JP2020186212A - Emulsified cleansing cosmetic - Google Patents

Abstract

To provide an emulsified cleansing cosmetic which has excellent cleansing effect and suppresses sliminess and stickiness while imparting emollient feeling (freedom from dry feeling) to the skin after cleansing.SOLUTION: There is provided an emulsified cleansing cosmetic which comprises the following components (A1), (A2), (B), (C) and (D). A component (A1): at least one silicone oil selected from the group consisting of a cyclic silicone and a dimethylpolysiloxane having a kinematic viscosity at 25°C of 0.5 to 3 mm2/s, a component (A2): at least one silicone oil selected from the group consisting of caprylyl methicone and a dimethylpolysiloxane having a kinematic viscosity at 25°C of 5 to 10 mm2/s, a component (B): a hydrocarbon oil having a flash point of 35 to 110°C, a component (C): a nonionic surfactant and/or a polymeric emulsifier and a component (D): water.SELECTED DRAWING: None

Description

The present invention relates to emulsified cleansing cosmetics.

There are two types of cleansing cosmetics for the purpose of removing makeup, one is to wash it off and the other is to soak it in cotton and wipe it off. In the latter case, since the cosmetic composition remains on the skin after wiping, it is important that the skin feel after wiping is good.

For example, Patent Document 1 (Example) discloses a cleansing cosmetic containing liquid paraffin and cyclic silicone as main oily components. Further, Patent Document 2 (Example) discloses a cleansing cosmetic containing highly volatile hydrocarbon oil and cyclic silicone as main oily components.

Japanese Unexamined Patent Publication No. 2001-302450 Japanese Unexamined Patent Publication No. 2005-239561

The cleansing cosmetics described in Patent Documents 1 and 2 can all exhibit high cleansing power. However, since the cleansing cosmetic of Patent Document 1 mainly uses liquid paraffin, which is a hydrocarbon having low volatility as an oil component, it may become sticky or sticky after wiping. Further, since the cleansing cosmetic of Patent Document 2 uses only a highly volatile oil agent as an oil component, it may be excessively degreased after wiping and a strong dry feeling may occur. In this way, cleansing cosmetics that are excellent in cleansing effect (makeup stain removal effect) and that give emollient feeling (no dry feeling) to the skin after cleansing, but suppress slimyness and stickiness are still obtained. It has not been done, and development is desired.

Therefore, an object of the present invention is to provide a cleansing cosmetic that has an excellent cleansing effect and suppresses sliminess and stickiness while giving an emollient feeling (no feeling of dryness) to the skin after cleansing. .. Another object of the present invention is to provide a sheet cosmetic in which the sheet base material is impregnated with the cleansing cosmetic.

As a result of diligent studies to achieve the above object, the present inventor has an excellent cleansing effect according to an emulsified cleansing cosmetic containing a specific silicone oil, a highly volatile hydrocarbon oil, a specific emulsifier, and water. At the same time, it was found that sliminess and stickiness can be suppressed while giving an emollient feeling (no feeling of dryness) to the skin after cleansing. The present invention has been completed based on these findings.

That is, the present invention is an emulsified cleansing cosmetic containing the following component (A1), the following component (A2), the following component (B), the following component (C), and the following component (D).
Component (A1): At least one silicone oil selected from the group consisting of cyclic silicone and dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 0.5-3 mm ² / s. Component (A2): Caprylyl methicone and 25 ° C. At least one silicone oil component (B) selected from the group consisting of dimethylpolysiloxane having a kinematic viscosity of 5 to 10 mm ² / s: hydrocarbon oil component (C) having a flammable point of 35 to 110 ° C.: nonion. Surfactant and / or high molecular weight emulsifier component (D): water

The emulsified cleansing cosmetics preferably further contain the following component (E).
Ingredient (E): Multihydric alcohol

The emulsified cleansing cosmetic is preferably for wiping.

The present invention also provides a sheet cosmetic containing the sheet substrate and the emulsified cleansing cosmetic impregnated in the sheet substrate.

