JP2023031166A - Sheet cosmetic - Google Patents

Abstract

To provide a sheet cosmetic which has less stickiness on the skin after use in spite of blending a relatively large amount of a humectant and can impart an excellent moisture feeling and smoothness.SOLUTION: There is provided a sheet cosmetic which comprises a sheet base material and a cosmetic composition impregnated in the sheet base material, wherein the cosmetic composition comprises a component (A): biosaccharide gum, a component (B): a polyoxyalkylene methyl glucoside in which a polymerization degree of oxyalkylene is 5 to 30, a component (C): a humectant other than the component (B) and a component (D) water, the content ratio of the component (A) in the cosmetic composition is 0.001 to 0.1 mass%, the content ratio of the component (B) is 0.3 to 5.0 mass% and the content ratio of the component (C) is 15 to 50 mass%.SELECTED DRAWING: None

Description

The present invention relates to sheet cosmetics.

A sheet cosmetic is known as a cosmetic that imparts moisture and a moisturizing feeling to the skin and the like. Sheet cosmetics are sheet-shaped cosmetics obtained by impregnating a sheet base material made of a woven fabric or a nonwoven fabric with a cosmetic composition (see Patent Documents 1 and 2).

In particular, sheet cosmetics for the face (so-called face masks, sheet masks, etc.) are, for example, lotions having functions such as moisturizing, improving rough skin, and whitening on a sheet base material molded to fit the shape of the face. , milky lotion, or beauty essence.

Japanese Unexamined Patent Application Publication No. 2014-43428 JP 2011-105665 A

In recent years, the functions required for facial sheet cosmetics have diversified. There is also a demand for sheet cosmetics that can impart smoothness with less skin irritation.

Accordingly, it is an object of the present invention to provide a cosmetic sheet that is less sticky to the skin after use and imparts excellent moisturizing and smoothness to the skin despite the fact that it contains a relatively large amount of moisturizing agent. be.

As a result of intensive studies to achieve the above object, the inventors of the present invention have found a sheet cosmetic comprising a sheet substrate and a cosmetic composition impregnated in the sheet substrate, wherein the cosmetic composition comprises: Component A: biosaccharide gum, component B: polyoxyalkylene methyl glucoside having an oxyalkylene polymerization degree of 5 to 30, component C: a moisturizing agent other than component B, and component D: water, in the cosmetic composition The content of component A is 0.001 to 0.1% by mass, the content of component B is 0.3 to 5.0% by mass, and the content of component C is 15 to 50% by mass. According to the present invention, it has been found that cosmetics can impart excellent moisturizing feeling and smoothness with little stickiness on the skin after use despite the fact that they contain a relatively large amount of moisturizing agent. rice field.

That is, the present invention
[1] A sheet cosmetic comprising a sheet base material and a cosmetic composition impregnated in the sheet base material,
The cosmetic composition contains the following component A, the following component B, the following component C, and the following component D, and the content of the component A in the cosmetic composition is 0.001 to 0.1% by mass. A cosmetic sheet, wherein the content of Component B is 0.3 to 5.0% by mass and the content of Component C is 15 to 50% by mass.
Component A: Biosaccharide gum Component B: Polyoxyalkylene methyl glucoside having an oxyalkylene polymerization degree of 5 to 30 Component C: Humectant other than Component B Component D: Water [2] The above cosmetic composition further contains the following It relates to the sheet cosmetic according to [1], which contains component E, and the content of component E in the cosmetic composition is 0.05 to 3.0% by mass.
Component E: Carboxyvinyl polymer and/or alkyl-modified carboxyvinyl polymer

According to the sheet cosmetic of the present invention, although a relatively large amount of moisturizing agent is blended, the skin is less sticky after use, and excellent moisturizing and smoothness can be imparted.

The sheet cosmetic of the present invention includes a sheet substrate and a cosmetic composition impregnated into the sheet substrate. In addition, in this specification, the said cosmetic composition which comprises the sheet cosmetics of this invention may be called "the cosmetics composition of this invention." The sheet cosmetic of the present invention may contain components other than the sheet base material and the cosmetic composition impregnated in the sheet base material.

