JP2021167292A - Cleansing cosmetics - Google Patents

Abstract

To provide cleansing cosmetics that give a refreshing feel when applying a cleanser to the skin to agree with it or spread over, and has a high massaging effect during use and also has high cleansing power.SOLUTION: Cleansing cosmetics contain following components (A)-(F): (A) oil solution, (B1) a nonionic surfactant with an HLB of 2 or more and less than 8, (B2) a nonionic surfactant with an HLB of 8 or more and 15 or less, (C) carrageenan, (D) an acrylic acid-alkyl methacrylic acid copolymer, (E) a polyhydric alcohol, and (F) water, the component (A) containing silicone oil, the content of the component (A) being 10 mass% or more.SELECTED DRAWING: None

Description

The present invention relates to cleansing cosmetics.

Cleansing cosmetics are cosmetics for removing makeup stains such as foundations containing oils and pigments. So far, various types of cleansing fees have been put on the market. Cleansing cosmetics are intended to ensure the removal of makeup stains from the skin, and also to promote blood circulation as well as to remove makeup, so that the user draws an arc on the skin several times. A so-called massage may be performed to apply the material to the skin. Since the gel-like cleansing agent has high viscosity, there is little dripping from the skin like the liquid dosage form, and the cosmetic tends to stay on the skin, so it can be said that it is a suitable dosage form for massage. ..

For example, Patent Document 1 discloses an aqueous gel-based detergent composition containing a specific surfactant, a polyhydric alcohol, and a water-soluble polymer. With such a configuration, it is said that a cleansing cosmetic having excellent massage properties can be obtained.

Further, Patent Document 2 contains (alkyl-modified) carboxyvinyl polymer, liquid oil agent 3 to 20% by mass, nonionic surfactant 1.5 to 15% by mass, polyhydric alcohol 38 to 70% by mass, and water. A skin cleanser is disclosed, and it is said that good massage and cleansing properties can be obtained.

Japanese Unexamined Patent Publication No. 8-283123 Japanese Unexamined Patent Publication No. 2010-280597

Since the water-based gel-like detergent composition disclosed in Patent Document 1 contains a small amount of oil-based components, its cleansing power for cosmetics containing a large amount of oil-based components is not higher than that of oil-based cleansing agents.

Further, the gel-like cleansing agent disclosed in Patent Document 2 has room for improvement in the massage property after applying the cosmetic to the skin.

Furthermore, although consumers who use gel-like cleansing cosmetics often prefer a refreshing feel, none of the cleansing agents disclosed in the above patent documents lacks freshness and spread. ..

Therefore, an object of the present invention is to provide a cleansing cosmetic that feels fresh when the cleansing agent is spread or applied to the skin, has excellent massage properties during use, and has high cleansing power. With the goal.

In the present invention, the following components (A) to (F); (A) oil agent, (B1) nonionic surfactant having an HLB of 2 or more and less than 8, and (B2) nonionic surfactant having an HLB of 8 or more and 15 or less. Contains surfactant, (C) carrageenan, (D) acrylic acid / alkyl methacrylate copolymer, (E) polyhydric alcohol and (F) water, component (A) contains silicone oil, and component ( A cleansing cosmetic having a content of 10% by mass or more.

According to the cleansing cosmetics of the present invention, when the cleansing cosmetics are applied to the skin and spread out, the skin feels fresh, and the cleansing cosmetics are spread out and have excellent massage properties when applied to the skin. It is a cleansing cosmetic with high cleansing power.

Hereinafter, embodiments of the present invention will be described. The present invention is not limited to the following embodiments. In the present specification, "X to Y" indicating a range includes X and Y and means "X or more and Y or less". Unless otherwise specified, operations and physical properties are measured under the conditions of room temperature (20 to 25 ° C.) / relative humidity of 45 to 55% RH.

In addition, cleansing cosmetics may be simply referred to as cleansing agents.

(Ingredient (A): oil agent)
The oil agent includes silicone oil. In the absence of silicone oil, it is difficult to feel the freshness when the cleansing agent is spread on the skin. This is because the presence of the silicone oil causes the acrylic acid / alkyl methacrylate copolymer of the component (D) to meet and exist in the oil phase, and the acrylic acid / alkyl methacrylate copolymer of the component (D) is present. It is considered that this is because it is suppressed that the polymer contributes to emulsification and cannot exert its original function. Further, by blending silicone oil, it is possible to prevent the appearance from becoming cloudy.

