form of a mixture containing the copolymer of the formula (I) type without separating the copolymer of the formula (I) type.

[0054] A particularly preferred example is a hydrophobically modified polyether urethane having the INCI name "PEG-240 / HDI COPOLYMER BISDECYLTETRADECETH-20 ETHER." This copolymer is commercially available from ADEKA CORPORATION under the trade name "ADEKA NOL GT-700."

[0055] The blending amount of (A) hydrophobically modified polyether urethane is preferably 0.1 to 3 mass % based on the total amount of the base, more preferably 0.3 to 2.5 mass %, and further preferably 0.5 to 3 mass %. By blending an amount of 0.1 mass % or more, it is possible to incorporate (B) a salt-type whitening agent without further reducing the viscosity of the base, and a more unique, bouncy feel can be obtained even after the sheet is peeled off, and by blending an amount of 3 mass % or less, it is possible to obtain a sheet that adheres better to the skin and is less sticky after peeling off.

[0056] (B) Salt-type whitening agents (B) Salt-type whitening agent means a water-soluble agent capable of forming a salt, and may be a whitening agent in a salt state or may react with other compounds to form a salt. As long as it is a water-soluble agent, there is no particular restriction and any desired agent can be blended. For example, salts of L-ascorbic acid and its derivatives, salts of tranexamic acid and its derivatives, salts of alkoxysalicylic acid and its derivatives, salts of glutathione and its derivatives, etc. are preferred.

[0057] L-ascorbic acid, commonly known as vitamin C, has a strong reducing effect, which promotes cellular respiration, enzyme activation, and collagen formation, as well as reducing melanin. Examples of L-ascorbic acid derivatives include L-ascorbic acid monoalkyl esters such as L-ascorbic acid monostearate, L-ascorbic acid monopalmitate, and L-ascorbic acid monooleate; L-ascorbic acid monoesters such as L-ascorbic acid monophosphate and L-ascorbic acid-2-sulfate; L-ascorbic acid dialkyl esters such as L-ascorbic acid distearate, L-ascorbic acid dipalmitate, and L-ascorbic acid dioleate; L-ascorbic acid trialkyl esters such as L-ascorbic acid tristearate, L-ascorbic acid tripalmitate, and L-ascorbic acid trioleate; L-ascorbic acid triesters such as L-ascorbic acid triphosphate; and L-ascorbic acid glucosides such as L-ascorbic acid 2-glucoside. In the present invention, L-ascorbic acid, L-ascorbic acid phosphate, L-ascorbic acid 2-sulfate, L-ascorbic acid 2-glucoside, and magnesium ascorbyl phosphate are preferably used in the form of each salt.

[0058] Tranexamic acid derivatives include tranexamic acid dimers (e.g., trans-4-(trans-aminomethylcyclohexanecarbonyl)aminomethylcyclohexane hydrochloride). carboxylic acid, etc.), esters of tranexamic acid and hydroquinone (for example, 4-(trans-aminomethylcyclohexanecarboxylic acid 4'-hydroxyphenyl ester, etc.), esters of tranexamic acid and gentisic acid (for example, 2-(trans-4-aminomethylcyclohexylcarbonyloxy)-5-hydroxybenzoic acid, etc.), amides of tranexamic acid (for example, trans-4-aminomethylcyclohexanecarboxylic acid methylamide, trans-4-(p-methoxybenzoyl)aminomethylcyclohexanecarboxylic acid, trans-4-guanidinomethylcyclohexanecarboxylic acid, etc.). In the present invention, a salt of tranexamic acid or a salt of a tranexamic acid derivative is preferably used.

[0059] Alkoxysalicylic acid is a salicylic acid in which the hydrogen atom at the 3rd, 4th or 5th position is replaced by an alkoxy group, and the alkoxy group as the substituent is preferably any of a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group, a butoxy group and an isobutoxy group, and more preferably a methoxy group or an ethoxy group. Specific examples of the compound names include 3-methoxysalicylic acid, 3-ethoxysalicylic acid, 4-methoxysalicylic acid, 4-ethoxysalicylic acid, 4-propoxysalicylic acid, 4-isopropoxysalicylic acid, 4-butoxysalicylic acid, 5-methoxysalicylic acid, 5-ethoxysalicylic acid and 5-propoxysalicylic acid. In the present invention, alkoxysalicylic acid and its derivatives (such as esters) are preferably used in the form of their respective salts.

