JP6853798B2 - Gel-like cosmetics - Google Patents

Description

The present invention relates to gel-like cosmetics.

Conventionally, various dosage forms such as lotion, gel, milky lotion, and cream have been known as skin cosmetics that give the skin a moisturizing feeling and a firm feeling (a feeling that the skin is moderately pulled and has no slack). ing.

Among them, milky lotions and creams contain a relatively large amount of oily components such as higher alcohols, so that a certain amount of weight is felt at the time of application, and there is a feeling of use (so-called "richness") that gives a high-concentration feel. It has the characteristics of being excellent in the feeling of use (also called "richness") and the moisturizing feeling after application. The feeling of richness when applying the cosmetics to the skin leads to the feeling of using a concentrated agent. Further, the milky lotion and cream are characterized by having an excellent effect of giving a firm feeling to the skin after application.

On the other hand, water-based gels and lotions are characterized by a fresh feeling of use. However, the durability of the moisturizing sensation and the richness at the time of application tend to be inferior, and it is difficult to achieve both a fresh feeling of use and a richness.

For this reason, conventionally, for example, after permeating water into the skin using a gel or a lotion, the skin is cared for by a method of maintaining a moisturizing effect with a milky lotion or a cream. However, it is complicated to care for the skin using a plurality of skin cosmetics. For this reason, in recent years, there has been a demand for skin cosmetics that have a fresh feeling of use, richness and firmness. For example, an all-in-one type cosmetic that can efficiently care for the skin in a short time with one agent (all-in-one). Demand for cosmetics) is increasing.

So far, a water-in-oil type containing a silicone-based film-forming agent, an oligoester of a mixed fatty acid containing dibasic acid and glycerin, a silicone-based surfactant, and a polyhydric alcohol and / or a sugar alcohol (so-called "" W / Si (Water in Silicone) type) skin emulsified cosmetics have been disclosed as an attempt to reduce the sticky feeling peculiar to oily components after application and to improve the sustainability of the moisturizing effect (for example). , Patent Document 1). However, Patent Document 1 is a W / Si type emulsification system that uses a silicone-based surfactant and has a relatively high content of silicone oil, has a poor richness, and is formed on the skin by a silicone-based film-forming agent. Since the film is soft, it was difficult to obtain a sufficient firmness.

Japanese Unexamined Patent Publication No. 2009-149623

As described above, the conventional emulsified cosmetic does not have a fresh feeling of use, a rich feeling at the time of application, a long-lasting moisturizing feeling, and an appropriate firmness after application. For example, an all-on-one type makeup. When used as a material, it was difficult to obtain a satisfactory usability.

Therefore, an object of the present invention is to provide a cosmetic having a fresh feeling of use and a feeling of penetration, while also having a rich feeling at the time of application and a firm feeling after application. Such cosmetics are also preferably used as all-on-one type cosmetics.

As a result of diligent studies to achieve the above object, the present inventor: component (A): ^{dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 30,000 to 100,000 mm 2} / s, component (B): (ethylhexane). Acid / stearic acid / adipic acid) glyceryl, component (C): water-soluble polymer, component (D): monoglycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene glycerin fatty acid It contains at least one nonionic surfactant selected from the group consisting of an ester and a polyoxyethylene sorbitan fatty acid ester, and component (E): water, and the content of the component (A) is 0.01 to 0. According to the oil-in-water gel-like cosmetics having a content of .2% by mass and a content of the above component (B) of 0.2 to 4.0% by mass, a fresh feeling of use, a feeling of penetration, and a feeling of penetration at the time of application It has been found that it has both a rich feeling and a firm feeling after application. The present invention has been completed based on these findings.

That is, the present invention contains the following component (A), the following component (B), the following component (C), the following component (D), and the following component (E), and the content of the above component (A) is 0. Provided is an oil-in-water gel-like cosmetic having a content of 0.01 to 0.2% by mass and a content of the above component (B) of 0.2 to 4.0% by mass.
Component (A): Dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 30,000 to 100,000 mm ² / s Component (B): (Ethylhexanoic acid / stearic acid / Adiponic acid) Glyceryl Component (C): Highly water-soluble Molecular component (D): At least one selected from the group consisting of monoglycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyoxyethylene sorbitan fatty acid ester. Nonion Surfactant Component (E): Water

The component (C) of the gel-like cosmetic is at least one polymer selected from the group consisting of the following component (C1) and the following component (C2), and is contained in 100% by mass of the gel-like cosmetic. The content of the component (C) is preferably 0.25 to 1.7% by mass.
Ingredient (C1): Polymer containing structural units derived from acryloyldimethyltaurate Ingredients (C2): Constituent units derived from (meth) acrylic acid and / or (meth) acrylic acid alkyl ester and (meth) acrylic acid poly Polymer containing at least a structural unit derived from oxyethylene alkyl ether

The component (D) of the gel-like cosmetic preferably contains a monoglycerin fatty acid ester.

The gel-like cosmetics preferably further contain the following component (F).
Ingredient (F): Aliphatic alcohol with 12 to 24 carbon atoms

The gel-like cosmetics preferably do not contain silicone oil having a kinematic viscosity at 25 ° C. of ^{less than 30,000 mm 2} / s, or the content of the silicone oil is 5.0% by mass or less. ..

The gel-like cosmetic of the present invention is excellent in a fresh feeling of use, a feeling of penetration, a feeling of richness at the time of application, and an appropriate feeling of firmness after application. Further, when the component (F) is contained, it contributes to imparting a feeling of thickness at the time of application, so that an effect of further improving the feeling of richness at the time of application can be obtained. In addition, in this specification, "thickness feeling at the time of application" means the feeling that a finger feels a thick coating layer to some extent when a cosmetic is applied to the skin.