<Cosmetic composition>
The cosmetic composition of the present invention comprises a biosaccharide gum, a polyoxyalkylenemethylglucoside having an oxyalkylene polymerization degree of 5 to 30, a moisturizer other than a polyoxyalkylenemethylglucoside having an oxyalkylene polymerization degree of 5 to 30, and Contains at least water. In the present specification, biosaccharide gum is "component A", polyoxyalkylene methyl glucoside having an oxyalkylene polymerization degree of 5 to 30 is "component B", and polyoxyalkylene having an oxyalkylene polymerization degree of 5 to 30 is used. Moisturizers other than methyl glucoside are sometimes referred to as "component C" and water as "component D".

The cosmetic composition of the present invention preferably further contains a carboxyvinyl polymer and/or an alkyl-modified carboxyvinyl polymer. In addition, in this specification, the carboxyvinyl polymer and/or the alkyl-modified carboxyvinyl polymer may be referred to as "component E".

That is, the cosmetic composition of the present invention contains at least component A, component B, component C, and component D. The cosmetic composition of the present invention preferably further contains component E. The cosmetic composition of the present invention may contain ingredients other than the above ingredients A to E. In addition, each component contained in the cosmetic composition of the present invention, for example, each component such as component A, component B, component C, component D, component E, and other components, is used only one kind. may be used, or two or more may be used.

[Component A]
Component A is a biosaccharide gum. By including component A, it is possible to suppress the stickiness of the skin after use of the sheet cosmetic of the present invention, and furthermore to provide the sensation of a smooth thin film being formed on the skin surface after use, i.e., excellent smoothness. can do. Only one kind of component A may be used, or two or more kinds thereof may be used.

Examples of component A include biosaccharide gum-1, biosaccharide gum-2, and biosaccharide gum-4. Commercially available products of component A include, for example, trade name "FUCOGEL 1.5P (biosaccharide gum-1)" (manufactured by Soravia), trade name "RHAMNOSOFT HP 1.5P (biosaccharide gum-2)" (Soravia). ), trade name “Glycofilm 1.5P (biosaccharide gum-4)” (manufactured by Soravia), and the like.

The content of component A in the cosmetic composition of the present invention is 0.001 to 0.1% by mass, preferably 0.005 to 0.05% by mass. When the content is 0.001% by mass or more, the stickiness of the skin after use can be suppressed, and further excellent smoothness can be imparted. If the content exceeds 0.1% by mass, the skin feels sticky and taut after use. The content of component A is the total content of all components A in the cosmetic composition of the present invention.

[Component B]
Component B is a polyoxyalkylene methyl glucoside having an oxyalkylene degree of polymerization of 5-30. By including component B, stickiness of the skin after use of the cosmetic sheet of the present invention can be suppressed, and excellent smoothness and excellent moisturizing feeling can be imparted to the skin. Component B may be used alone or in combination of two or more.

The degree of polymerization of oxyalkylene in component B is 5-30, preferably 5-20. When the degree of polymerization is 5 or more, stickiness of the skin after use can be suppressed, and excellent smoothness can be imparted. When the degree of polymerization exceeds 30, the skin feels taut after use. Moreover, the alkylene constituting the oxyalkylene in component B is preferably ethylene or propylene.

Examples of component B include polyoxypropylene methyl glucoside and polyoxyethylene methyl glucoside. Commercially available products of component B include, for example, the trade name "Macbiobride MG-10P (polyoxypropylene methyl glucoside having an oxyalkylene polymerization degree of 10)" (manufactured by NOF Corporation), the trade name "Macbiobride MG." -20P (polyoxypropylene methyl glucoside with an oxyalkylene polymerization degree of 20)” (manufactured by NOF Corporation), trade name “Macbiobride MG-10E (polyoxyethylene methyl glucoside with an oxyalkylene polymerization degree of 10)” ” (manufactured by NOF Corporation), trade name “Macbiobride MG-20E (polyoxyethylene methyl glucoside having a degree of polymerization of oxyalkylene of 20)” (manufactured by NOF Corporation), and the like.

The content of component B in the cosmetic composition of the present invention is 0.3 to 5.0% by mass, preferably 0.5 to 3.0% by mass, more preferably 0.7 to 2.0% by mass. % by mass. When the content is 0.3% by mass or more, the stickiness of the skin after use can be suppressed, and further excellent smoothness can be imparted. If the content exceeds 5.0% by mass, the skin feels taut after use. The content of component B is the total content of all components B in the cosmetic composition of the present invention.