[0060] The salts of the above-mentioned drugs are not particularly limited, but examples thereof include alkali metal salts or alkaline earth metal salts such as sodium salts, potassium salts, and calcium salts, as well as ammonium salts, amino acid salts, and the like. In particular, 4-methoxysalicylic acid potassium salt or ascorbic acid glucoside is preferably used.

[0061] The (B) salt-type whitening agent can be used alone or in combination with two or more kinds, and the amount is optional, and although it depends on the (B) salt-type whitening agent used and cannot be generally stated, the amount is preferably 0.001 to 3 mass% relative to the total amount of the base, and more preferably 0.05 to 2 mass%. By using an amount of 0.001 mass% or more, the whitening effect can be more effectively realized, and by using an amount of 3 mass% or less, usability can be improved.

[0062] The mass ratio of (A) hydrophobically modified polyether urethane to (B) salt-type whitening agent is preferably 0.2 to 1, and more preferably 0.3 to 0.8. When the mass ratio of (A) hydrophobically modified polyether urethane to (B) salt-type whitening agent is 0.3 or more, the (B) salt-type whitening agent can be contained without further reducing the viscosity of the base, and a more unique, bouncy feel can be obtained even after the sheet is peeled off, and when the mass ratio is 1 or less, the sheet can adhere better to the skin and be less sticky after peeling off.

[0063] (C) Carboxyvinyl polymer The base of the present invention preferably contains (C) a carboxyvinyl polymer. (C) Carboxyvinyl polymer (carbomer) is a water-soluble vinyl polymer having a carboxyl group, specifically, a polymer having acrylic acid and / or methacrylic acid as the main chain. Commercially available carboxyvinyl polymers include Carbopol 940, Carbopol 941, Carbopol 980, and Carbopol 981 (all manufactured by Lubrizol Corporation).

[0064] The blending amount of (C) carboxyvinyl polymer is preferably 0.01 to 1 mass%, more preferably 0.05 to 0.8 mass%, and further preferably 0.1 to 0.5 mass%. By blending the (C) carboxyvinyl polymer at 0.01 mass% or more, the static viscosity can be made more sufficient, so that creaming of the base can be prevented and the viscosity can be kept stable. Also, by blending the amount at 1 mass% or less, the sheet can be more closely attached to the skin and less sticky after peeling.

[0065] (D) Polyoxyethylene fatty acid glyceryl or polyoxyethylene hydrogenated castor oil The base of the present invention preferably contains (D) polyoxyethylene fatty acid glyceryl or polyoxyethylene hydrogenated castor oil. (D) At least one of polyoxyethylene fatty acid glyceryl or polyoxyethylene hydrogenated castor oil may be contained, and both may be contained.

[0066] (Polyoxyethylene fatty acid glyceryl) Examples of polyoxyethylene fatty acid glyceryl include PEG-8 glyceryl (mono)isostearate, PEG-20 glyceryl (mono)isostearate, PEG-60 glyceryl (mono)isostearate, PEG-20 glyceryl triisostearate, and PEG-7 glyceryl coconut oil fatty acid. The polyoxyethylene fatty acid glyceryl preferably has 5 to 20 moles of polyoxyethylene added.

[0067] Commercially available polyoxyethylene fatty acid glyceryl products include polyoxyethylene (8) glyceryl monoisostearate, Emalex GWIS-108 (manufactured by Nippon Emulsion Co., Ltd.), Emalex GWIS-120 (same company), which is PEG-20 glyceryl (mono)isostearate, Emalex GWIS-160 (same company), which is polyoxyethylene (60) glyceryl monoisostearate, Emalex GWIS-320 (same company), which is polyoxyethylene (20) glyceryl triisostearate, and Cetiol HE (manufactured by Cognis Japan Co., Ltd.), which is PEG-7 coconut oil fatty acid glyceryl, and Glycerox HE (CRODA).