As an essential ingredient, the gel-like cosmetic of the present invention has a kinematic viscosity at 25 ° C. of 30,000 to 100,000 mm ² / s dimethylpolysiloxane; (ethylhexanoic acid / stearic acid / adipic acid) glyceryl; highly water-soluble. Molecular: At least one nonionic surfactant selected from the group consisting of monoglycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyoxyethylene sorbitan fatty acid ester. Agent; as well as containing water. In the present specification, the above-mentioned "dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 30,000 to 100,000 mm ² / s" is referred to as "component (A)", and the above-mentioned "(ethylhexanoic acid / stearic acid / adiponic acid)". "Glyceryl" is "component (B)", the above "water-soluble polymer" is "component (C)", the above "monoglycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene" The "at least one nonionic surfactant selected from the group consisting of the glycerin fatty acid ester and the polyoxyethylene sorbitan fatty acid ester" may be referred to as "component (D)", and the above "water" may be referred to as "component (E)". is there.

That is, the gel-like cosmetic of the present invention contains at least the component (A), the component (B), the component (C), the component (D), and the component (E). The gel-like cosmetic of the present invention may further contain components other than the essential components (A) to (E), depending on the intended use. As each component such as the above-mentioned components (A) to (E) and other components contained in the gel-like cosmetic of the present invention, only one kind may be used, or two or more kinds may be used respectively.

The gel-like cosmetic of the present invention is an oil-in-water (o / w) type gel-like cosmetic. In the gel-like cosmetics of the present invention, since the continuous phase is water (component (E)), it is excellent in a fresh feeling of use, a feeling of penetration, and a ability to replenish water. In addition, the oily component dispersed in the continuous phase as emulsified particles gives a moisturizing feeling, and also produces a feeling of permeation, firmness, smoothness, and a smooth film feeling. Therefore, in addition to the fresh feeling of use and penetration of the gel, the gel-like cosmetic has a richness at the time of application like a cream, and also has a firmness after application.

The components (A) to (E), which are essential components of the gel cosmetic of the present invention, will be described below.

[Component (A): Dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 30,000 to 100,000 mm ^{2 / s]}
The component (A) is a highly polymerized silicone oil having a kinematic viscosity at 25 ° C. of 30,000 to 100,000 mm ² / s, and is also called dimethicone. The component (A) exerts an effect of giving a feeling of penetration, a feeling of firmness, and a good slipperiness by forming a film on the skin after applying the gel-like cosmetic of the present invention to the skin. The kinematic viscosity of the above dimethylpolysiloxane at 25 ° C. is a value measured according to JIS K 2283. As the component (A), only one kind may be used, or two or more kinds may be used.

^{As the component (A), the kinematic viscosity at 25 ° C. is preferably 40,000 to 90,000 mm 2} / s from the viewpoint of forming a film on the skin and having an excellent effect of giving a feeling of penetration, a feeling of firmness, and a good slipperiness. Is.

As the component (A), a commercially available product can also be used. Examples of commercially available products include the product name "KF-96H-30,000 cs" (kinematic viscosity at 25 ° C.: 30,000 mm ² / s) and the product name "KF-96H-50,000 cs" (kinematic viscosity at 25 ° C.). : 50,000 mm ² / s), trade name "KF-96H-60,000 cs" (25 ° C kinematic viscosity: 60,000 mm ² / s), trade name "KF-96H-100,000 cs" (25 ° C) Kinematic viscosity: 100,000 mm ² / s) (above, manufactured by Shin-Etsu Chemical Industry Co., Ltd.); Product name "SH200 FLUID 30,000CS" (25 ° C kinematic viscosity: 30,000 mm ² / s), "SH200 FLUID 60, 000CS "(25 ° C kinematic viscosity: 60,000 mm ² / s)," SH200 FLUID 100,000 CS "(25 ° C kinematic viscosity: 100,000 mm ² / s) (above, manufactured by Toray Dow Corning Co., Ltd.), etc. Can be mentioned.

The content of the component (A) in the gel-like cosmetics of the present invention is 0.01 to 0.2% by mass, preferably 0.03 to 0.03% by mass, based on 100% by mass of the gel-like cosmetics of the present invention. It is by mass at 0.15% by mass. When the content is 0.01% by mass or more, the effect of forming a film on the skin and giving a feeling of penetration and an appropriate firmness is excellent. If the content exceeds 0.2% by mass, the firmness becomes too strong and the skin after application becomes taut, which is not preferable. In addition, the feeling of application of the cosmetic is heavy, and it becomes difficult to obtain a feeling of penetration. The content of the above component (A) is the total content of all the components (A) in the gel cosmetic of the present invention.

[Component (B): (ethylcaproic acid / stearic acid / adipic acid) glyceryl]
The component (B) is (ethylcaproic acid / stearic acid / adipic acid) glyceryl. Ingredient (B) exerts an effect of giving a rich feeling at the time of application to the gel-like cosmetic while maintaining the freshness of the gel-like cosmetic. As the component (B), only one kind may be used, or two or more kinds may be used.

As the component (B), a commercially available product can also be used. Examples of commercially available products include the trade name "Nomcoat LAH" (manufactured by Nisshin Oillio Group Co., Ltd.).

The content of the component (B) in the gel-like cosmetic of the present invention is 0.2 to 4.0% by mass, preferably 0.3 to 4.0% by mass, based on 100% by mass of the gel-like cosmetic of the present invention. It is 3.0% by mass, more preferably 0.5 to 2.0% by mass. When the content is 0.2% by mass or more, the gel-like cosmetic has an excellent effect of giving a rich feeling at the time of application while maintaining the freshness of the gel-like cosmetic. If the content exceeds 4.0% by mass, the film formed after applying the gel-like cosmetics becomes sticky, and the freshness and permeation feeling are reduced. The content of the above component (B) is the total content of all the components (B) in the gel-like cosmetics of the present invention.

[Component (C): Water-soluble polymer]
The component (C) is a water-soluble polymer. Ingredient (C) exerts the effect of thickening the system to form a gel dosage form. The component (C) is not particularly limited, and is, for example, gelatin, xanthan gum, guagam, carrageenan, pectin, locust bean gum, alginate, methyl cellulose, ethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, carboxyvinyl polymer, alkyl modification. Carboxyvinyl Polymers, Alkyl Acrylic Copolymers, (Acrylates / Steareth Methacrylate-20) Copolymers, (Acrylates / Steareth Methacrylate-20) Crosspolymers, (Acrylates / Behenez Methacrylate-25) Copolymers, (Acrylate / Vinyl Neodecanoate) Examples thereof include a cross polymer, a (Na acrylate / Na acryloyldimethyltaurine) copolymer, and a (hydroxyethyl acrylate / Na acryloyldimethyltaurine) copolymer. As the component (C), only one kind may be used, or two or more kinds may be used.