According to the emulsified cleansing cosmetic of the present invention, the cleansing effect is excellent, and the skin after cleansing is given an emollient feeling (no feeling of dryness), while the sliminess and stickiness are suppressed. For this reason, cleansing can be performed without washing off by wiping, so that makeup can be easily removed in a short time. Further, by impregnating the sheet base material with the emulsified cleansing cosmetic of the present invention to obtain a sheet cosmetic, a sheet cosmetic having the effect of the emulsified cleansing cosmetic of the present invention can be obtained.

The present invention provides an emulsified cleansing cosmetic. The present invention also provides a sheet cosmetic containing the sheet base material and the emulsified cleansing cosmetic of the present invention impregnated in the sheet base material. In the present specification, the sheet cosmetics may be referred to as "sheet cosmetics of the present invention". The sheet cosmetics of the present invention may contain components other than the sheet base material and the emulsified cleansing cosmetics impregnated in the sheet base material.

1. 1. Emulsifying Cleansing Cosmetic The emulsifying cleansing cosmetic of the present invention is at least one type of silicone selected from the group consisting of cyclic silicone and dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 0.5 to ³ mm ² / s as essential components. Oil; at least one silicone oil selected from the group consisting of caprylyl methicone and dimethylpolysiloxane having a kinematic viscosity at 25 ° C of 5-10 mm ² / s; hydrocarbon oil with a flammability of 35-110 ° C; nonion Contains at least a surfactant and / or a polymeric emulsifier; and water. In the present specification, the above-mentioned "at least one silicone oil selected from the group consisting of cyclic silicone and dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 0.5 to ³ mm ² / s" is referred to as "component (A1)". It may be called. Further, the above-mentioned "at least one silicone oil selected from the group consisting of caprylyl methicone and dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 5 to 10 mm ² / s" may be referred to as "component (A2)". .. Further, the above-mentioned "hydrocarbon oil having a flash point of 35 to 110 ° C." may be referred to as "component (B)". Further, the above-mentioned "nonionic surfactant and / or polymer emulsifier" may be referred to as "component (C)". In addition, the water may be referred to as "component (D)".

Further, the emulsified cleansing cosmetic of the present invention preferably contains a polyhydric alcohol. In the present specification, the polyhydric alcohol may be referred to as "ingredient (E)".

That is, the emulsified cleansing cosmetic of the present invention contains at least the component (A1), the component (A2), the component (B), the component (C), and the component (D). The emulsified cleansing cosmetic of the present invention preferably contains the component (E). Further, the emulsified cleansing cosmetic of the present invention may contain components (other components) other than the components (A1) to (E). In addition, each component contained in the emulsified cleansing cosmetic of the present invention, for example, component (A1), component (A2), component (B), component (C), component (D), component (E), and other components. As each component, only one kind may be used, or two or more kinds may be used.

[Ingredient (A1)]
The component (A1) is at least one silicone oil selected from the group consisting of cyclic silicones and dimethylpolysiloxane (dimethicone) having a kinematic viscosity of 0.5 to ³ mm ² / s at 25 ° C. As the component (A1), only one kind may be used, or two or more kinds may be used.

The component (A1) is a highly volatile silicone oil. The above component (A1) is a component that mainly exerts a cleansing effect, and is particularly excellent in a cleansing effect on a waterproof type make-up cosmetic containing a silicone oil. In addition, the feeling of use is light, and it is difficult for the skin to become sticky or sticky after cleansing. In the present specification, among the above components (A1), cyclic silicone oil is "component (a11)", and dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 0.5 to ³ mm ² / s is "component (a12)". ) ”. As the above component (A1), only one kind may be used, or two or more kinds may be used respectively.

Examples of the component (a11) include cyclic silicones such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and methylcyclopolysiloxane. Among them, cyclic silicone having 4 to 8 silicon atoms is preferable, and decamethylcyclopentasiloxane is more preferable, from the viewpoint of excellent cleansing effect.

The kinematic viscosity of the above component (a12) at 25 ° C. is 0.5 to ³ mm ² / s from the viewpoint of excellent cleansing effect. The kinematic viscosity is a value measured based on JIS K 2283.

The content ratio of the above component (A1) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but 0.1% by mass or more is preferably 0.1% by mass with respect to 100% by mass of the emulsified cleansing cosmetic of the present invention. 5% by mass or more is more preferable, and 1.0% by mass or more is further preferable. When the content ratio is 0.1% by mass or more, the cleansing effect, particularly the cleansing effect for makeup cosmetics containing silicone oil can be further improved. The content ratio of the above component (A1) is the total content ratio of all the components (A1) in the emulsified cleansing cosmetic of the present invention.