[0068] (Polyoxyethylene hydrogenated castor oil) The polyoxyethylene hydrogenated castor oil is preferably hydrophilic, and the average number of moles of ethylene oxide added is preferably 30-100, and more preferably 40-80. Commercially available polyoxyethylene hydrogenated castor oils include Nikkol HCO-30, which is a PEG30 hydrogenated castor oil, Nikkol HCO-40, which is a PEG40 hydrogenated castor oil, Nikkol HCO-60, which is a PEG60 hydrogenated castor oil, and Nikkol HCO-100, which is a PEG100 hydrogenated castor oil (all manufactured by Nikko Chemicals Co., Ltd.). Of these, PEG60 hydrogenated castor oil can be particularly preferably used.

[0069] The blending amount of the (D) component is preferably 0.01 to 1% by mass, more preferably 0.05 to 0.8% by mass, and further preferably 0.08 to 0.5% by mass. By blending the (D) component in an amount of 0.01% by mass or more, the sheet can maintain its bouncy feel when touched and emulsion stability can be improved. Furthermore, by blending the (D) component in an amount of 1% by mass or less, the sheet can adhere better to the skin and be less sticky after peeling off.

[0070] (E) Higher fatty acids The base of the present invention preferably contains (E) a higher fatty acid. The (E) higher fatty acid is preferably a higher fatty acid having 12 to 22 carbon atoms and a linear or branched, saturated or unsaturated hydrocarbon group, and is liquid at room temperature (25° C.). Examples of the higher fatty acid include linear fatty acids such as oleic acid, linoleic acid, and linolenic acid, and branched fatty acids such as isostearic acid and isopalmitic acid. Isostearic acid is particularly preferably used.

[0071] The blending amount of (E) higher fatty acid is preferably 0.01 to 3 mass%, more preferably 0.05 to 2 mass%, further preferably 0.1 to 1.5 mass%, and particularly preferably 0.2 to 1 mass%. By blending (D) higher fatty acid at 0.01 mass% or more, the sheet can be made to adhere better to the skin without being sticky. Also, by blending at 3 mass% or less, the skin can be made not to feel sticky after peeling off the sheet.

[0072] When the (E) higher fatty acid is isostearic acid, the mass ratio of isostearic acid to (A) hydrophobically modified polyether urethane is preferably 0.3 to 1.6. When the mass ratio of isostearic acid to (A) hydrophobically modified polyether urethane is 0.3 or more, the sheet adheres better to the skin and is less sticky after peeling. When the mass ratio is 1.6 or less, the sheet is less sticky after peeling.

[0073] (F) Diglycerin The base of the present invention may contain (F) diglycerin, which is a polyhydric alcohol having three or more hydroxyl groups in one molecule, in an amount of 0.2 to 4% by mass based on the total amount of the base. By containing (F) diglycerin in an amount of 0.2 to 4% by mass based on the total amount of the base, the sheet can adhere better to the skin and be less sticky after being peeled off.

[0074] (G) Kinematic viscosity at 25°C is 50mm 2 Dimethicone / s or higher The base of the present invention has a kinetic viscosity of 50 mm at 25° C. 2The base may contain 2 to 5% by mass of dimethicone having a molecular weight of 100 to 1500 mg / s or more based on the total amount of the base. By making the blending amount of component (G) within the range of 2 to 5% by mass based on the total amount of the base, the sheet can adhere better to the skin and be less sticky after peeling off.

[0075] The sheet-like cosmetic of the present invention is obtained by impregnating a nonwoven fabric with the above-mentioned base. The nonwoven fabric to be impregnated is not particularly limited, but may be a single layer or a laminate of single fibers or mixed fibers selected from natural fibers, regenerated fibers, and synthetic fibers. For example, preferred examples include single fibers or mixed fibers selected from cellulose fibers (cotton, pulp, lyocell, cupra, rayon, acetate, etc.), acrylic fibers, polyester fibers, polyolefin fibers such as polyethylene and polypropylene, polyurethane fibers, and polyamide fibers. In particular, mixed fibers of polyester fibers and cellulose fibers are preferred, and mixed fibers of cotton, pulp, and polyethylene terephthalate are more preferred.

[0076] The thickness of the sheet is not particularly limited and can be appropriately selected depending on the purpose. When the sheet is a nonwoven fabric, the thickness is preferably 0.1 to 10 mm, more preferably 0.1 to 5 mm. The basis weight is 10 to 100 g / m 2 is preferable, and 30 to 80 g / m 2 More preferably, the weight is 10 g / m 2 If it is more than 100g / m, it will not break during use and 2 By keeping the above amount, it is possible to suppress the increase in costs.