Among the components (C), a polymer containing a structural unit derived from acryloyldimethyltaur phosphate and (meth) from the viewpoint of forming a fresh gel formulation and also having an excellent effect of imparting a feeling of thickness at the time of application. ) It is preferable to include a combination of a polymer containing at least a structural unit derived from acrylic acid and / or (meth) acrylic acid alkyl ester and a structural unit derived from (meth) acrylic acid polyoxyethylene alkyl ether. In the present specification, the above-mentioned "polymer containing a structural unit derived from acryloyldimethyltaurate" is derived from "component (C1)" and the above-mentioned "(meth) acrylic acid and / or (meth) acrylic acid alkyl ester". A "polymer containing at least a constituent unit and a constituent unit derived from polyoxyethylene alkyl ether (meth) acrylate" may be referred to as "component (C2)". That is, the gel-like cosmetic of the present invention preferably contains at least the component (C1) and the component (C2).

The component (C1) is a polymer containing at least a structural unit (so-called monomer unit) derived from acryloyldimethyltaurate. Examples of the acryloyldimethyltaurate include sodium acryloyldimethyltaurate and the like. The component (C1) may contain a structural unit derived from a monomer component other than acryloyldimethyltaurate. Examples of the monomer component other than acryloyldimethyltaur phosphate include (meth) acrylic acid such as acrylic acid; (meth) acrylic acid salt such as sodium acrylate; hydroxyl group-containing acrylic monomer such as hydroxyethyl acrylate; acrylic acid amide. Such as amide group-containing acrylic monomer and the like. Examples of the component (C1) include a copolymer of acrylic acid and acryloyldimethyltaurate, a copolymer of hydroxyethyl acrylate and acryloyldimethyltaurate, acrylic acid, acrylic acid, acrylamide, and acryloyldimethyltaurate. Examples include the copolymer of.

As the component (C1), a compound described as "Sodium Acrylate / Sodium Acryloid Taurate Copolymer ((Na acrylate / acrylate dimethyl taurine Na) copolymer)" in the INCI name; (Hydroxyethyl acrylate / acryloyldimethyltaurine Na) copolymer) ”is preferred. Among the above, the (Na acrylate / Na acryloyldimethyltaurine) copolymer is preferable.

As the component (C1), a commercially available product can also be used. Examples of commercially available products include the product name "SIMULGEL EG" and the product name "SIMULGEL NS" (all manufactured by SEPPIC SA).

The component (C2) is a structural unit derived from (meth) acrylic acid and / or (meth) acrylic acid alkyl ester (monomer component (C2a)) and (meth) acrylic acid polyoxyethylene alkyl ether (monomer component (C2b)). ) Is a polymer containing at least a structural unit derived from). Examples of the monomer component (C2b) include polyoxyethylene stearyl ether methacrylate and polyoxyethylene behenyl ether methacrylate. The average number of moles of oxyethylene added to the monomer component (C2b) is preferably 15 to 30. As the monomer component (C2a) and the monomer component (C2b), only one kind may be used, or two or more kinds may be used respectively. The component (C2) may contain a structural unit derived from a monomer component other than the monomer component (C2a) and the monomer component (C2b). Examples of the component (C2) include a copolymer of (meth) acrylic acid and / or (meth) acrylic acid alkyl ester and polyoxyethylene stearyl methacrylate, (meth) acrylic acid and / or (meth) acrylic acid alkyl. Examples thereof include a copolymer of an ester and polyoxyethylene behenyl ether methacrylate.

The component (C2) is a compound described by INCI name as "ACRYLATES / STEARETH-20 METHACRYLATE COPOLYMER ((Acrylate / Steareth-20) copolymer)"; "ACRYLATES / STEARETH-20 METHACRYLATE CROSSPO". A compound described as "acid steares-20) crosspolymer)"; a compound described as "ACRYLATES / BEHENETH-25 METHACRYLATE COPOLYMER ((Acrylates / Behenez methacrylic acid-25) copolymer)" and the like are preferable. Among the above, from the viewpoint of the stability of the gel-like cosmetics, the Acrylate / Methacrylic Acid Steareth-20) copolymer and the (Acrylate / Behenez Methacrylate-25) copolymer are preferable.

As the component (C2), a commercially available product can also be used. Examples of commercially available products include the product name "Accurin 22", the product name "Accurin 88", and the product name "Accurin 28" (all manufactured by Dow Chemical Co., Ltd.).

The component (C2) is preferably neutralized with a basic substance or neutralized with a basic substance before use. Examples of the basic substance in this case include alkanolamines such as triethanolamine and monoethanolamine; inorganic bases such as ammonia, sodium hydroxide and potassium hydroxide; and basic amino acids such as arginine. The amount of the basic substance added is an amount that becomes a sufficiently neutralized component (C2), or is an amount sufficient to neutralize the component (C2), and the component (C2) and the above basic substance. It may be appropriately blended according to the type of the substance and the amount of the component (C2) used.

The content of the component (C) in the gel-like cosmetic of the present invention is not particularly limited, but is preferably 0.25 to 1.7% by mass with respect to 100% by mass of the gel-like cosmetic of the present invention. , More preferably 0.5 to 1.5% by mass. When the content is 0.25% by mass or more, the effect of thickening the system into a gel and the feeling of penetration are more excellent. When the content is 1.7% by mass or less, stickiness and sliminess after application are further suppressed, and the feeling of freshness is excellent. It also has an excellent effect of giving a feeling of elasticity. The content of the above component (C) is the total content of all the components (C) in the gel cosmetic of the present invention.