Examples of the silicone oil include organopolysiloxanes such as dimethylpolysiloxane (dimethicone), methylhydrogenpolysiloxane, methyltrimethicone, methylphenylpolysiloxane, and dimethylsiloxane / methylphenylsiloxane copolymer; octamethylcyclotetrasiloxane and decamethyl. Cyclopentasiloxane, dodecamethylcyclohexasiloxane, tetramethyltetrahydrogencyclotetrasiloxane, tetramethyltetraphenylcyclotetrasiloxane, tetramethyltetratrifluoropropylcyclotetrasiloxane, pentamethylpentatrifluoropropylcyclopentasiloxane, diphenylsiloxyphenyl Cyclic siloxanes such as trimeticon; modified organopolysiloxanes such as polyether-modified dimethylpolysiloxane, oleyl-modified dimethylpolysiloxane, polyvinylpyrrolidone-modified dimethylpolysiloxane, and alkyl-modified dimethylpolysiloxane. From the viewpoint of massageability, the silicone oil is preferably a silicone oil having a kinematic viscosity of 1 to 1000 cs at 25 ° C., and more preferably a silicone oil having a kinematic viscosity of 1 to 100 cs. Further, since the effects of the present invention are further exhibited, dimethylpolysiloxane, methylphenylpolysiloxane, and decamethylcyclopentasiloxane are preferable, and dimethylpolysiloxane is particularly preferable.

The silicone oil may be used alone or in combination of two or more.

The blending amount of the silicone oil in the cleansing agent is preferably 1% by mass or more, and more preferably 3% by mass or more. Within this range, a fresh spread can be obtained satisfactorily. Further, the blending amount of the silicone oil in the cleansing agent is preferably 40% by mass or less, more preferably 30% by mass or less, and more preferably 25% by mass or less from the viewpoint of fresh spread and spread and massage property. It is even more preferable, and it is particularly preferable that it is less than 10% by mass.

The content of the silicone oil in the oil is not particularly limited, but may be, for example, 10 to 100% by mass and 20 to 50% by mass.

The component (A) is preferably a combination of an ester oil and a silicone oil. Combining both is preferable because the massage property and cleansing property are further improved.

Examples of the ester oil include glyceryl tri2-ethylhexanoate, isotridecyl isononanoate, isononyl isononanoate, cetyl 2-ethylhexanoate, isopropyl myristate, isopropyl palmitate, -2-ethylhexyl palmitate, octyldodecyl myristate, and trioctanoic acid. Glyceryl, tri (capril capric acid) glyceryl, glyceryl diisostearate, glyceryl triisostearate, decaglyceryl decaisostearate (polyglyceryl decisostearate-10), propylene glycol dicaprate, neopentyl glycol dicaprate, polyglyceryl triisostearate, Diisostearyl malate, neopentyl glycol diethylhexanoate, polyglyceryl-10 decaisostearate, pentaerythrit tetraisostearate, pentaerythrit tetra2-ethylhexanoate (pentaerythrityl tetraethylhexanoate), dipenta pentaisostearate Erytrit, Hexa (hydroxystearic acid / stearic acid / logonic acid) dipentaerythrityl, dialkyl carbonate, tritridecyl trimeritoate, bisethoxydiglycol cyclohexane-1,4-dicarboxylate, dimer dilinoleyl hydrogenated rosin condensate, monosteare Acid-hardened castor oil, cetyl palmitate, polyethylene glycol distearate, glyceryl tribechenate and other fatty acid ester oils; 2-ethylhexyl paramethoxysilicate, ethylhexyl salicylate and the like.

The ester oil is preferably a fatty acid ester oil because the effects of the present invention are further exhibited. At this time, the fatty acid-derived portion of the fatty acid ester oil preferably has 4 to 24 carbon atoms, and more preferably 6 to 18 carbon atoms. Among the fatty acid ester oils used in combination with the silicone oil, isotridecyl isononanoate, propylene glycol dicaprate, isononyl isononanoate, cetyl 2-ethylhexanoate, and isopropyl myristate are particularly preferable.

The ester oil may be used alone or in combination of two or more.

The content mass ratio of the silicone oil and the ester oil is not particularly limited, but is preferably silicone oil: ester oil = 1: 0.5 to 1:10, preferably 1: 1.5 to 5. More preferably. Within this range, the massage and cleansing properties are further improved.

As the component (A), other oils other than the above silicone oil and ester oil may be used. Other oils include hydrocarbon oils such as isododecane, isohexadecane, light isoparaffin, liquid paraffin, squalane, squalane, α-olefin oligomer, polybutene, liquid isoparaffin, heavy liquid isoparaffin, polyisobutylene, hydrogenated polyisobutene; oleic acid. , Isostearic acid, myristic acid, palmitic acid, isopalmitic acid, lauric acid, stearic acid, behenic acid and other fatty acids; oleyl alcohol, 2-octyldodecanol, 2-decyltetradecanol, isostearyl alcohol, 2-hexyldecanol, etc. Higher alcohols; Fluorine-based oils such as perfluoropolyether, perfluorodecane, and perfluorooctane; Liquid oils such as fragrances; Oils in Oil agent can be mentioned.