[0077] The shape of the sheet is not particularly limited, and examples thereof include a square, a rectangle, an ellipse, a circle, a heart, a semicircle, a semi-ellipse, a trapezoid, a face shape, and the like. In the sheet-type cosmetic of the present invention, the base can be impregnated into the sheet by a known method, such as a dropping method, a spraying method, a pressurizing method, or a dipping method. One or more sheets are used as is or folded, and the base is impregnated into the sheet. The amount of the base impregnated into the nonwoven fabric is not particularly limited, but is appropriately adjusted according to the characteristics of the nonwoven fabric and the base, and the amount of impregnation is preferably 1.5 to 25 times the mass of the nonwoven fabric.

[0078] It is preferable that the sheet impregnated with the base is immediately enclosed in an airtight container, and it is more preferable to seal it in an airtight bag that does not transmit light, such as an aluminum laminate package or a package whose inside is coated with polyethylene terephthalate (PET).

[0079] In addition to the above-mentioned components (A) to (G), the base to be impregnated into the sheet-form cosmetic preparation of the present invention may contain, as necessary, components typically used in cosmetics and topical skin preparations such as pharmaceuticals, for example, aqueous components, oily components, powders, etc.

[0080] Examples of aqueous components include water and water-soluble components. Examples of water-soluble components include lower alcohols, moisturizers, water-soluble polymers (natural, semi-synthetic, synthetic, inorganic), etc. Note that water-soluble polymers refer to those that are not intended for thickening.

[0081] Examples of the lower alcohol include ethanol, propanol, butanol, pentanol, and hexanol.

[0082] Examples of moisturizing agents include glycerin, diethylene glycol, butylene glycol, polyethylene glycol, hexylene glycol, xylitol, sorbitol, maltitol, chondroitin sulfate, hyaluronic acid, mucoitin sulfate, caronic acid, atelocollagen, elastin, amino acids, nucleic acids, cholesteryl-12-hydroxystearate, sodium lactate, bile salts, dl-pyrrolidone carboxylate, short-chain soluble collagen, diglycerol (EO)PO adduct, Rosa rosa extract, Chrysanthemum vulgare extract, and Melilot extract.

[0083] Examples of natural water-soluble polymers include plant-based water-soluble polymers such as gum arabic, tragacanth gum, galactan, guar gum, locust bean gum, tamarind gum, carob gum, karaya gum, carrageenan, pectin, agar, quince seed, algae colloid (cassow extract), starch (rice, corn, potato, wheat), and glycyrrhizic acid; microbial water-soluble polymers such as xanthan gum, dextran, succinoglycan, and pullulan; and animal-based water-soluble polymers such as collagen, casein, albumin, and gelatin.

[0084] Examples of semi-synthetic water-soluble polymers include starch-based water-soluble polymers such as carboxymethyl starch and methylhydroxypropyl starch; cellulose-based water-soluble polymers such as methyl cellulose, nitrocellulose, ethyl cellulose, methylhydroxypropyl cellulose, hydroxyethyl cellulose, sodium cellulose sulfate, hydroxypropyl cellulose, carboxymethyl cellulose (CMC), crystalline cellulose, and cellulose powder; and alginic acid-based water-soluble polymers such as sodium alginate and propylene glycol alginate.

[0085] Examples of synthetic water-soluble polymers include vinyl-based water-soluble polymers such as polyvinyl alcohol, polyvinyl methyl ether, and polyvinylpyrrolidone; polyoxyethylene-based water-soluble polymers such as polyethylene glycol 20,000, 4,000,000, and 600,000; copolymer-based water-soluble polymers such as polyoxyethylene-polyoxypropylene copolymers; acrylic-based water-soluble polymers such as sodium polyacrylate, polyethyl acrylate, and polyacrylamide, as well as polyethyleneimine and cationic polymers.

[0086] Examples of inorganic water-soluble polymers include bentonite, AlMg silicate (veegum), laponite, hectorite, and silicic anhydride.

[0087] As the powder component, either hydrophobic or hydrophilic powder can be used. In addition, not only the powder itself can be hydrophobic or hydrophilic, but also the surface of the powder can be treated to be hydrophobic or hydrophilic.