When the gel-like cosmetic of the present invention contains the component (C1) and the component (C2), the content of the component (C1) in the gel-like cosmetic of the present invention maintains a feeling of thickness and a feeling of thickness at the time of application. From the viewpoint of the above, 0.2 to 1.2% by mass is preferable, and more preferably 0.3 to 0.7% by mass, based on 100% by mass of the gel cosmetic of the present invention. Further, the mass ratio of the content of the component (C1) to the content of the component (C2) [component (C1) / component (C2)] is preferably 1.0 to 15.0. By setting the mass ratio within the above range, it is possible to obtain a gel-like cosmetic having both elasticity, a feeling of thickness, and maintenance thereof. When the mass ratio is 1.0 or more, the thickness feeling at the time of application and the effect of maintaining the thickness, which are the characteristics of the component (C1), become more excellent, and when the mass ratio is 15.0 or less, the thickness is improved. The gel has excellent elasticity peculiar to the component (C2), and has an excellent feeling of thickness at the time of application.

[Component (D): At least one selected from the group consisting of monoglycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyoxyethylene sorbitan fatty acid ester. Nonion Surfactant]
The component (D) is at least one selected from the group consisting of monoglycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyoxyethylene sorbitan fatty acid ester. It is a fatty acid ester type nonionic surfactant. The component (D) exerts an effect as an emulsifier for forming an oil-in-water emulsification system. As the component (D), only one kind may be used, or two or more kinds may be used.

The component (D) preferably contains a monoglycerin fatty acid ester, which is a lipophilic nonionic surfactant, from the viewpoint of imparting a feeling of thickness at the time of application.

The monoglycerin fatty acid ester is not particularly limited, but for example, glyceryl monocaprylate, glyceryl monocaprate, glyceryl monolaurate, glyceryl monomyristate, glyceryl monopalmitate, glyceryl monostearate, glyceryl distearate, monoisostearate. Glyceryl acid, glyceryl diisostearate, glyceryl monohydroxystearate, glyceryl monooleate, glyceryl monobechenate, glyceryl dibechenate and the like can be mentioned.

The polyglycerin fatty acid ester is not particularly limited, and for example, diglyceryl monostearate, diglyceryl monooleate, diglyceryl monoisostearate, tetraglyceryl monostearate, tetraglyceryl monooleate, hexaglyceryl monolaurate, etc. Polyglycerin fatty acid monoesters such as hexaglyceryl monomyristate, hexaglyceryl monostearate, hexaglyceryl monooleate, decaglyceryl monolaurate, decaglyceryl monomyristate, decaglyceryl monostearate, decaglyceryl monooleate; dioleic acid Polyglycerin fatty acid diesters such as diglyceryl, decaglyceryl distearate, decaglyceryl diisostearate; polyglycerin fatty acid triester such as tetraglyceryl tristearate, hexaglyceryl tristearate, decaglyceryl tristearate, decaglyceryl trioleate; Examples thereof include polyglycerin fatty acid pentaesters such as tetraglyceryl pentastearate, 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 10 from the viewpoint of enhancing emulsion stability.

The fatty acid in the polyglycerin fatty acid ester is preferably a fatty acid having 8 to 24 carbon atoms, more preferably a fatty acid having 10 to 20 carbon atoms, and further preferably having 12 to 18 carbon atoms from the viewpoint of enhancing emulsion stability. It is a fatty acid.

The sorbitan fatty acid ester is not particularly limited, but for example, sorbitan monocaprate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monostearate, sorbitan distearate, sorbitan sesquistearate, sorbitan tristearate, trioleic acid. Examples thereof include sorbitan, sorbitan monoisostearate, sorbitan sesquiisostearate, sorbitan monooleate, sorbitan sesquioleate, and sorbitan coconut oil fatty acid.

The polyoxyethylene fatty acid ester is not particularly limited, and for example, polyethylene glycol monolaurate, polyethylene glycol monopalmitate, polyethylene glycol monostearate, polyethylene glycol monoisostearate, polyethylene glycol distearate, polyethylene glycol monooleate, and the like. Examples thereof include polyethylene glycol dioleate.

The polyoxyethylene glycerin fatty acid ester is not particularly limited, and is, for example, polyoxyethylene (capril / capric acid) glyceryl, polyoxyethylene palm oil fatty acid glycerin, polyoxyethylene glyceryl monooleate, and polyoxyethylene monomyristate. Examples thereof include glyceryl, polyoxyethylene glyceryl monostearate, polyoxyethylene glyceryl monoisostearate, and polyoxyethylene glyceryl triisostearate. The number of moles of ethylene oxide added is not particularly limited, but is preferably 2 to 100, more preferably 4 to 90, from the viewpoint of enhancing emulsion stability.

The polyoxyethylene sorbitan fatty acid ester is not particularly limited, and for example, monolaurate polyoxyethylene sorbitan, monostearate polyoxyethylene sorbitan, tristearate polyoxyethylene sorbitan, oleic acid polyoxyethylene sorbitan, and trioleic acid. Examples include polyoxyethylene sorbitan. The number of moles of ethylene oxide added is not particularly limited, but is preferably 5 to 50, more preferably 10 to 30, from the viewpoint of enhancing emulsion stability.

The content of the component (D) in the gel-like cosmetic of the present invention is not particularly limited, but is preferably 0.5 to 4.0% by mass with respect to 100% by mass of the gel-like cosmetic of the present invention. It is preferably 0.7 to 3.5% by mass. When the content is 0.5% by mass or more, the emulsion stability is further excellent. When the content is 4.0% by mass or less, the stickiness and sliminess after application are further suppressed, which contributes to the effect of giving a refreshing feeling of use. The content of the above component (D) is the total content of all the components (D) in the gel-like cosmetics of the present invention.

From the viewpoint of improving the thickness at the time of application, the content of the monoglycerin fatty acid ester in the gel cosmetic of the present invention is not particularly limited, but is preferably 0.05 to 3.0% by mass, more preferably 0. .1 to 2.0% by mass. When the content is 0.05% by mass or more, the effect of improving the emulsification stability and the feeling of thickness after application is further excellent. When the content is 3.0% by mass or less, the stickiness and sliminess after application are further suppressed, which contributes to the effect of giving a refreshing feeling of use. The content of the monoglycerin fatty acid ester is the total content of all the monoglycerin fatty acid esters in the gel cosmetic of the present invention.