[Component C]
Component C is a moisturizing agent other than Component B. By containing component C, it is possible to impart an excellent moisturizing feeling to the skin after use of the sheet cosmetic of the present invention. Component C may be used alone or in combination of two or more.

As component C, at least one selected from known or commonly used polyhydric alcohols and saccharides used as moisturizing agents in cosmetic raw materials can be used. Specific examples of component C include glycerin, concentrated glycerin, diglycerin, polyglycerin, ethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, 1,3-butylene glycol, 1,2-pentanediol, 1, Polyhydric alcohols such as 2-hexanediol and 1,2-octanediol, sugars such as glucose, maltose, maltitol, sucrose, mannitol, sorbitol, trehalose, erythritol, arabitol, ribitol, xylitol and galactitol.

As Component C, one or more moisturizing agents selected from the group consisting of dipropylene glycol, 1,3-butylene glycol, propylene glycol and polyethylene glycol (“Component C1” and may be called) is preferred. In addition, as component C, one or more moisturizing agents selected from the group consisting of glycerin, concentrated glycerin, diglycerin, and polyglycerin (“component C2” and may be called) is preferred.

As the polyethylene glycol, polyethylene glycol having a number average molecular weight of 200 to 3,000 is preferable, and polyethylene glycol having a number average molecular weight of 250 to 2,000 is more preferable. When the number average molecular weight is within the above range, the stickiness of the skin after use can be further suppressed.

The content of Component C in the cosmetic composition of the present invention is 15.0-50.0% by mass, preferably 25.0-40.0% by mass. When the content is 15.0% by mass or more, an excellent moisturizing feeling can be imparted to the skin after use. When the content is 50.0% by mass or less, stickiness of the skin after use can be suppressed. The above content of component C is the total content of all components C in the cosmetic composition of the present invention.

The content of component C1 in the cosmetic composition of the present invention is not particularly limited, but is preferably 10.0 to 45.0% by mass, more preferably 15.0 to 35.0% by mass. When the content is 10.0% by mass or more, it is possible to impart a higher moisturizing feeling to the skin after use. When the content is 45.0% by mass or less, the stickiness of the skin after use can be further suppressed.

[Component D]
Component D is water, and although not particularly limited, purified water is preferred. The content of Component D in the cosmetic composition of the present invention is not particularly limited, but is preferably 40.0 to 84.0% by mass.

[Component E]
Component E is a carboxyvinyl polymer and/or an alkyl-modified carboxyvinyl polymer. That is, component E is either or both of a carboxyvinyl polymer and an alkyl-modified carboxyvinyl polymer. Component E may be used alone or in combination of two or more.

When component E is included, it is possible to prevent the cosmetic composition from dripping from the sheet substrate during use of the cosmetic sheet of the present invention. In addition, the feeling of a film being formed on the skin after use can be imparted, and a higher moisturizing sensation can be imparted.

Carboxyvinyl polymer is mainly a polymer of acrylic acid, and alkyl-modified carboxyvinyl polymer is mainly a copolymer of acrylic acid and alkyl methacrylate (for example, having 10 to 30 carbon atoms (C10 to C30)). say something Examples of the carboxyvinyl polymer include, but are not particularly limited to, compounds with the INCI name of "CARBOMER". Examples of the alkyl-modified carboxyvinyl polymer include, but are not particularly limited to, compounds with the INCI name of "ACRYLATES/C10-30 ALKYL ACRYLATE CROSSPOLYMER ((Acrylates/alkyl acrylate (C10-30)) crosspolymer)". .

Commercially available products of the carboxyvinyl polymer include, for example, the trade name “Carbopol 934 Polymer,” the trade name “Carbopol 940 Polymer,” the trade name “Carbopol 941 Polymer,” the trade name “Carbopol 980 Polymer,” and the trade name “Carbopol 981 Polymer.” ”, trade name “Carbopol 1342 Polymer”, trade name “Carbopol 2984 Polymer”, trade name “Carbopol Ultraz 10 Polymer”, trade name “Carbopol ETD 2050 Polymer” (manufactured by Lubrizol Advanced Materials Co., Ltd.), trade name “HAQUPEC -501", trade name "AQUPEC HV-504", trade name "AQUPEC HV-505" (manufactured by Sumitomo Seika Co., Ltd.), trade name "HIVIS Wako 104", trade name "HIVIS Wako 105" (above, manufactured by FUJIFILM Wako Pure Chemical Industries, Ltd.) and the like.