The content of the component (A) is 10% by mass or more with respect to the cleansing agent. When the component (A) is less than 10% by mass, the cleansing property against stains that are difficult to remove with water-based components such as make-up cosmetics is lowered, and it is difficult to obtain a fresh spread and spread, and it is blended into the skin. It lacks lightness. The content of the component (A) is more preferably 12% by mass or more because the above effects are further exhibited. Further, the blending amount of the component (A) is preferably 40% by mass or less, more preferably 30% by mass or less, considering the stability of the dosage form, from the viewpoint of fresh spread and spread and massage property. Is even more preferably 25% by mass or less.

((B1) Nonionic surfactant having an HLB of 2 or more and less than 8; (B2) Nonionic surfactant having an HLB of 8 or more and 15 or less)
In the present embodiment, as the nonionic surfactant, a nonionic surfactant having a component (B1) HLB of 2 or more and less than 8 and a nonionic surfactant having a component (B2) HLB of 8 or more and 15 or less are combined. To be used. The nonionic surfactant is sometimes blended as an emulsifier for an oil agent in order to impart cleansing power, but in the system of the present invention, the component (B1) and the component (B2) may be used in combination. Therefore, the cleansing property is remarkably improved.

The component (B1) is preferably a nonionic surfactant having a glyceryl group. Examples of the nonionic surfactant having a glyceryl group include alkyl glyceryl ether, glycerin fatty acid ester, polyglycerin fatty acid ester, polyoxyethylene glyceryl ether fatty acid ester, polyoxyethylene hydrogenated castor oil and polyoxyethylene cured castor oil fatty acid. Examples include ester. The HLB can be controlled, for example, by the chain length of the polyoxyethylene chain.

Among these, as the component (B1), a fatty acid ester having a glyceryl group such as an alkylene glycol adduct of a glycerin fatty acid ester or a polyglycerin fatty acid ester is more preferable, and a polyglycerin fatty acid ester is even more preferable. ..

The polyglycerin fatty acid ester is not particularly limited, but for example, diglyceryl monostearate, diglyceryl monooleate, diglyceryl monoisostearate, tetraglyceryl monostearate, tetraglyceryl monooleate, hexaglyceryl monolaurate, mono. Polyglycerin fatty acid monoesters such as hexaglyceryl myristate, hexaglyceryl monostearate, hexaglyceryl monooleate, decaglyceryl monolaurate, decaglyceryl monomyristate, decaglyceryl monostearate, decaglyceryl monooleate; Polyglycerin fatty acid diesters such as glyceryl, decaglyceryl distearate, decaglyceryl diisostearate; polyglycerin fatty acid triesters such as tetraglyceryl tristearate, hexaglyceryl tristearate, decaglyceryl tristearate, decaglyceryl trioleate; penta Examples thereof include polyglycerin fatty acid pentaesters such as tetraglyceryl stearate, tetraglyceryl pentaoleate, hexaglyceryl pentastearate, and hexaglyceryl pentaoleate.

The average degree of polymerization of polyglycerin in the above polyglycerin fatty acid ester is preferably 2 to 5.

Specific examples of the component (B1) include PEG-3 glyceryl triisostearate (HLB value: 2), PEG-5 glyceryl triisostearate (HLB value: 3), and PEG-10 glyceryl triisostearate (HLB value: 5). ), alkylene glycol adducts of glycerin fatty acid esters such as PEG-10 glyceryl diisostearate (HLB value: 7); polyglyceryl-2 triisostearate (HLB value: 3), polyglyceryl diisostearate-2 (HLB value: 4), Examples thereof include polyglycerin fatty acid esters such as polyglyceryl-3 diisostearate (HLB value: 5).

The HLB of the component (B1) is 2 or more and less than 8. Since the effects of the present invention are further exhibited, the HLB of the component (B1) is more preferably 2 or more and 7 or less, and even more preferably 3 or more and 6 or less.

HLB (hydrophilic-lipophilic balance) indicates the molecular weight of the hydrophilic group portion of the total molecular weight of the surfactant, and for nonionic surfactants, Griffin. It is calculated by the formula of.

Further, the component (B1) may be used alone or in combination of two or more.

The content of the component (B1) is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, from the viewpoint of cleansing property. Further, the content of the component (B1) is preferably 5% by mass or less, more preferably 2% by mass or less, from the viewpoint of fresh spread and spread and lightness when blended with the skin. It is particularly preferably 1% by mass or less.

The component (B2) has a polyoxyalkylene chain, and may have a glycerin skeleton, a sorbitan skeleton, and a sorbit skeleton as hydrophilic groups other than the polyoxyalkylene chain, and has a lipophilic structure. Examples thereof include fatty acids and polymers having a siloxane skeleton. Of these, it is preferable that the component (B2) is a nonionic surfactant having a glyceryl group (having a glycerin skeleton). The HLB can be controlled mainly by the chain length of the polyoxyethylene chain.