[Component (E): Water]
The component (E) is water. The component (E) serves as a medium for forming an oil-in-water emulsification system. The water is not particularly limited, but purified water is preferable. The content of the component (E) in the gel-like cosmetic of the present invention is not particularly limited, but is preferably 60.0 to 90.0% by mass with respect to 100% by mass of the gel-like cosmetic of the present invention. It is preferably 70.0 to 85.0% by mass.

Hereinafter, preferred optional ingredients of the gel-like cosmetics of the present invention will be described.

[Component (F): fatty alcohol with 12 to 24 carbon atoms]
Ingredient (F) is a higher alcohol. The gel-like cosmetic of the present invention preferably contains a component (F) having an effect of controlling the viscosity of the system from the viewpoint of further improving the feeling of thickness at the time of application. By blending the component (F), the richness of the agent can be further enhanced and the usability can be improved. As the component (F), only one kind may be used, or two or more kinds may be used.

The carbon number of the component (F) is not particularly limited, but is 12 to 24, more preferably 14 to 22. When the number of carbon atoms is within the above range, the effect of improving the thickness at the time of application, thereby enhancing the richness of the agent and giving a good feeling of use is further excellent. Further, from the viewpoint of further improving the feeling of thickness at the time of application, the component (F) is preferably a monohydric aliphatic alcohol having 12 to 24 carbon atoms.

The component (F) is not particularly limited, and examples thereof include lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, cetostearyl alcohol, isostearyl alcohol, 2-octyldodecanol, oleyl alcohol, behenyl alcohol, and batyl alcohol.

The content of the component (F) in the gel-like cosmetic of the present invention is not particularly limited, but is preferably 0.05 to 5.0% by mass with respect to 100% by mass of the gel-like cosmetic of the present invention. It is preferably 0.1 to 4.0% by mass, and more preferably 0.1 to 1.0% by mass. When the content is 0.05% by mass or more, it is excellent in the effect of controlling the viscosity of the system, further improving the thickness feeling at the time of coating, and improving the richness feeling of the agent. When the content is 5.0% by mass or less, the stickiness and sliminess after application are further suppressed, which contributes to the effect of giving a refreshing feeling of use. The content of the above component (F) is the total content of all the components (F) in the gel cosmetic of the present invention.

The gel cosmetic of the present invention ^{does not contain silicone oil having a kinematic viscosity of less than 30,000 mm 2} / s at 25 ° C., or the content of the silicone oil is 5.0% by mass or less (0 to 0). 5.0% by mass) is preferable. If the kinematic viscosity at 25 ° C. is ^{less than 30,000 mm 2} / s and the silicone oil is contained in an amount of more than 5.0% by mass, the effect of the firmness feeling by the component (A) may be hindered. .. Examples of the silicone oil include dimethylpolysiloxane.

[Other ingredients]
The gel-like cosmetic of the present invention may contain ethanol from the viewpoint of improving the dispersibility of each component and the penetration of the cosmetic into the skin. The content of ethanol in the gel-like cosmetics of the present invention is not particularly limited, but is preferably 0.1 to 30.0% by mass, more preferably 0, with respect to 100% by mass of the gel-like cosmetics of the present invention. .5 to 25.0% by mass. When the content is 0.1% by mass or more, the dispersibility of each component and the permeability to the skin are further improved. Further, when the content is 30.0% by mass or less, the effect of suppressing the instability of the cosmetic due to irritation or decrease in viscosity is further excellent.

The gel-like cosmetic of the present invention may contain a polyhydric alcohol from the viewpoint of improving the moisturizing effect. Examples of the polyhydric alcohol include glycols, glycerins, sugar alcohols and the like. More specifically, ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, isoprene glycol, 1,3-butylene glycol, 1,2-butanediol, 1,2-pentane. Glycos such as diols, 1,2-hexanediols, 1,2-octanediols, 1,2-decanediols; glycerins such as glycerin, diglycerin, polyglycerin; xylitol, trehalose, martitol, mannitol, sorbitol, Examples thereof include sugar alcohols such as erythritol, arabitol, ribitol, galactitol, glucitol, and erythritol. As the polyhydric alcohol, only one kind may be used, or two or more kinds may be used.

The content of the polyhydric alcohol in 100% by mass of the gel-like cosmetic of the present invention is not particularly limited, but is 0.1 to 30.0% by mass with respect to 100% by mass of the gel-like cosmetic of the present invention. It is preferable, more preferably 1.0 to 25.0% by mass. When the content is 0.1% by mass or more, the moisturizing effect is further improved. Further, when the content is 30.0% by mass or less, the effect of suppressing stickiness is further excellent.

From the viewpoint of improving the emollient effect, the gel-like cosmetic of the present invention may contain an oily component selected from the group consisting of hydrocarbon oil, ester oil other than component (B), and vegetable oil. The content of the oily component in 100% by mass of the gel-like cosmetic of the present invention is not particularly limited, but is 0.1 to 20.0% by mass with respect to 100% by mass of the gel-like cosmetic of the present invention. It is preferable, more preferably 1.0 to 10.0% by mass.

Examples of the hydrocarbon oil include liquid paraffin, paraffin, petrolatum, selecin, microcrystalline wax, squalene, squalane, and isohexadecane. Examples of the ester oil include isopropyl myristate, 2-octyldodecyl myristate, cetyl 2-ethylhexanoate, pentaerythrityl tetraoctanoate and the like. Examples of the vegetable oil include olive oil, camellia oil, macadamia nut oil, avocado oil, argan oil, rice germ oil and the like.

In the gel-like cosmetics of the present invention, in addition to the above-mentioned components, other components usually used in cosmetics, for example, waxes such as carnauba wax, candelilla wax, beeswax, and lanolin, as long as the effects of the present invention are not impaired. Scrubbing agents such as crystalline cellulose, cellulose particles, silica, calcium carbonate; Cooling agents such as menthol and menthylglyceryl ether; Preservatives and bactericides such as paraoxybenzoic acid ester and phenoxyethanol; Fragrances; Powders; Coloring materials, etc. .. The above-mentioned other ingredients can be appropriately blended according to the intended use and purpose.