Commercially available products of the alkyl-modified carboxyvinyl polymer include, for example, trade name “PEMULEN TR-1”, trade name “PEMULEN TR-2”, trade name “Carbopol ETD 2020 Polymer”, trade name “Carbopol ULTREZ 20 Polymer”, Trade name "Carbopol ULTREZ 21 Polymer", trade name "Carbopol SC-200 Polymer" (manufactured by Lubrizol Advanced Materials) and the like.

Component E is not particularly limited, but may be neutralized with a basic substance, or may be used after being neutralized with a basic substance. Examples of the basic substance include alkanolamines such as triethanolamine and monoethanolamine, ammonia, inorganic bases such as sodium hydroxide and potassium hydroxide, and basic amino acids such as arginine. Further, the amount of the basic substance to be added is an amount that becomes a sufficiently neutralized component E or an amount sufficient to neutralize the component E, and the types of the component E and the basic substance, It may be appropriately blended according to the amount of component E used.

The content of component E in the cosmetic composition of the present invention is not particularly limited, but is preferably 0.05 to 3.0% by mass, more preferably 0% by mass, based on 100% by mass of the cosmetic composition of the present invention. .1 to 2.0% by mass, more preferably 0.1 to 0.5% by mass. When the content is 0.05% by mass or more, dripping of the cosmetic composition from the sheet substrate during use of the cosmetic sheet of the present invention can be further suppressed. In addition, it is possible to impart a higher moisturizing feeling. When the content is 3.0% by mass or less, the feeling of tightness on the skin after use is suppressed. The content of component E is the total content of all components E in the cosmetic composition of the present invention.

[Other ingredients]
The cosmetic composition of the present invention may contain components (other components) other than the components A to E as long as the objects of the present invention are not impaired. The other ingredients are not particularly limited, and include, for example, ingredients commonly used in cosmetics and quasi-drugs. Specifically, for example, lower alcohols such as ethanol; oily components such as oils and fats, higher alcohols, ester oils, vegetable oils, hydrocarbon oils; surfactants; hydroxymethylcellulose, hydroxyethylcellulose, hydroxypropylmethylcellulose, polysaccharide thickeners, etc. Anti-inflammatory agents such as glycyrrhizic acid and its salts; cooling agents such as menthol; phosphoric acid and its salts, citric acid and its salts, lactic acid and Salts thereof, pH adjusters such as sodium hydroxide and triethanolamine; fragrances; UV absorbers; antioxidants; sequestering agents (chelating agents); Vitamins; Amino acids; Astringents; Whitening agents; Animal and plant extracts; Acids;

<Sheet base material>
The sheet substrate in the sheet cosmetic of the present invention is a sheet-like support that can be impregnated with the cosmetic composition of the present invention.

Examples of the sheet base material include, but are not limited to, paper, woven fabric, and nonwoven fabric. The sheet base material may be a laminate (that is, a laminate sheet), and may be, for example, a laminate of woven fabrics, a laminate of nonwoven fabrics, a laminate of woven fabrics and nonwoven fabrics, and the like. The sheet base material is preferably a sheet base material containing a non-woven fabric, more preferably a non-woven fabric, from the viewpoints of usability, ease of processing, and the like. Examples of the nonwoven fabrics include spunbond nonwoven fabrics, spunlace nonwoven fabrics, thermal bonded nonwoven fabrics, needle punch nonwoven fabrics, stitchbond nonwoven fabrics, and the like.

The fibers constituting the woven fabric and non-woven fabric are not particularly limited, but include, for example, natural fibers, synthetic fibers, and semi-natural fibers. Examples of the natural fibers include cotton, pulp, silk, cellulose, hemp, linter, and kapok. Examples of the synthetic fibers include nylon fibers, polyester fibers (eg, polyethylene terephthalate fibers, polybutylene terephthalate fibers, etc.), acrylic fibers, polyolefin fibers (eg, polypropylene fibers, polyethylene fibers, etc.). Examples of the semi-natural fibers include rayon and acetate. Only one type of the fibers may be used, or two or more types may be used. A blended fiber composed of two or more of the above fibers may also be used.

The sheet base material may be embossed. The embossing treatment is not particularly limited, but for example, a method of pushing up the back surface to float (therefore, the back surface is dented), or a method of forming convex portions by applying special ink to the surface (the back surface is not dented). etc.