[0088] Examples of powder components include talc, kaolin, mica, sericite, white mica, gold mica, synthetic mica, red mica, black mica, lithia mica, 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 soap (zinc myristate, calcium palmitate, aluminum stearate, etc.), polyamide resin powder (nylon powder), polyethylene powder, polymethyl methacrylate powder, polystyrene powder, styrene and acrylic acid copolymer resin powder, benzoguanamine resin powder, and polytetrafluoroethylene powder. inorganic black pigments such as black iron oxide, carbon black, and low-level titanium dioxide; inorganic purple pigments such as mango violet and Baltic violet; inorganic green pigments such as chromium oxide, chromium hydroxide, and cobalt titanate; inorganic blue pigments such as ultramarine and Prussian blue; pearl pigments such as titanium dioxide-coated mica, titanium dioxide-coated bismuth oxychloride, titanium dioxide-coated talc, colored titanium dioxide-coated mica, bismuth oxychloride, and fish scale foil; and metal powder pigments such as aluminum powder and copper powder.

[0089] The method for hydrophobizing these powder components may be any method capable of imparting water repellency, and the method is not limited, but may be, for example, a typical surface treatment method such as a gas phase method, a liquid phase method, an autoclave method, a mechanochemical method, etc. The hydrophobizing agent is not particularly limited, but may be, for example, fatty acid dextrin-treated powder, trimethylsiloxysilicate-treated powder, fluorine-modified trimethylsiloxysilicate-treated powder, methylphenylsiloxysilicate-treated powder, fluorine-modified methylphenylsiloxysilicate-treated powder, dimethylpolysiloxane, diphenylpolysiloxane, methylphenylpolysiloxane, or other low-viscosity to high-viscosity oily polysiloxane-treated powder, gum-like polysiloxane-treated powder, methylhydrogenpolysiloxane-treated powder, fluorine-modified methylhydrogenpolysiloxane-treated powder, methyltrichlorosilane, methyltrialkoxysilane, hexamethyldisilane, Examples of the powder include powders treated with organic silyl compounds such as dimethyldichlorosilane, dimethyldialkoxysilane, trimethylchlorosilane, trimethylalkoxysilane, or fluorine-substituted products thereof; powders treated with organic modified silanes such as ethyltrichlorosilane, ethyltrialkoxysilane, propyltrichlorosilane, propyltrialkoxysilane, hexyltrichlorosilane, hexyltrialkoxysilane, long-chain alkyltrichlorosilane, long-chain alkyltriethoxysilane, or fluorine-substituted products thereof; powders treated with amino-modified polysiloxanes, powders treated with fluorine-modified polysiloxanes, and powders treated with alkyl fluoride phosphates.

[0090] The oily component to be blended into the base of the sheet-form cosmetic preparation of the present invention is not particularly limited as long as it is an oily component that can be typically blended into cosmetics, and examples thereof include fats and oils, waxes, hydrocarbon oils, higher alcohols, synthetic ester oils, silicone oils, etc.

[0091] Examples of fats and oils include liquid fats and oils such as avocado oil, camellia oil, evening primrose oil, turtle oil, macadamia nut oil, corn oil, mink oil, olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, linseed oil, safflower oil, cottonseed oil, perilla oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil, Chinese tung oil, Japanese tung oil, jojoba oil, germ oil, triglycerin, glycerin trioctanoate, and glycerin triisopalmitate; and solid fats and oils such as cacao butter, coconut oil, horse tallow, hardened coconut oil, palm oil, beef tallow, mutton tallow, hardened beef tallow, palm kernel oil, lard, beef bone fat, Japan wax kernel oil, hardened oil, beef leg fat, Japan wax, and hardened castor oil.

[0092] Examples of waxes include beeswax, candelilla wax, cotton wax, carnauba wax, bayberry wax, ivory wax, whale wax, montan wax, bran wax, lanolin, kapok wax, lanolin acetate, liquid lanolin, sugarcane wax, lanolin fatty acid isopropyl, hexyl laurate, reduced lanolin, jojoba wax, hard lanolin, shellac wax, POE lanolin alcohol ether, POE lanolin alcohol acetate, POE cholesterol ether, lanolin fatty acid polyethylene glycol, and POE hydrogenated lanolin alcohol ether.

[0093] Examples of the hydrocarbon oil include liquid paraffin, ozokerite, squalene, pristane, paraffin, ceresin, squalene, petrolatum, and microcrystalline wax.