The gel-like cosmetic of the present invention is a gel-like (gel-like) dosage form. The viscosity of the gel-like skin cosmetic of the present invention is not particularly limited, but is preferably 4000 to 500,000 mPa · s, more preferably 8,000 to 100,000 mPa · s under the measurement conditions of 25 ° C. The viscosity can be measured using, for example, a TVB type rotational viscometer (trade name "TVB-22L" manufactured by Toki Sangyo Co., Ltd.).

<Gel-like cosmetic of the present invention>
The method for producing the gel-like cosmetic of the present invention is not particularly limited, and it can be produced by a known method. As a method for producing the gel-like composition, for example, a method of adding the above-mentioned components and mixing them using a known mixing device such as a disper mixer or a paddle mixer can be exemplified. However, the present invention is not limited to the above-mentioned production method. Further, the gel-like cosmetic of the present invention is preferably filled in a container that can be easily taken out, such as a dispenser container, a tube container, and a wide-mouthed jar container.

The gel-like cosmetic of the present invention is a skin cosmetic used on the skin. Among them, it is preferably used for so-called all-in-one type cosmetics, which are used alone as cosmetics having functions such as gel, lotion, beauty essence, milky lotion, and cream.

The site to which the gel-like cosmetic of the present invention is applied is not particularly limited, and for example, the face (forehead, eyes, eyes, cheeks, mouth, etc.), body (arms, elbows, back of hands, fingertips, feet, knees, heels, etc.) , Neck, armpits, back, etc.). Of these, the face is particularly preferable. The gel-like cosmetic of the present invention is preferably a gel-like cosmetic for the face.

The gel-like cosmetic of the present invention is an oil in water (o / w) containing water (component (E)), a water-soluble polymer (component (C)) and a nonionic surfactant (component (D)) as essential components. A type of gel-like cosmetic. Therefore, it is excellent in a fresh feeling of use, a feeling of penetration, and a ability to replenish water.
In the present invention, by blending a specific amount of (ethylcaproic acid / stearic acid / adipic acid) glyceryl (component (B)) in the oil-in-water gel-like cosmetics, the product is applied while maintaining its freshness. It demonstrates the richness of. The mechanism of action is not clear, but it is presumed that the component (B), which is highly polar and has a bulky molecular structure, interacts with a water-soluble component or the like.
Further, in the above system, by blending a specific amount of dimethylpolysiloxane (component (A)) having a kinematic viscosity at 25 ° C. of 30,000 to 100,000 mm ^{2 / s, the skin is slippery after application.} Produces a silky film feeling. As a result, stickiness at the time of application can be suppressed, and a feeling of penetration and a feeling of firmness after application can be imparted.
The gel-like cosmetic of the present invention is characterized in that it has a feeling of penetration, a feeling of richness at the time of application, and a feeling of firmness after application, while having a fresh feeling of use of the gel.

Hereinafter, the present invention will be described in more detail based on Examples, but the present invention is not limited to these Examples. The blending amount shown in the table is the blending amount of each component (that is, the blending amount of the active ingredient in each raw material), and is represented by "mass%" unless otherwise specified. In addition, "-" in the blending amount in the table indicates that the component is not blended.

Examples 1-27, Comparative Examples 1-6
(Preparation of each sample)
According to the compositions shown in Tables 1 and 2, the gel cosmetics of Examples 1 to 27 and Comparative Examples 1 to 6 were prepared by a conventional method and subjected to the following evaluation test.

Details of the main components listed in Tables 1 and 2 are as follows.
<Ingredient (A)>
Dimethylpolysiloxane: trade name "SH200 FLUID 30,000CS" (kinematic viscosity at 25 ° C: 30,000 mm ² / s), manufactured by Toray Dow Corning Co., Ltd. Didimethylpolysiloxane: trade name "SH200 FLUID 60,000CS" (25) Kinematic viscosity at ° C: 60,000 mm ² / s), Didimethylpolysiloxane manufactured by Dow Corning Co., Ltd .: Trade name "SH200 FLUID 100,000 CS" (kinematic viscosity at 25 ° C: 100,000 mm ² / s), Toray. Made by Dow Corning Co., Ltd. <Ingredient (B)>
(Ethyl caproic acid / stearic acid / adipic acid) Glyceryl: Trade name "Nomcoat LAH", manufactured by Nisshin Oillio Group Co., Ltd. <Ingredient (C1)>
(Na acrylate / Na acryloyl dimethyl taurine) Copolymer: Trade name "SIMULGEL EG", manufactured by SEPPIC SA <Component (C2)>
(Acrylate / Behenes-25 Methacrylic Acid) Copolymer: Trade name "Accurin 28", manufactured by Dow Chemical Co., Ltd. <Component (C)>
(Acrylate / Alkyl acrylate (C10-30)) Cross polymer: Trade name "PEMULEN TR-1", manufactured by Japan Lubrizol Co., Ltd. <Ingredient (D)>
Glyceryl stearate: Product name "CUTINA GMS-V", polyhydric fatty acid monoglyceryl, manufactured by BASF Polyglyceryl stearate-10: Product name "NIKKOL Decaglin 1-SV", sorbitan stearate manufactured by Nikko Chemicals Co., Ltd .: Product name "NIKKOL SS-10V", Nikko Chemicals Co., Ltd. PEG-25 stearate: trade name "NIKKOL MYS-25V", Nikko Chemicals Co., Ltd. glyceryl behenate, polyglyceryl octastearate-6: trade name "TAISET 50-C" , Made by Taiyo Kagaku Co., Ltd. <Other ingredients>
Dimethylpolysiloxane (kinematic viscosity at 25 ° C: 125,000 mm ² / s): trade name "SH200 FLUID 12,500 CS", manufactured by Toray Dow Corning Co., Ltd. Didimethylpolysiloxane (kinematic viscosity at 25 ° C: 300,000 mm) ² / s): Product name "KF-96H-300,000 cs", dimethylpolysiloxane manufactured by Shin-Etsu Chemical ^{Industry Co., Ltd. (kinematic viscosity at 25 ° C: 10 mm 2} / s): Product name "SH200 FLUID 10CS", Toray Dow Made by Corning Co., Ltd. Trimethylglycine: Brand name "Aminocoat", manufactured by Asahi Kasei Chemicals Co., Ltd.
Tetra 2-ethylhexanoate pentaerythrit: trade name "Saracos 5408", manufactured by Nisshin Oillio Group Co., Ltd.