Although the basis weight of the sheet base material is not particularly limited, it is preferably 10 to 100 g/m ² , more preferably 20 to 80 g/m ² . When the basis weight is 10 g/m ² or more, the cosmetic composition can be sufficiently impregnated. When the basis weight is 100 g/m ² or less, the feel of adhesion to the skin during use is particularly excellent.

The sheet base material can be manufactured by a known or commonly used manufacturing method depending on the type of woven fabric, non-woven fabric, or the like. Moreover, the said sheet|seat base material can also use a commercial item. Commercially available products are not particularly limited, but for example, trade name “RH”, trade name “AS” (manufactured by Daiwabo Polytech Co., Ltd.), trade name “TCF” (manufactured by Futamura Chemical Co., Ltd.), trade name “Cotto” Ace” (manufactured by Unitika Ltd.), trade name “Kuraflex” (manufactured by Kuraray Co., Ltd.), trade name “Bemliese” (manufactured by Asahi Kasei Corp.), trade name “Sunmore” (manufactured by Sansho Shigyo Co., Ltd.), etc. mentioned.

<Sheet cosmetics>
The mass ratio (impregnation amount) of the cosmetic composition of the present invention impregnated in the sheet cosmetic of the present invention is not particularly limited, but from the viewpoint of wettability and adhesion of the sheet, 100 parts by mass of the sheet base material. is preferably 800 to 2000 parts by mass, more preferably 1000 to 1800 parts by mass.

The sheet cosmetic of the present invention has a sheet shape. As a result, it is easy to use and has excellent portability. The planar shape of the sheet is not particularly limited. and the like. The sheet cosmetic of the present invention may be formed with notches, cutouts, irregularities, and the like. In particular, when the cosmetic sheet of the present invention is a cosmetic sheet for the face, the cosmetic sheet has a substantially circular or substantially elliptical shape with cuts or hollows provided in regions corresponding to the eyes, nose and mouth. There may be. The area of one side of the sheet of the cosmetic sheet of the present invention is not particularly limited, but is preferably 5 to 600 cm ² , more preferably 10 to 500 cm ² in terms of usability, portability and packaging properties.

The sheet cosmetic of the present invention can be produced by impregnating the sheet base material with the cosmetic composition of the present invention. The method for impregnating the sheet substrate with the cosmetic composition of the present invention is not particularly limited. For example, the cosmetic composition of the present invention is injected into the folded and/or stacked sheet substrate. a method of spraying the sheet substrate with the cosmetic composition of the present invention, a method of impregnating the sheet substrate with the cosmetic composition of the present invention using a printing method, and a cosmetic composition of the present invention. A method of immersing the above-mentioned sheet base material in an object can be used.

The cosmetic composition of the present invention is not particularly limited, and can be produced by a known or commonly used method. For example, each component to be blended in the cosmetic composition can be mixed and stirred with a homomixer, paddle mixer, or the like to produce the composition.

<Sheet cosmetics>
The sheet cosmetic of the present invention is preferably housed in a container (packaging container) to form a sheet cosmetic product from the viewpoint of portability when going out and handleability during use. The sheet cosmetic product of the present invention includes at least a container and the sheet cosmetic of the present invention housed in the container.
The sheet cosmetic of the present invention is preferably individually wrapped for each sheet from the viewpoint of antiseptic properties, uniformity of impregnation amount, etc., but from the viewpoint of production cost, production efficiency, etc. The sheet cosmetics of the invention may be housed in the same container.

When a plurality of sheets of the cosmetic sheet of the present invention are stored in the same container, the number of sheets of the cosmetic sheet of the present invention stored in one container is not particularly limited, but is preferably two or more, and more preferably. The number is 5 or more, more preferably 10 or more, still more preferably 20 or more. According to this configuration, there is an advantage that it does not take up a lot of space when being carried, is excellent in portability, and can be taken out and used many times. The upper limit of the number of sheet cosmetics accommodated in one container is preferably 50 sheets or less because of its excellent portability.

In the sheet cosmetic product of the present invention, the sheet cosmetic is preferably folded in two, three, four, or the like and stored in the packaging container.