Specific examples of the component (B2) include alkylene glycol adduct of glycerin fatty acid ester; polyglycerin fatty acid ester; alkylene glycol adduct of propylene glycol fatty acid ester; coconut oil fatty acid polyoxyethylene sorbitan, and polyoxyethylene monooleate. Alkylene glycol adducts of sorbitan fatty acid esters such as sorbitan, polyoxyethylene sorbitan trioleate, polyoxyethylene sorbitan monostearate, polyoxyethylene sorbitan tristearate, polyoxyethylene sorbitan monoisostearate; polyoxyethylene sorbit monolaurate , Polyoxyethylene sorbit tetrastearate, Polyoxyethylene sorbit tetraoleate and other sorbit fatty acid esters alkylene glycol adducts; polyether-modified silicones; sugar fatty acid esters; polyoxyethylene hydrogenated castor oil; polyalkylene glycol fatty acid esters; poly Examples thereof include oxyalkylene alkyl ether; glycerin alkyl ether; polyoxyethylene alkyl phenyl ether; alkylene glycol adduct of lanolin, and one or more selected from these can be used.

Among these, the component (B2) is more preferably a fatty acid ester having a glyceryl group such as an alkylene glycol adduct of a glycerin fatty acid ester or a polyglycerin fatty acid ester, and is an alkylene glycol adduct of a glycerin fatty acid ester. Is even more preferable.

Specific examples of the glycerin fatty acid ester constituting the alkylene glycol adduct of the glycerin fatty acid ester include glyceryl monolaurate, glyceryl monomyristate, glyceryl monopalmitate, glyceryl monostearate, glyceryl distearate, and glyceryl tristearate. Examples thereof include glycerin fatty acid esters such as glyceryl trioleate, glyceryl monoisostearate, glyceryl diisostearate, glyceryl triisostearate, and glyceryl monococonut oil fatty acid.

The alkylene glycol in the alkylene glycol adduct of the glycerin fatty acid ester is preferably polyoxyethylene glycol. That is, the alkylene glycol adduct of the glycerin fatty acid ester is preferably a polyoxyethylene glycerin fatty acid ester. At this time, the average number of moles of alkylene glycol added is appropriately set so that the HLB is 8 or more and 15 or less, and is, for example, 5 to 20.

Specific examples of the alkylene glycol adduct of the glycerin fatty acid ester include PEG-9 glyceryl laurate (HLB: 12), PEG-5 glyceryl stearate (HLB: 8), and PEG stearate under the labeling name of cosmetics. -10 glyceryl (HLB: 11), PEG-15 glyceryl stearate (HLB: 12), PEG-20 glyceryl stearate (HLB: 14), PEG-30 glyceryl stearate (HLB: 15.0), trioleic acid PEG-20 glyceryl (HLB: 8), PEG-30 glyceryl trioleate (HLB: 10), PEG-40 glyceryl trioleate (HLB: 11), PEG-50 glyceryl trioleate (HLB: 12), trio PEG-60 glyceryl laine (HLB: 13), PEG-5 glyceryl isostearate (HLB: 8.0), PEG-6 glyceryl isostearate (HLB: 8), PEG-8 glyceryl isostearate (HLB: 10), PEG-10 glyceryl isostearate (HLB: 10), PEG-15 glyceryl isostearate (HLB12), PEG-20 glyceryl isostearate (HLB: 13), PEG-30 glyceryl isostearate (HLB: 15), PEG-diisostearate 20 glyceryl (HLB: 10), PEG-30 glyceryl diisostearate (HLB12), PEG-60 glyceryl diisostearate (HLB: 14), PEG-20 glyceryl triisostearate (HLB: 8), PEG-30 glyceryl triisostearate (HLB: 10), PEG-40 glyceryl triisostearate (HLB: 11), PEG-50 glyceryl triisostearate (HLB: 12), PEG-60 glyceryl triisostearate (HLB: 13), PEG-60 diisostearate Glyceryl (HLB: 14), coconut oil fatty acid PEG-7 glyceryl (HLB: 13) and the like can be mentioned.

Examples of polyglycerin fatty acid esters include polyglyceryl stearate-3, polyglyceryl stearate-4, polyglyceryl stearate-6, polyglyceryl stearate-10, polyglyceryl distearate-10, polyglyceryl diisostearate-10, polyglyceryl oleate-10, and isostearic acid. Polyglyceryl acid-10 and the like can be mentioned.

The HLB of the component (B2) is 8 or more and 15 or less. Since the effects of the present invention are further exhibited, the HLB of the component (B2) is more preferably 9 or more and 14 or less, and more preferably 10 or more and 15 or less.