(Evaluation)
Three expert evaluators evaluated the richness, penetration, and firmness. The results were determined by integrating the evaluations of each evaluator.

<Rich feeling>
The gel-like cosmetics of each example and comparative example were applied to the inner part of the forearm, and the gel-like cosmetics of each example and the comparative example were applied by stroking the applied part by hand so as to reciprocate. From the feeling of application up to 3 round trips after application, the "richness" was sensory-evaluated according to the following evaluation criteria. The evaluation results are shown in Tables 1 and 2.
◎ (excellent): A sticky weight is felt when spread on the skin, and a high-concentration feel is strong.
○ (Good): The weight is clearly felt when spread on the skin, and there is a high-concentration feel.
Δ (Available): A slight weight is felt when spread on the skin, and a high-concentration feel is slightly felt.
× (poor): There is no feeling of high weight or concentration when spread on the skin.

<Penetration>
In addition, the "penetration feeling" was sensory-evaluated according to the following evaluation criteria based on the change in the application feel until the gel-like cosmetic on the applied portion did not feel slippery and the gel-like cosmetic was felt to be familiar to the skin. The evaluation results are shown in Tables 1 and 2.
◎ (excellent): It seems that the gel-like cosmetics have become familiar with the skin within 10 round trips.
○ (Good): It seems that the gel-like cosmetics have become familiar with the skin after 11 to 15 round trips.
Δ (usable): Although a slight amount of gel-like cosmetic remains slimy after 15 round trips, it is practically acceptable.
× (Defective): At the time of 15 round trips, the gel-like cosmetics clearly remained slimy and could not be put into practical use.

<Tension>
In the above evaluation, after the gel-like cosmetics of each Example and Comparative Example were felt to be familiar to the skin, the "tightness" was evaluated from the feel of the skin of the applied portion according to the following evaluation criteria. The evaluation results are shown in Tables 1 and 2.
1 (too weak): No film feeling is felt.
2 (weak but usable): A slight film feeling is felt.
3 (Good): Although there is a film feeling, the firmness is a little weak.
4 (excellent): There is a filmy feeling, and a clear firmness is felt.
5 (Slightly strong): At the same time as the firmness, the skin feels a little taut.
6 (feels taut): The skin feels taut, but it is practically acceptable.
7 (too strong): The skin feels tight and uncomfortable in practice.

<Freshness>
In each of the above-mentioned Examples and Comparative Examples, the gel-like cosmetics had a feeling of water being supplied to the skin when applied to the inner part of the forearm in the above evaluation, and a freshness was felt. However, in Examples 12 to 13 and 19 to 21, and Comparative Examples 4 and 6, the gel was relatively hard and the feeling of water supply was slightly inferior.

From Tables 1 and 2 and the above evaluation results, the gel-like cosmetics of the examples had freshness and showed better results than usable in terms of penetration, richness, and firmness. That is, the gel-like cosmetics of the examples had all of a rich feeling at the time of application and a firm feeling after application, while having a fresh feeling of use and a feeling of penetration. On the other hand, in Comparative Example 1, when the content of the component (A) was less than the lower limit, the permeation feeling was poor (x) and the firmness was too weak (evaluation 1). On the contrary, in Comparative Example 2, when the content of the component (A) exceeded the upper limit value, the permeation feeling was poor (x) and the firmness feeling was too strong (evaluation 7). From this, it was clarified that the component (A) provides a balance between a permeation feeling and a firmness after application in a very limited blending amount in a specific range. Comparative Example 3 is a formulation in which dimethylpolysiloxane having an kinematic viscosity at 25 ° C. of 12,500 mm ² / s, which is lower than the lower limit, is blended in place of the component (A), and the firmness is too weak (the firmness is too weak). Evaluation 1) The results are shown. On the contrary, in Comparative Example 4, instead of the component (A), ^{a formulation containing dimethylpolysiloxane having a kinematic viscosity of 300,000 mm 2} / s at 25 ° C., which exceeds the upper limit, the gel was relatively hard. The result was that the feeling of water supply was slightly inferior and the feeling of firmness was too strong (evaluation 7). From this, it was clarified that the component (A) needs to have an extremely limited kinematic viscosity in a specific range in order to exert the effect of imparting a firmness. In Comparative Example 5, when the content of the component (B) was less than the lower limit, there was no richness and it was defective (x). On the contrary, in Comparative Example 6, when the content of the component (B) exceeds the upper limit value, the permeation feeling becomes poor (x), the gel is relatively hard, the water supply feeling is slightly inferior, and the firmness feeling. Was too strong (evaluation 7). From this, it was clarified that the component (B) brings about a balance between freshness and richness in a very limited blending amount in a specific range.

In addition, additional evaluations were carried out on the following items.

<Thickness when applied>
From the feeling of application immediately after the start of application, the "feeling of thickness at the time of application" was sensory evaluated. As a result, even after shearing immediately after application, Examples 1, 4 to 8, 10 to 12, 15, 19 to 20, and 27, and Comparative Examples 2, 4, and 6 are between the hands and the skin. A layer of cosmetics having a sufficient thickness was felt, and the surface of the layer of cosmetics was touched, and the feeling of thickness at the time of application was excellent. In Examples 2 to 3, 9, 14, 21, and 25, Comparative Examples 1 and 5 clearly have a layer of cosmetics between the hands and the skin, and have a feeling of indirectly touching the skin. , Had a good sense of thickness. In Examples 16, 18, 22, and 24, and Comparative Example 3, although there is a feeling of directly touching the skin, a slight layer of cosmetics is felt between the hands and the skin, and a certain degree of thickness is felt. Had had. On the other hand, in Examples 13, 17, 23, and 26, the cosmetic layer was completely removed by shearing immediately after application, and the skin felt as if it were in direct contact with the skin, and the thickness at the time of application was poor. However, it is sufficiently suitable for use in gel-like cosmetics that do not require a feeling of thickness at the time of application.