[Ingredient (A2)]
The component (A2) is at least one silicone oil selected from the group consisting of caprylyl methicone and dimethylpolysiloxane having a kinematic viscosity of 5-10 mm ² / s at 25 ° C. As the component (A2), only one kind may be used, or two or more kinds may be used.

The component (A2) is a silicone oil that exhibits more volatile volatility than the component (A1). The above component (A2) has a certain degree of cleansing effect, and also has an effect of reducing the dry feeling (so-called dryness) of the skin after cleansing. In the present specification, among the above components (A2), caprylyl methicone is referred to as "component (a21)", and dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 5 to 10 mm ² / s is referred to as "component (a22)". It may be called. As the above component (A2), only one kind may be used, or two or more kinds may be used respectively.

The above component (a21) is caprylyl methicone. The above component (a21) is represented by INCI name: Caprylyl Meticone (Caprylyl methicone). As the component (a21), the compound of the following formula (1) is preferable.

Kinematic viscosity at 25 ° C. of the components (a22), from the viewpoint of reducing the dryness of the skin is 5 to 10 mm ² / s, preferably from 5 to 7 mm ² / s. The kinematic viscosity is a value measured based on JIS K 2283.

The content ratio of the above component (A2) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but is preferably 8.0% by mass or less with respect to 100% by mass of the emulsified cleansing cosmetic of the present invention. When the content ratio is 8.0% by mass or less, the absence of stickiness and stickiness can be further reduced. The content ratio of the above component (A2) is the total content ratio of all the components (A2) in the emulsified cleansing cosmetic of the present invention.

[Component (B)]
The component (B) is a hydrocarbon oil having a flash point of 35 to 110 ° C. The above-mentioned component (B) is a highly volatile hydrocarbon oil, and is a component that exerts an excellent cleansing effect together with the above-mentioned component (A1) in the emulsified cleansing cosmetic of the present invention. For example, it has an excellent cleansing effect on waterproof type makeup cosmetics containing a wax) component. In addition, the feeling of use is light, and it is difficult for the skin to become sticky or sticky after cleansing. As the component (B), only one kind may be used, or two or more kinds may be used respectively.

Examples of the component (B) include isoparaffin, light isoparaffin, light liquid isoparaffin, hydrogenated polyisobutene, hydrogenated (tetradecenyl / methylpentadecene), isododecane, and (C13-15) alkane [INCI name: C13-15 ALKane]. And so on.

The flash point of the component (B) is 35 to 110 ° C., preferably 40 to 90 ° C., and more preferably 40 to 70 ° C. from the viewpoint of excellent cleansing effect and stickiness suppressing effect. The flash point can be measured based on the method of JIS K 2265.

As the above component (B), a commercially available product can be used. Examples of commercially available hydrogenated polyisobutene products include the product name "Marcazole R" (manufactured by Maruzen Petrochemical Co., Ltd.), the product name "IP Solvent 1620" (manufactured by Idemitsu Kosan Co., Ltd.), and the product name "Pearl Ream 3" (NOF). (Made by Oil Co., Ltd.) and the like. Examples of commercially available hydrogenated products (tetradecenyl / methylpentadecene) include the trade name "SMART5" (manufactured by Nikko Chemicals Co., Ltd.). Examples of commercially available products of isododecane include the trade name "Creasil ID CG" (manufactured by CIT Sal). (C13-15) Examples of commercially available products of alkanes include the trade name "NEOSSANCE HEMISQUALANE" (manufactured by Aprinnova).

The content ratio of the above component (B) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but is preferably 0.1% by mass or more, preferably 0.3% by mass, based on 100% by mass of the emulsified cleansing cosmetic of the present invention. It is more preferably mass% or more, and further preferably 0.5 mass% or more. When the content ratio is 0.1% by mass or more, the cleansing effect, particularly the cleansing effect on makeup cosmetics containing a hydrocarbon-based component can be further improved. The content ratio of the above component (B) is the total content ratio of all the components (B) in the emulsified cleansing cosmetic of the present invention.