Further, the component (B2) may be used alone or in combination of two or more. The form in which two or more kinds are used in combination is a preferable form, and the form in which two kinds are used in combination is a more preferable form. When two types of components (B2) are combined, a form in which a component (b1) having an HLB of 8 or more and 12 or less and a component (b2) having an HLB of more than 12 and 15 or less are used in combination also further expands and spreads freshly. It is a preferable form because it can be obtained. At this time, the content mass ratio of the component (b1) and the component (b2) is, for example, component (b1): component (b2) = 1: 0.1 to 10, and 1: 0.5 to 5. Is more preferable.

The content of the component (B2) is preferably 10% by mass or more in the cleansing agent from the viewpoint of cleansing property. The content of the component (B2) is more preferably 15% by mass or more from the viewpoint of massage property and cleansing property. In addition, the content of the component (B2) is preferably 40% by mass or less, more preferably 30% by mass or less in the cleansing agent, and it has a fresh spread and lightness when it is applied to the skin. From the viewpoint of the above, it is even more preferably 25% by mass or less.

As described above, since the effects of the present invention are further exhibited, a preferred form of the present invention is a nonionic surfactant in which the component (B1) and the component (B2) have a glyceryl group. Furthermore, a more preferred form of the present invention is a fatty acid ester in which component (B1) and component (B2) have a glyceryl group.

The content-mass ratio of the component (B1) and the component (B2) is appropriately set so that the effect of the present invention is exhibited. For example, the component (B1): the component (B2) = 1: 3 to 1:50. It is 1: 5 to 1:30.

(Ingredient (C): Carrageenan)
By blending the component (C) in combination with the component (D) in the system of the present invention, the system is thickened and the massage property is improved. This is because when used in combination with the component (D), the structure formed by the polymers is appropriately retained while being destroyed when it is applied to the skin, thereby ensuring the massage property. Conceivable. In addition, by blending the component (C), a fresh feel can be obtained when the component (C) is stretched and spread.

Carrageenan is a polysaccharide extracted from red algae and has a structure in which D-galactose alternately repeats α-1,3 bond or β-1,4 bond. Carrageenan is classified into three types, ι, λ, and κ, depending on the number of sulfate groups and the presence or absence of anhydro bonds. In the present invention, any of ι (iota), λ (lambda), and κ (copper) type carrageenan can be used.

Commercial examples of carrageenan include Iota-type carrageenan, GENUVISCO (registered trademark) JJ (manufactured by Sansho), GENUVISCO (registered trademark) PJ-JPE (manufactured by Sansho), and kappa-type carrageenan, GENUGEL. (Registered trademark) WG-108 (manufactured by Sansho Co., Ltd.), GENUVISCO (registered trademark) CSW-2 (manufactured by Sansho Co., Ltd.), lambda type carrageenan, GENUVISCO (registered trademark) CSM-2 (manufactured by Sansho Co., Ltd.), etc. Can be mentioned. Considering the synergistic effect with the component (D), ι (iota) -carrageenan is preferable.

Carrageenan (component (C)) may be used alone or in combination of two or more.

The content of the component (C) in the cleansing agent is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, and even more preferably 0.3% by mass or more. It is preferable, and it is particularly preferable that it is 0.35% by mass or more from the viewpoint of fresh spread and spread and lightness when it is applied to the skin. Further, the content of the component (C) in the cleansing agent is preferably 3% by mass or less, more preferably 2% by mass or less, still more preferably 1% by mass or less, and the elongation is fresh. From the viewpoint of spreading and lightness when applied to the skin, 0.8% by mass or less is particularly preferable.

(Component (D): Acrylic acid / alkyl methacrylate copolymer (alkyl-modified carboxyvinyl polymer))
The acrylic acid / alkyl methacrylate copolymer is a copolymer of acrylic acid and alkyl methacrylate. It may have a crosslinked structure, and the bonding mode such as block bonding or random bonding is not limited. Examples of the acrylic acid / alkyl methacrylate copolymer include a copolymer of acrylic acid and alkyl methacrylate having 10 to 30 carbon atoms (INCI name: (Acrylate / alkyl acrylate (C10-30)) crosspolymer). Is. As acrylic acid / alkyl methacrylate copolymers, PEMULEN (registered trademark) TR-1, PEMULEN (registered trademark) TR-2, Carbopol (registered trademark) ETD2020, Carbopol (registered trademark) 1382 (above, Lubrizol Advanced Materials). Commercially available products such as (manufactured by the company) can be used.

The component (D) may be used alone or in combination of two or more.

Acrylic acid / alkyl methacrylate copolymer usually exerts a thickening effect by being present as a salt by neutralization with a base. Examples of the base include alkali metal hydroxides such as sodium and potassium; ammonium; ammonium derived from alkanolamines such as monoethanolamine, diethanolamine, triethanolamine and tromethamine; and basic amino acids such as arginine and lysine. Alkali metal hydroxides such as potassium are preferable, and potassium hydroxide and sodium hydroxide are more preferable. The amount of the base added is already known in the art, and is appropriately set according to the content of the component (D). Further, the base may be added to the component (D) in advance and then mixed with another component, or the base may be added after the component (D) and the other component are mixed.