Examples of the container include bags (packaging bags) and box-like containers. The container is preferably one capable of suppressing volatilization of the cosmetic composition of the present invention. The material of the container is not particularly limited, but examples thereof include resins such as polyethylene terephthalate (PET), polyethylene (PE), and polypropylene (PP); metals such as aluminum. As the container, since it is lightweight and has an excellent volatilization prevention effect, a packaging container (especially a packaging bag) made of a material in which a metal (especially aluminum) layer and a resin layer are laminated (for example, laminated or vapor deposition). is preferred.

Although the use of the sheet cosmetic and sheet cosmetic product of the present invention is not particularly limited, it is preferably a skin cosmetic, and more specifically, for example, a skin care cosmetic. Examples of the skin care cosmetics include moisturizing cosmetics, whitening cosmetics, acne care cosmetics, and anti-aging cosmetics (cosmetics for suppressing wrinkles, sagging, etc.). The sheet cosmetics and sheet cosmetic products of the present invention may be any of cosmetics, quasi-drugs, pharmaceuticals, miscellaneous goods, and the like.

The part to which the sheet cosmetic of the present invention is applied is not particularly limited, but for example, the face (for example, forehead, eyes, corners of the eyes, cheeks, lips, etc.), arms, elbows, backs of hands, fingertips, feet, knees, heels, Examples include the neck, armpits, and back. Among them, the sheet cosmetic of the present invention is less sticky to the skin after use, and is suitable for use as a sheet cosmetic for the face (so-called face mask, sheet mask, etc.) from the viewpoint of imparting excellent moisturizing feeling and smoothness. ) is preferred. The sheet cosmetic of the present invention can be preferably used as a facial sheet cosmetic covering the entire face.

The method of using the sheet cosmetic of the present invention includes, for example, a method of attaching it to a desired site on the skin surface, and a method of wiping a desired site of the skin to apply the cosmetic composition of the present invention impregnated into a sheet base material to the skin. Examples include a coating method and the like. Among them, the sheet cosmetic of the present invention is preferably applied to a desired site on the surface of the skin from the viewpoint that the sheet cosmetic of the present invention is less sticky on the skin after use and can impart excellent moisturizing feeling and smoothness. That is, the sheet cosmetic of the present invention is preferably a sheet cosmetic for application (so-called pack cosmetic) used in an application method, and more preferably applied to the face (particularly the entire face). sheet cosmetics (so-called face masks, sheet masks, etc.). The sheet cosmetic for application to the face is used by adhering the sheet cosmetic on the face so as to be in close contact therewith. The time for applying the sheet cosmetic of the present invention to the face is preferably, for example, 5 to 20 minutes, depending on the dryness of the skin. After use of the sheet cosmetic of the present invention, the sheet cosmetic is peeled off and blended by hand, so that the feeling of less stickiness and moderate film formation can be obtained, and the skin feels moisturized and moderately smooth. You can get it. After using the sheet cosmetic of the present invention, it may or may not be washed off, but from the viewpoint of maintaining moisturizing feeling and moderate smoothness, it is preferable not to wash off.

In the sheet cosmetic of the present invention, a sheet base material is impregnated with a cosmetic composition, and the cosmetic composition is a composition containing water (component D) as a medium, comprising biosaccharide gum (component A), biosaccharide gum (component A), By using a combination of a specific polyoxyalkylene methyl glucoside (component B) and a moisturizer (component C) other than component B in a specific ratio, the skin after use can be It is less sticky on the skin, and can impart excellent moisturizing and smoothness. If a large amount of component C is blended without blending components A and B, stickiness on the skin after use cannot be suppressed. Also, excellent smoothness cannot be imparted.

EXAMPLES The present invention will be described in more detail below based on examples, but the present invention is not limited only to these examples. The compounding amounts shown in the table are the compounding amounts of each component (that is, the compounding amount of the active ingredient in each raw material; so-called pure content), and are expressed in "% by mass" unless otherwise specified. Potassium hydroxide was added so that the cosmetic composition had a pH of 6.7.

Examples and Comparative Examples According to the compositions shown in Table 1, cosmetic compositions of Examples and Comparative Examples were prepared by a conventional method.
Next, a sheet base material (spunlaced nonwoven fabric, constituent fiber: blended fiber of pulp/rayon/polyethylene terephthalate fiber, shape: substantially elliptical, weight per unit area: 60 g/m ² , area: about 400 cm ² ) was folded into four. After that, it was placed in a packaging bag (length of about 10 cm x width of about 15 cm). By injecting each cosmetic composition into the packaging bag, the sheet base material in the packaging bag was impregnated with each cosmetic composition to prepare each sheet cosmetic of Examples and Comparative Examples. In each of the above examples and comparative examples, about 1100 parts by mass of each cosmetic composition was impregnated into 100 parts by mass of the sheet base material.