The total content ratio of the above component (A1) and the above component (B) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but is 0.5 mass with respect to 100% by mass of the emulsified cleansing cosmetic of the present invention. % Or more is preferable, 3.0% by mass or more is more preferable, 4.0% by mass or more is further preferable, 25.0% by mass or less is preferable, 20.0% by mass or less is more preferable, and 15.0% by mass or less. Is even more preferable. When the total content ratio of the component (A1) and the component (B) is 0.5% by mass or more, the cleansing effect is further enhanced. When the total content ratio of the component (A1) and the component (B) is 25.0% by mass or less, the feeling of dryness can be further suppressed.

The mass ratio of the component (A2) to the total of the component (A1) and the component (B) [component (A2) / {component (A1) + component (B)}] is not particularly limited, but gives a feeling of dryness. From the viewpoint of further suppressing, 0.05 or more is preferable, 0.15 or more is more preferable, and 0.20 or more is further preferable.

[Component (C)]
The component (C) is a nonionic surfactant and / or a polymer emulsifier. In the present specification, the nonionic surfactant may be referred to as "component (c1)" and the polymer emulsifier may be referred to as "component (c2)". The component (C) has a function of forming an emulsifier type as an emulsifier. As the component (C), only one kind may be used, or two or more kinds may be used respectively.

Examples of the component (c1) include polyoxyethylene fatty acid ester, polyoxyethylene alkyl ether, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycerin fatty acid ester, monoglycerin fatty acid ester, polyglycerin fatty acid ester, and polyoxyethylene fatty acid amide. Examples thereof include sorbitan fatty acid ester, polyoxyethylene sorbit beetle, polyoxyethylene hydrogenated castor oil, polyoxyethylene castor oil, polyoxyethylene lanolin, polyoxyethylene lanolin alcohol, polyoxyethylene sorbitol lanolin, and dimethyllaurylamine oxide. As the above component (c1), only one kind may be used, or two or more kinds may be used respectively.

Among these, in the present invention, the component (c1) is preferably at least one selected from the group consisting of polyoxyethylene glycerin fatty acid ester and polyglycerin fatty acid ester.

Examples of the polyoxyethylene glycerin fatty acid ester include polyoxyethylene (capryl / capric acid) glyceryl, polyoxyethylene coconut oil fatty acid glycerin, polyoxyethylene glyceryl monooleate, polyoxyethylene glyceryl monomyristic acid, and monostearic acid. Examples thereof include polyoxyethylene glyceryl, polyoxyethylene glyceryl monoisostearate, polyoxyethylene glyceryl diisostearate, and polyoxyethylene glyceryl triisostearate.

The number of moles of ethylene oxide added in the polyoxyethylene glycerin fatty acid ester is not particularly limited, but is preferably 4 or more, more preferably 6 or more, preferably 100 or less, and more preferably 40 or less. When the number of moles of ethylene oxide added to the polyoxyethylene glycerin fatty acid ester is not less than the above lower limit and not more than the above upper limit, the storage stability of the emulsified cleansing cosmetic of the present invention is further improved.

As the polyoxyethylene glycerin fatty acid ester, a commercially available product can be used. Commercially available products of polyoxyethylene glyceryl monoisostearate include, for example, the trade name "Brownon RGL-5MISE" (number of moles of ethylene oxide added: 5) and the trade name "Brownon RGL-8MISE" (number of moles of ethylene oxide added: 8). , Product name "Brownon RGL-10MISE" (number of moles of ethylene oxide added: 10), and product name "RGL-20MISE" (number of moles of ethylene oxide added: 20) (all manufactured by Aoki Oil & Fat Industry Co., Ltd.), and products. Name "GWIS-108" (number of moles of ethylene oxide added: 8), trade name "EMALEX GWIS-120" (number of moles of ethylene oxide added: 20), and trade name "EMALEX GWIS-160" (number of moles of ethylene oxide added:: 60) (above, Nippon Emulsion Co., Ltd.) and the like. Commercially available products of polyoxyethylene glyceryl diisostearate include, for example, trade name "GWIS-210" (number of moles of ethylene oxide added: 10), trade name "EMALEX GWIS-220" (number of moles of ethylene oxide added: 20), and products. Examples thereof include the name "EMALEX GWIS-230" (number of moles of ethylene oxide added: 30) and the trade name "EMALEX GWIS-260" (number of moles of ethylene oxide added: 60) (all manufactured by Nippon Emulsion Co., Ltd.).