The content of the component (D) in the cleansing agent is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, and even more preferably 0.3% by mass or more. It is preferable, and it is particularly preferable that it is 0.35% by mass or more from the viewpoint of fresh spread and spread and lightness when it is applied to the skin. Further, the content of the component (D) in the cleansing agent is preferably 3% by mass or less, more preferably 2% by mass or less, still more preferably 1% by mass or less, and the elongation is fresh. From the viewpoint of spreading and lightness when applied to the skin, 0.8% by mass or less is particularly preferable.

The content mass ratio ((C) / (D)) of the component (C) to the component (D) is preferably 0.5 to 2. When the content mass ratio ((C) / (D)) of the component (C) to the component (D) is in such a range, the fresh spread and spread and the lightness when blended with the skin are further improved. ..

(Ingredient (E): polyhydric alcohol)
The polyhydric alcohol is an essential ingredient for imparting the massage property of the cleansing agent of the present invention.

Examples of polyhydric alcohols include glycerin, diglycerin, polyglycerin, ethylene glycol, diethylene glycol, triethylene glycol, tripropylene glycol, propylene glycol, 1,3-propanediol, dipropylene glycol, 1,3-butylene glycol, and the like. Examples thereof include polyethylene glycol, sorbitol, xylitol, polyethylene glycol monoethyl ether, diethylene glycol monoethyl ether, ethylene glycol dimethyl ether, 1,2-pentanediol, hexylene glycol, 1,2-hexanediol, martitol, and glucosyltrehalose.

Among them, since the effect is further exhibited, the component (E) is preferably a divalent to tetravalent alcohol having 3 to 6 carbon atoms, and is preferably glycerin, dipropylene glycol, or 1,3-butylene. It is more preferably glycol.

The component (E) may be used alone or in combination of two or more. In particular, the combination of glycerin and 1,3-butylene glycol as the polyhydric alcohol is a suitable form.

By blending a polyhydric alcohol, the transparency of the appearance can be controlled. In a preferred embodiment of the present invention, the appearance of the cleansing agent is transparent or translucent. By making it transparent or translucent, you can feel the removal of makeup stains by massage. With compositions containing oils, it is generally difficult to make the appearance transparent. As described above, the cleansing agent of the present invention contains silicone oil as the oil agent of the component (A), but by further combining with a polyhydric alcohol, the cleansing agent of the present invention has a transparent or translucent appearance. can do.

The blending amount of the component (E) is preferably 10 to 35% by mass, more preferably 20 to 35% by mass, and 25 to 32% by mass in the cleansing agent from the viewpoint of fresh spread and spread and massage property. % Is particularly preferable.

(Ingredient (F): water)
The water is used as a dispersion medium and is not particularly limited, and examples thereof include purified water, distilled water, ion-exchanged water, tap water, hot spring water, and deep ocean water.

The content of the component (F) is not particularly limited, but is preferably 10 to 60% by mass, more preferably 15 to 40% by mass in the cleansing agent. When it is at least the above lower limit, a sufficient thickening effect can be obtained and the formulation stability becomes good, and when it is at least the above lower limit, a sufficient cleansing effect can be obtained.

(Other ingredients)
In addition to the components (A) to (F), the detergent composition of the present invention includes components usually used for cleansing agents, such as a chelating agent, a pH adjuster, a bactericidal agent, a moisturizer, a wetting agent, and a coloring agent. Preservatives, touch improvers, fragrances, film-forming agents, anti-inflammatory agents, whitening agents, antiperspirants, ultraviolet absorbers, antioxidants, various extracts and the like can be appropriately contained. However, from the viewpoint of obtaining a temperature-stable composition, the cleansing agent of the present invention preferably contains an ionic surfactant of 0.5% or less, more preferably 0.05% or less. It is more preferable that there is no such thing.

The cleansing cosmetic of the present invention is preferably in the form of a gel. In gel-like cleansing cosmetics, gel-like means that it is in the range of 20,000 to 300,000 mPa · s, and more preferably, the viscosity is 30,000 from the viewpoint of smooth spread and quick blending with makeup. ~ 200,000 mPa · s. The viscosity (mPa · s) was measured using a B-type viscometer under the measurement conditions: rotor NO. It is a value measured at 4, 3 rpm and 1 minute.

The method for producing the cleansing cosmetic of the present invention is not particularly limited, but for example, the polymer of the component (D) is dispersed in the component (A) using a dispa or the like to obtain a dispersion. A dispersion of the component (A) and the component (D) is added to the mixed solution of the component (C) and the component (E) and mixed uniformly, and a base is added to neutralize the polymer of the component (D). Then, the component (B1) and the component (B2) are added and uniformly mixed to produce the product.