[0094] Examples of higher alcohols include straight-chain alcohols such as lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, and cetostearyl alcohol; and branched-chain alcohols such as monostearyl glycerin ether (batyl alcohol), 2-decyltetradecinol, lanolin alcohol, cholesterol, phytosterol, hexyldodecanol, isostearyl alcohol, and octyldodecanol.

[0095] Synthetic ester oils include isopropyl myristate, cetyl octanoate, octyldodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, hexyldecyl dimethyloctanoate, cetyl lactate, myristyl lactate, lanolin acetate, isocetyl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearate, ethylene glycol di-2-ethylhexylate, dipentaerythritol fatty acid ester, N-alkyl glycol monoisostearate, neopentyl glycol dicaprate, diisostearyl malate, glycerin di-2-heptylundecanoate, trimethylolpropane tri-2-ethylhexylate, trimethylolpropane triisostearate, and pentane tetra-2-ethylhexylate. Erythritol, tri-2-ethylhexyl glycerin, triisostearate, trimethylolpropane, cetyl 2-ethylhexanoate, 2-ethylhexyl palmitate, trimyristate glycerin, tri-2-heptylundecanoate glyceride, castor oil fatty acid methyl ester, oleic acid oil, acetoglyceride, palmitic acid 2-heptylundecyl, diisobutyl adipate, N-lauroyl-L-glutamic acid-2-octyldodecyl ester, adipic acid di-2-heptylundecyl, ethyl laurate, sebacate di-2-ethylhexyl, myristate 2-hexyldecyl, palmitic acid 2-hexyldecyl, adipate di-isopropyl, sebacate di-2-ethylhexyl, succinic acid 2-ethylhexyl, ethyl acetate, butyl acetate, amyl acetate, triethyl citrate, crotamiton (C 13 H 17 Examples include NO.

[0096] Examples of silicone oils include chain polysiloxanes such as dimethylpolysiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane other than (F); cyclic polysiloxanes such as decamethylpolysiloxane, dodecamethylpolysiloxane, and tetramethyltetrahydrogenpolysiloxane; silicone resins and silicone rubbers that form a three-dimensional network structure.

[0097] The emulsifier is one or more selected from glycerin or polyglycerin fatty acid esters, propylene glycol fatty acid esters, POE sorbitan fatty acid esters, POE sorbit fatty acid esters, POE fatty acid esters, POE alkyl ethers, POE alkyl phenyl ethers, POE-POP alkyl ethers, POE beeswax-lanolin derivatives, alkanolamides, POE propylene glycol fatty acid esters, POE alkyl amines, and POE fatty acid amides.

[0098] Examples of ingredients that can be added other than the above-listed ingredients include preservatives (ethylparaben, butylparaben, etc.); anti-inflammatory agents (for example, glycyrrhizic acid derivatives, glycyrrhetinic acid derivatives, salicylic acid derivatives, hinokitiol, zinc oxide, allantoin, etc.); whitening agents other than (B) (for example, saxifrage extract, arbutin, etc.); various extracts (for example, Phellodendron bark, Coptis japonica, Lithospermum root, Peony root, Swertia japonica, Birch, Sage, Loquat, Carrot, Aloe, Mallow, Iris, Grape, Coix seed, Loofah, Lily, Saffron, Cnidium rhizome, Angelica acutiloba, Hypericum perforatum, Ononis, Garlic, Capsicum annuum, Citrus chinensis, Angelica acutiloba, Seaweed, etc.), activators (for example, Lo jelly, photosensitizers, cholesterol derivatives, etc.); blood circulation promoters (e.g., nonylic acid valenylamide, nicotinic acid benzyl ester, nicotinic acid β-butoxyethyl ester, capsaicin, zingerone, cantharides tincture, ichthammol, tannic acid, α-borneol, tocopherol nicotinate, inositol hexanicotinate, cyclandelate, cinnarizine, tolazoline, acetylcholine, verapamil, cepharanthine, γ-oryzanol, etc.); antioxidants (tocopherol acetate, etc.); antiseborrheic agents (e.g., sulfur, thianthol, etc.); anti-inflammatory agents (e.g., tranexamic acid, thiotaurine, hypotaurine, etc.); ultraviolet absorbing agents, etc., but are not limited to these examples. EXAMPLES

[0099] The present invention will be described in more detail below with reference to examples, but the present invention is not limited thereto. All blend amounts are in mass % unless otherwise specified.