Examples of the polyglycerin fatty acid ester include hexaglyceryl monomyristate, decaglyceryl monostearate, decaglyceryl monoisostearate, decaglyceryl monooleate, decaglyceryl monolinoleate, decaglyceryl monocaprate, and decaglyceryl monolaurate. , Decaglyceryl monomyristate, decaglyceryl diorainate, decaglyceryl distearate, decaglyceryl diisostearate, pentaglyceryl monolaurate, pentaglyceryl diolaeate, hexaglyceryl monocaprylate, triglyceryl monocaprylate, poly monolaurate (4 ~ 10) Glyceryl, poly monostearate (2 to 10) glyceryl, poly diisostearate (2 to 10) glyceryl, poly monooleate (2 to 10) glyceryl and the like can be mentioned.

The HLB (Hydrophile-Lipophilic Balance) value of the above component (c1) is not particularly limited, but from the viewpoint of emulsion stability, a preferable lower limit value is 7 or more, more preferably 8 or more, and a preferable upper limit value is 16 or less. More preferably, it is 15 or less. The HLB value can be calculated by the Griffin method.

Examples of the component (c2) include acrylic acid / alkyl methacrylate copolymers containing (meth) acrylic acid and alkyl (meth) acrylate as constituent units.

The acrylic acid / alkyl methacrylate copolymer is mainly a copolymer of acrylic acid and alkyl methacrylate (for example, having a total carbon number of 10 to 30 (C10 to C30)). The component (c2) is not particularly limited, but is referred to as "ACRYLATES / C10-30 ALKYL ACRYLATE CROSSPOLYMER" ((Acrylate / CROSSPOLYMER)) and alkyl (C) Examples include the listed compounds.

A commercially available product can be used for the above component (c2). Commercially available products of the acrylic acid / alkyl methacrylate copolymer include, for example, the product name "PEMULEN TR-1", the product name "PEMULEN TR-2", the product name "carbomer 1342", and the product name "carbomer 1382". , And the product name "ETD2020" (above, LUBRIZOL) and the like.

In the above component (c2), the hydrophobic alkyl moiety dissolves in the oil droplets, and at the same time, the polycarboxylic acid moiety, which is a hydrophilic group, forms a hydrated gel around the oil droplets to coalesce the oil droplets. By preventing this, the emulsified state can be stabilized even in the state of relatively large oil droplets. As a result, unlike the case of HLB emulsification that forms high-strength micelles, the hydrated gel is easily crushed by the coating pressure at the time of coating, and oil is efficiently released, so that the cleansing effect is effectively exhibited. ..

As the component (C), only one of the component (c1) and the component (c2) may be used, or the component (c1) and the component (c2) may be used in combination. .. From the viewpoint of releasing the oil more efficiently, the component (C) preferably contains at least the component (c2). Further, by using the above component (c1) and the above component (c2) in combination, the above component (c2) can be used as an emulsifying aid while the above component (c2) keeps the particle size of the oil droplet relatively large. The component (C) preferably contains the above component (c1) and the above component (c2) because it works and can form a stable emulsification system.

The content ratio of the above component (C) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but is preferably 0.05% by mass or more with respect to 100% by mass of the emulsified cleansing cosmetic of the present invention, and is 0.3. It is more preferably mass% or more, preferably 5.0 mass% or less, and more preferably 3.0 mass% or less. When the content ratio is 0.05% by mass or more, the emulsion stability can be enhanced while maintaining the effect of efficiently releasing the oil content. As a result, the cleansing effect is further enhanced. When the content ratio is 5.0% by mass or less, it becomes easy to further improve the storage stability while suppressing stickiness and sliminess, and to appropriately reduce the viscosity of the emulsified cleansing cosmetic of the present invention. The content ratio of the above component (C) is the total content ratio of all the components (C) in the emulsified cleansing cosmetic of the present invention.