<Resilience at the time of application>
The "elasticity at the time of application" was sensory-evaluated from the feeling of application immediately after the start of application. As a result, when shearing immediately after application was applied, Examples 1 to 12, 15 to 16, 19, 23 to 27 and Comparative Examples 1 to 6 clearly felt elasticity and had good elasticity. It was. In addition, Examples 14, 18, and 22 felt a slight elasticity and had a certain degree of elasticity. On the other hand, the elasticity of Examples 13, 17, 20 to 21 was not felt. However, in gel-like cosmetics, which are not required to have elasticity at the time of application, they are sufficiently suitable for use.

<Maintaining a sense of thickness>
The change in the thickness of the cosmetic layer immediately after application was sensory evaluated as "maintaining the thickness". As a result, in Examples 1, 4 to 6, 11-12, 15, 21, 25, and 27, and Comparative Examples 2, 4, and 6, there was no change in the thickness feeling even at the time of 5 round trips, and the thickness feeling was maintained. Was excellent. In Examples 2 to 3, 7 to 10, 14, 18 to 20, 23 to 24, and Comparative Examples 1 and 5, there was no change in the feeling of thickness at the time of three round trips, and the feeling of thickness was well maintained. Further, in Example 26 and Comparative Example 3, although the thickness was reduced at the time of three round trips, the cosmetic layer was still felt, and the thickness was maintained to some extent. On the other hand, in Examples 13, 16 to 17, and 22, no layer of cosmetic was felt at the time of 3 round trips. However, it is sufficiently suitable for use in gel-like cosmetics that are not required to maintain a feeling of thickness.

Further, an example of prescribing a gel-like cosmetic that can be used in the present invention is shown below.
(Prescription example 1) All-in-one gel
(mass%)
Dimethylpolysiloxane (kinematic viscosity at 25 ° C: 60,000 mm ² / s) 0.05
(Ethyl caproic acid / stearic acid / adipic acid) Glyceryl 1.2
(Na acrylate / Na acryloyl dimethyl taurine) copolymer 0.6
(Acrylate / Behenes methacrylic acid-25) Copolymer 0.16
Polysorbate 80 0.12
Glyceryl stearate 0.2
Polyglyceryl stearate-10 1.0
Glyceryl behenate 0.3
Polyglyceryl octastearate-6 0.3
Behenyl alcohol 0.2
Dimethylpolysiloxane (kinematic viscosity at 25 ° C: 10 mm ² / s) 2.0
Tetra 2-ethylhexanoate pentaerythrit 2.0
Isohexadecane 0.36
Glycerin 8.0
Dipropylene glycol 5.0
Trimethylglycine 5.0
Ethanol 4.5
Phenoxyethanol 0.3
Okitoxyglycerin 0.05
Fragrance 0.1
Potassium hydroxide Appropriate amount of water Remaining total 100

(Prescription example 2) Moisturizing gel for body
(mass%)
Dimethylpolysiloxane (kinematic viscosity at 25 ° C: 60,000 mm ² / s) 0.05
(Ethyl caproic acid / stearic acid / adipic acid) Glyceryl 1.2
(Na acrylate / Na acryloyl dimethyl taurine) copolymer 0.6
(Acrylate / Behenes methacrylic acid-25) Copolymer 0.16
Polysorbate 80 0.12
Glyceryl stearate 0.2
Polyglyceryl stearate-10 1.0
Glyceryl behenate 0.3
Polyglyceryl octastearate-6 0.3
Behenyl alcohol 0.2
Dimethylpolysiloxane (kinematic viscosity at 25 ° C: 10 mm ² / s) 2.0
Tetra 2-ethylhexanoate pentaerythrit 2.0
Isohexadecane 0.36
Glycerin 8.0
Dipropylene glycol 5.0
Ethanol 10.0
Phenoxyethanol 0.3
Okitoxyglycerin 0.05
l-menthol 0.1
Fragrance 0.1
Potassium hydroxide Appropriate amount of water Remaining total 100

Claims (5)

It contains the following component (A), the following component (B), the following component (C), the following component (D), and the following component (E).
An oil-in-water gel-like cosmetic having a content of the component (A) of 0.01 to 0.2% by mass and a content of the component (B) of 0.2 to 4.0% by mass. ..
Component (A): Dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 30,000 to 100,000 mm ² / s Component (B): (Ethylhexanoic acid / stearic acid / Adiponic acid) Glyceryl Component (C): Highly water-soluble Molecular component (D): At least one selected from the group consisting of monoglycerin fatty acid ester, polyglycerin fatty acid ester, sorbitan fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene glycerin fatty acid ester, and polyoxyethylene sorbitan fatty acid ester. Nonion Surfactant Component (E): Water The component (C) is at least one polymer selected from the group consisting of the following component (C1) and the following component (C2), and the component (C) in 100% by mass of the gel cosmetic. The gel-like cosmetic according to claim 1, wherein the content of the gel is 0.25 to 1.7% by mass.
Ingredient (C1): Polymer containing structural units derived from acryloyldimethyltaurate Ingredients (C2): Constituent units derived from (meth) acrylic acid and / or (meth) acrylic acid alkyl ester and (meth) acrylic acid poly Polymer containing at least a structural unit derived from oxyethylene alkyl ether The gel-like cosmetic according to claim 1 or 2, wherein the component (D) contains a monoglycerin fatty acid ester. The gel-like cosmetic according to any one of claims 1 to 3, further comprising the following component (F).
Ingredient (F): Aliphatic alcohol with 12 to 24 carbon atoms Any one of claims 1 to 4, which does not contain silicone oil having a kinematic viscosity at 25 ° C. of ^{less than 30,000 mm 2} / s, or has a content of the silicone oil of 5.0% by mass or less. Gel-like cosmetics described in the section.