[0100] Examples and Comparative Examples Bases were prepared according to the formulations shown in Tables 1 to 3 below, and the static and dynamic viscosities of the prepared bases were measured under the following conditions. The bases were also made of nonwoven fabric (a blend of cotton, pulp, and polyethylene terephthalate fibers, with a basis weight of 70 g / m 2 The sheet-type cosmetic preparations were then impregnated with 14.5 times the amount of the cosmetic agent (14.5 times the amount of the cosmetic agent impregnated), and the usability was evaluated according to the following criteria.

[0101] (Standing viscosity) The viscosity of the prepared base was measured at a shear rate of 0.05 [1 / s] in an atmosphere of 25°C using an MCR300 (manufactured by Anton-Paar) as a rheometer.

[0102] (Kinematic viscosity) The prepared base was measured using a VISCOMETER TVB-15 (manufactured by Toki Sangyo Co., Ltd.) with rotors No. 2, No. 3, and No. 4 at a rotation speed of 12 rpm for 1 minute.

[0103] (No dripping when applying the sheet) The prepared sheet-type cosmetic materials were used by 10 expert panelists, who evaluated the lack of dripping when applying the sheet. The evaluation criteria were as follows: <Evaluation score> 5 points: very good 4 points: Good 3 points: Average 2 points: Defective 1 point: Very poor <Evaluation criteria> A+: Average score is 4.5 or higher A: Average score is between 3.5 and 4.5 points B: Average score is between 2.5 and 3.5 points C: Average score is less than 2.5 points

[0104] (Sheet adhesion) The sheet-type cosmetic product thus prepared was used by 10 expert panelists for 10 minutes, and the sheet's adhesion was evaluated. The evaluation criteria were as follows: <Evaluation score> 5 points: very good 4 points: Good 3 points: Average 2 points: Defective 1 point: Very poor <Evaluation criteria> A+: Average score is 4.5 or higher A: Average score is between 3.5 and 4.5 points B: Average score is between 2.5 and 3.5 points C: Average score is less than 2.5 points

[0105] (The chewy texture after removing the sheet) The sheet-type cosmetic product thus prepared was used by 10 expert panelists for 10 minutes, and the bouncy feeling after removing the sheet was evaluated. The evaluation criteria were as follows: <Evaluation score> 5 points: very good 4 points: Good 3 points: Average 2 points: Defective 1 point: Very poor <Evaluation criteria> A+: Average score is 4.5 or higher A: Average score is between 3.5 and 4.5 points B: Average score is between 2.5 and 3.5 points C: Average score is less than 2.5 points

[0106] (No stickiness after removing the sheet) The prepared sheet-type cosmetic preparations were used by 10 expert panelists for 10 minutes, and the sheet was then peeled off and evaluated for non-stickiness. The evaluation criteria were as follows: <Evaluation score> 5 points: very good 4 points: Good 3 points: Average 2 points: Defective 1 point: Very poor <Evaluation criteria> A+: Average score is 4.5 or higher A: Average score is between 3.5 and 4.5 points B: Average score is between 2.5 and 3.5 points C: Average score is less than 2.5 points

[0107] The formulations and evaluation results are shown in Tables 1 to 3. The commercial names of the main components shown in the tables are listed below. (PEG-240 / Decyltetradeceth-20 / HDI) copolymer: Adekanol GT-700 (manufactured by ADEKA Corporation), purity 99.95% by mass Carbomer: Carbopol 980 (manufactured by Nikko Chemicals Co., Ltd.) PEG-20 glyceryl isostearate: Emalex GWIS-120 (manufactured by Nippon Emulsion Co., Ltd.) PEG-60 hydrogenated castor oil: Nikkol HCO-60 (manufactured by Nikko Chemicals Co., Ltd.) Dimethicone*1: Silicone KF-96A-6T (Shin-Etsu Silicone Co., Ltd.) Dimethicone*2: Methylpolysiloxane 100CS (dynamic viscosity 100mm at 25℃) 2 / s) Isostearic acid: Isostearic acid SX (Kyushu Alcohol Kogyo Co., Ltd.)