The cleansing agent of the present invention is not particularly limited, but it is preferably an oil-in-water type because the effects of the present invention can be easily exhibited. In the present invention, since the structure is not maintained, the bicontinuous emulsion structure is generally not adopted.

As a method of using the cleansing agent of the present invention, it can be used by picking up an arbitrary amount and blending it with the makeup agent. After use, it can be washed off with water or wiped off with tissue paper or the like, but it is preferable to wash it off with water so as not to leave stickiness after use.

The effects of the present invention will be described with reference to the following examples and comparative examples. In the examples, the indication of "parts" or "%" may be used, but unless otherwise specified, it indicates "parts by mass" or "% by mass". Unless otherwise specified, each operation is performed at room temperature (25 ° C.).

(Examples 1 to 15 and Comparative Examples 1 to 9)
A gel-like cleansing cosmetic (oil-in-water type) having the formulation shown in Table 1 below was prepared.

(Production method)
1. 1. The components (C) and (E) were mixed and heated to 70 ° C. to obtain a mixture.
2. The component (D) was added to the component (A), dispersed uniformly with a dispa, added to the mixture obtained in 1 (maintaining the temperature at 70 ° C.), and mixed uniformly.
Triethanolamine was added to and mixed with the mixture obtained in 3.2, and then the component (B1) and the component (B2) were added and mixed uniformly to obtain a cleansing cosmetic.

Evaluation 1: Fresh growth and spread of cleansing agent during use Each sample is subjected to a usage test by 20 specialized panels, each panel evaluates in 4 stages according to the following absolute criteria, and the average value from the total score of all the panels Was calculated and judged according to the following criteria. Specifically, after applying makeup using a water-in-oil liquid foundation in advance, use the cleansing agents of Examples and Comparative Examples to see if you feel the freshness when the cleansing agent is spread on the skin. evaluated. The results are shown in Table 1. The water-in-oil liquid foundation used here had the following formulation. 〇 Above is considered to be highly evaluated in actual use.

[Prescription of water-in-oil liquid foundation (for cleansing)]
(Component) (% by mass)
1. 1. PEG-9 polydimethylsiloxyethyl dimethicone (Note 1) 3
2. Decamethylcyclopentasiloxane 20
3. 3. Silicone treated talc (Note 2) 5
4. Silicone treated red iron oxide (Note 2) 0.5
5. Silicone treated iron oxide (Note 2) 0.5
6. Silicone treated black iron oxide (Note 2) 0.5
7. Silicone treated titanium oxide (Note 2) 10
8. Glyceryl tri2-ethylhexanoate 10
9. Sorbitan sesquioleate 0.5
10. Remaining amount of purified water 11. Sodium chloride 0.5
12.1,3-butylene glycol 10
13. Alcohol 5
14. Preservative (methyl paraoxybenzoate) 0.1
15. Fragrance 0.2
(Note 1) KF-6028 (manufactured by Shin-Etsu Chemical Co., Ltd.)
(Note 2) Treatment with 2% dimethylpolysiloxane.

Manufacturing method of water-in-oil liquid foundation (for cleansing) (1) Ingredients 1 and 2 are uniformly mixed.
(2) Ingredients 3 to 9 are uniformly dispersed by a roller.
(3) Add (2) to (1) above and mix uniformly.
(4) Ingredients 10 to 15 were added to (3) above and emulsified to obtain a water-in-oil liquid foundation.

(Absolute standard)
(Score): (Evaluation result)
3: Very feel 2: Feel 1: Slightly feel 0: Do not feel (does not feel like crushing, sticky and spreads heavily)
<Criteria>
(Average score): (Judgment)
(Average score): (Judgment)
2.5 points or more: ◎
2 points or more and less than 2.5 points: ○
1 point or more and less than 2 points: △
Less than 1 point: ×.

Evaluation 2: Massage property evaluation (A) Lightness when cleansing cosmetics are applied to the skin Each sample is tested for use by 20 specialized panels, and each panel evaluates it on a 4-point scale according to the following absolute criteria. Then, the average value was calculated from the total score of all the panels, and the judgment was made according to the following criteria. Specifically, after applying makeup in the same way as in Evaluation 1, apply cleansing cosmetics to the skin, spread it over the entire face, and then apply the cleansing agent to the skin in an arc for a certain number of times at the same location. The lightness at the time of failure was evaluated. The results are shown in Table 1. 〇 Above is considered to be highly evaluated in actual use.
(Absolute standard)
(Score): (Evaluation result)
3: Very feel 2: Feel 1: Slightly feel 0: Do not feel <Criteria>
(Average score): (Judgment)
(Average score): (Judgment)
2.5 points or more: ◎
2 points or more and less than 2.5 points: ○
1 point or more and less than 2 points: △
Less than 1 point: ×.