The details of each component described in the table are as follows.

<Component A>
Biosaccharide gum-1: trade name “FUCOGEL 1.5P” (manufactured by Soravia)

Biosaccharide gum-2: trade name “RHAMNOSOFT HP 1.5P” (manufactured by Soravia)
Biosaccharide gum-4: trade name “Glycofilm 1.5P” (manufactured by Soravia)
<Component B>
Polyoxypropylene methyl glucoside: trade name “Macbiobride MG-10P” (manufactured by NOF Corporation), degree of polymerization of polyoxyalkylene: 10
Polyoxyethylene methyl glucoside: trade name “Macbiobride MG-20E” (manufactured by NOF Corporation), degree of polymerization of polyoxyalkylene: 20
<Component C>
Polyethylene glycol: trade name “PEG#1500” (manufactured by NOF Corporation), number average molecular weight: 1500
<Component E>
Alkyl-modified carboxyvinyl polymer: trade name "PEMLEN TR-1" (manufactured by Lubrizol Advanced Materials), acrylic acid/methacrylate alkyl copolymer

(evaluation)
The sheet cosmetics obtained in Examples and Comparative Examples were evaluated as follows. The evaluation results are shown in the table.

Each sheet cosmetic obtained in each example and each comparative example was applied to the back of the hand. Next, after each sheet cosmetic was applied to the back of the hand for 3 minutes, each sheet cosmetic was peeled off, and the cosmetic composition adhering to the back of the hand was spread by hand. Immediately after applying the cosmetic composition, "non-stickiness" was evaluated according to the following criteria, and 10 minutes later, "smoothness" and "moisturizing feeling" were evaluated according to the following criteria. In addition, the following evaluation was carried out by three professional evaluators.
[Evaluation criteria for non-stickiness]
A (excellent): Almost no stickiness is felt B (good): Feels a little sticky, but practically acceptable C (poor): Too sticky and uncomfortable [evaluation criteria for smoothness]
A (excellent): There is a feeling that a smooth thin film is formed on the skin surface B (good): It is inferior to A, but there is a feeling that a smooth thin film is formed C (poor): A smooth thin film is felt None [Evaluation criteria for moisturizing feeling]
A (Excellent): Sufficiently moist and moisturizing B (Good): Slightly moist and moisturizing C (Poor): No moisturizing

Furthermore, formulation examples of the sheet cosmetic of the present invention are shown below.

[Prescription Examples 1 to 6: Sheet mask]
100 parts by mass of the sheet base material was impregnated with 1100 parts by mass of the cosmetic compositions 1 to 6 shown in Table 2, and Formulation Examples 1 to 6 were obtained, respectively. Formulation Examples 1 to 3 are sheet substrate 1 (spunlace nonwoven fabric, constituent fiber: blended fiber of pulp/rayon/polyethylene terephthalate fiber, shape: substantially elliptical, basis weight: 60 g/m ² , area: about 400 cm ² ). Formulation Examples 4 to 6 are sheet base material 2 (spunlaced nonwoven fabric, constituent fiber: regenerated cellulose/rayon/high-density polyethylene fiber/polypropylene fiber blended fiber, shape: substantially elliptical, basis weight: 35 g/m ² , area : about 400 cm ² ) was used.

Claims (2)

A sheet cosmetic comprising a sheet base material and a cosmetic composition impregnated in the sheet base material,
The cosmetic composition contains the following component A, the following component B, the following component C, and the following component D, and the content of the component A in the cosmetic composition is 0.001 to 0.1% by mass. A cosmetic sheet, wherein the content of Component B is 0.3 to 5.0% by mass, and the content of Component C is 15 to 50% by mass.
Component A: Biosaccharide gum Component B: Polyoxyalkylene methyl glucoside having an oxyalkylene polymerization degree of 5 to 30 Component C: Humectant other than Component B Component D: Water The cosmetic sheet according to claim 1, wherein the cosmetic composition further contains component E below, and the content of component E in the cosmetic composition is 0.05 to 3.0% by mass.
Component E: Carboxyvinyl polymer and/or alkyl-modified carboxyvinyl polymer