[0108] [Table 1]

[0109] [Table 2]

[0110] [Table 3]

[0111] The sheet-type cosmetic preparations of Examples 1 and 2 shown in Table 1 did not drip when applied to the skin, had good sheet adhesion, and had an excellent bouncy feel after the sheet was peeled off. On the other hand, the sheet-type cosmetic preparations of Comparative Examples 1 and 2, which did not contain (A) hydrophobically modified polyether urethane, showed significant dripping when applied to the skin, and did not provide adhesion or a bouncy feel after the sheet was peeled off. Examples 3 and 4 contain ascorbic acid glucoside as a salt-type whitening agent, but like Examples 1 and 2, did not drip when applied to the skin, had good sheet adhesion, and had an excellent bouncy feel after the sheet was peeled off. On the other hand, the sheet-type cosmetic preparation of Comparative Example 3, which did not contain (A) hydrophobically modified polyether urethane, showed significant dripping when applied to the skin, and did not provide adhesion or a bouncy feel after the sheet was peeled off.

[0112] Examples 5 to 8 shown in Table 2 are examples in which isostearic acid was further added to the formulation of Example 1, and Examples 9 and 10 are examples in which the amount of (A) hydrophobically modified polyether urethane was reduced, but all of them did not drip when applied to the skin, had an excellent bouncy feeling after peeling off the sheet, and did not feel sticky after peeling off despite the high adhesion of the sheet. In addition, since the static viscosity was high but the kinetic viscosity was low, it was possible to make the skin not sticky after peeling off the sheet.

[0113] In Table 3, Example 11 is an example in which the amount of the activator was reduced, Examples 12 and 13 are examples in which polyoxyethylene hydrogenated castor oil was added, and Example 14 is an example in which the kinetic viscosity was 50 mm 2 Example 13 is an example where dimethicone of 100% or more was added, Example 15 is an example where diglycerin was added, and Example 16 is an example where dipropylene glycol was added. These also did not drip when applied to the skin, had an excellent bouncy feeling after the sheet was removed, and did not feel sticky after being peeled off despite the high adhesion of the sheet.

Claims

1. at least, (A) a hydrophobically modified polyether urethane; (B) a salt-type whitening agent; (E) isostearic acid, A sheet-like cosmetic preparation comprising a nonwoven fabric impregnated with a base comprising: A sheet-form cosmetic preparation, in which the mass ratio of (E) isostearic acid to (A) hydrophobically modified polyether urethane is 0.3 to 1.

6.

2. 2. The sheet-form cosmetic according to claim 1, wherein the salt-type whitening agent (B) is 4-methoxysalicylic acid potassium salt or ascorbic acid glucoside.

3. 3. The sheet-form cosmetic according to claim 1, wherein a mass ratio of said hydrophobically modified polyether urethane (A) to said salt-type whitening agent (B) is 0.2 to 1.

4. The sheet-form cosmetic material according to claim 1, 2 or 3, further comprising (C) a carboxyvinyl polymer.

5. The sheet-form cosmetic material according to any one of claims 1 to 4, further comprising (D) at least one of polyoxyethylene fatty acid glyceryl and polyoxyethylene hydrogenated castor oil.

6. 6. The sheet-form cosmetic material according to any one of claims 1 to 5, wherein the hydrophobically modified polyether urethane (A) is a (PEG-240 / decyltetradeceth-20 / HDI) copolymer.

7. 6. The sheet-form cosmetic material according to claim 5, wherein the polyoxyethylene fatty acid glyceryl (D) is PEG-20 glyceryl (mono)isostearate.

8. 6. The sheet-form cosmetic material according to claim 5, wherein the polyoxyethylene hydrogenated castor oil (D) is PEG 60 hydrogenated castor oil.

9. The sheet-form cosmetic according to any one of claims 1 to 8, further comprising (F) diglycerin in an amount of 0.2 to 4% by mass relative to the total amount of the base.

10. Furthermore, (G) the kinetic viscosity at 25°C is 50 mm 2 10. The sheet-form cosmetic according to claim 1, comprising 2 to 5 mass% of dimethicone with a molecular weight of 1 to 50% by mass based on the total amount of the base.

11. The sheet-like cosmetic material according to any one of claims 1 to 10, wherein the nonwoven fabric contains polyester-based fibers and cellulosic fibers.

Images