Evaluation 3: Massage property evaluation (B) Film thickness when cleansing cosmetics are applied to the skin Each sample is tested for use by 20 specialized panels, and each panel is divided into 4 stages according to the following absolute criteria. The evaluation was made, the average value was calculated from the total score of all the panels, and the judgment was made according to the following criteria. Specifically, after applying makeup in the same manner as in Evaluation 1, apply cleansing cosmetics to the skin, spread it over the entire face, and then apply the cleansing agent to the skin in an arc for a certain number of times at the same location. The film thickness (stiffness) at the time of failure was evaluated. The results are shown in Table 1. 〇 Above is considered to be highly evaluated in actual use.
(Absolute standard)
(Score): (Evaluation result)
3: Very feel 2: Feel 1: Slightly feel 0: Do not feel <Criteria>
(Average score): (Judgment)
(Average score): (Judgment)
2.5 points or more: ◎
2 points or more and less than 2.5 points: ○
1 point or more and less than 2 points: △
Less than 1 point: ×.

Evaluation 4: Cleansing property (makeup removal)
Each sample was subjected to a usage test by 20 specialized panels, each panel evaluated in 4 stages according to the following absolute criteria, the average value was calculated from the total score of all the panels, and the judgment was made according to the following criteria. Specifically, after the evaluation in the above evaluation 3, it was evaluated whether or not the makeup stains were removed by rinsing with a certain amount of water. The results are shown in Table 1. 〇 Above is considered to be highly evaluated in actual use.
(Absolute standard)
(Score): (Evaluation result)
3: Very good 2: Good 1: Slightly inferior 0: Bad <Judgment criteria>
(Average score): (Judgment)
(Average score): (Judgment)
2.5 points or more: ◎
2 points or more and less than 2.5 points: ○
1 point or more and less than 2 points: △
Less than 1 point: ×.

Reference evaluation: Transparency A quartz cell with a thickness of 1 cm was placed and visually judged. A black-and-white striped paper with a width of 5 mm was placed on the opposite side of the quartz cell, and the degree of discrimination was determined according to the following criteria.

Transparent: Black and white stripes can be clearly identified through the quartz cell.

Semi-transparent: A striped pattern can be confirmed to some extent.

White turbidity: Black and white stripes cannot be distinguished at all.

The results are shown in Table 1.

As described above, the cleansing agent of the example has an excellent massage property when the cleansing agent is applied to the skin and the cleansing agent is spread and spread to feel freshness, and when the cleansing cosmetic is spread and further applied to the skin. It was a gel-like cleansing cosmetic with high cleansing power. The cleansing agents of both Examples and Comparative Examples were in the form of gel (viscosity of 20,000 to 300,000 mPa · s).

On the other hand, in Comparative Example 1 in which silicone oil was not contained as an oil agent, it was difficult to feel the freshness when spreading the cleansing agent. In Comparative Example 2 in which a carboxyvinyl polymer was used instead of the component (D), it was difficult to feel the freshness when spreading the cleansing agent, and the massage property was also lacking. On the other hand, Comparative Example 3 containing no component (D) was remarkably lacking in massage property. Further, in Comparative Example 4 in which xanthan gum, which is also a polysaccharide, was used instead of the component (C), and Comparative Example 5 in which the component (C) was not included, it was difficult to feel the freshness when spreading the cleansing agent. In addition, it lacked massage properties. Comparative Example 6 containing no component (B1) lacked cleansing properties. Further, in Comparative Example 7 in which the content of the component (A) is small, it is difficult to feel the freshness when the cleansing agent is extended, and the weight is felt when the cleansing agent is extended, and the cleansing property is also improved. It was missing.

Claims (6)

The following components (A) to (F);
(A) Oil agent (B1) Nonionic surfactant having an HLB of 2 or more and less than 8 (B2) Nonionic surfactant having an HLB of 8 or more and 15 or less (C) Carrageenan (D) Acrylic acid / Alkyl methacrylate Polymer (E) contains polyhydric alcohol (F) water,
A cleansing cosmetic in which the component (A) contains silicone oil and the content of the component (A) is 10% by mass or more. The cleansing cosmetic according to claim 1, wherein the components (B1) and (B2) are nonionic surfactants having a glyceryl group. The cleansing cosmetic according to claim 1 or 2, wherein the content of the component (B2) is 10% by mass or more. The cleansing cosmetic according to any one of claims 1 to 3, wherein the content mass ratio of the component (C) to the component (D) is 0.5 to 2. The cleansing cosmetic according to any one of claims 1 to 4, wherein the component (A) is a combination of an ester oil and a silicone oil. The cleansing cosmetic according to any one of claims 1 to 5, wherein the content of the component (E) is 10 to 35% by mass.