The content ratio of the above component (c1) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but from the viewpoint of emulsification stability, 0.04% by mass with respect to 100% by mass of the emulsified cleansing cosmetic of the present invention. The above is preferable, 0.05% by mass or more is more preferable, 0.2% by mass or more is further preferable, 0.5% by mass or more is further preferable, 5.0% by mass or less is preferable, and 4.5% by mass or less. Is more preferable, and 2.5% by mass or less is further preferable.

The content ratio of the above component (c2) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but is preferably 0.01% by mass or more, preferably 0.05% by mass or more, based on 100% by mass of the emulsified cleansing cosmetic of the present invention. It is more preferably mass% or more, preferably 0.2 mass% or less, and more preferably 0.15 mass% or less. When the content ratio is 0.01% by mass or more, the emulsion stability is further improved. When the above content ratio is 0.2% by mass or less, the impregnation property to the cotton or the like when it is used by impregnating it into the cotton or the like and the impregnation property to the sheet base material when it is used as a sheet cosmetic are high. Further improve.

[Component (D)]
The water as the component (D) is not particularly limited, but purified water is preferable.

The content ratio of the above component (D) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but is preferably 50.0% by mass or more, preferably 60.0% by mass, based on 100% by mass of the emulsified cleansing cosmetic of the present invention. More preferably, it is 90.0% by mass or less, more preferably 85.0% by mass or less.

(Other ingredients)
[Component (E)]
The component (E) is a polyhydric alcohol. From the viewpoint of enhancing the moisturizing feeling of the emulsified cleansing cosmetic of the present invention, it is preferable to contain the above component (E). Further, when it is used as a sheet cosmetic, the effect of alleviating skin irritation at the time of wiping can be obtained.

The component (E) is not particularly limited, but is limited to ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, isoprene glycol, 1,3-butylene glycol, and 1,2-butane. Glycol compounds such as diols, 1,2-pentanediol, 1,2-hexanediol, 1,2-octanediol, 1,2-decanediol; glycerin compounds such as glycerin, diglycerin, polyglycerin; xylitol, trehalose, Examples thereof include sugar alcohols such as martitol, mannitol, sorbitol, erythritol, arabitol, ribitol, galactitol, and glycolitol.

The component (E) is preferably at least one selected from the group consisting of isoprene glycol, 1,3-butylene glycol, glycerin, dipropylene glycol, and sorbitol from the viewpoint of improving the moisturizing feeling. Further, from the viewpoint of further improving the effect of suppressing sliminess and stickiness in addition to the moisturizing feeling, it is particularly preferable that the component (E) contains isoprene glycol.

The content ratio of the above component (E) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but is preferably 0.5% by mass or more with respect to 100% by mass of the emulsified cleansing cosmetic of the present invention, 2.0. It is more preferably mass% or more, preferably 20.0 mass% or less, and more preferably 15.0 mass% or less. When the content ratio is 0.5% by mass or more, the moisturizing feeling is further improved. In addition, the irritation to the skin is further alleviated. When the content ratio is 20.0% by mass or less, the effect of suppressing sliminess and stickiness after cleansing becomes even better. The content ratio of isoprene glycol in the emulsified cleansing cosmetic of the present invention is not particularly limited, but is preferably 0.5% by mass or more, more preferably 2.0% by mass or more, and preferably 20.0% by mass or less. More preferably, it is 0.0% by mass or less.

The emulsified cleansing cosmetic of the present invention is an amphoteric surfactant, a cationic surfactant, an anionic surfactant, a lower alcohol, a fat or oil, a fatty acid ester, a higher alcohol, or a higher grade, as long as the effect of the present invention is not impaired. It may contain other components such as fatty acids, preservatives, refreshing agents, antioxidants, metal sequestering agents, vitamins, animal and plant extracts, pearling agents, pH regulators, and colorants. As these other components, only one kind may be used, or two or more kinds may be used.

The emulsified cleansing cosmetic of the present invention may contain ethanol from the viewpoint of imparting antiseptic properties and quick-drying properties. The content ratio of ethanol in the emulsified cleansing cosmetic of the present invention is not particularly limited, but is preferably 0% by mass or more (including unused) with respect to 100% by mass of the emulsified cleansing cosmetic of the present invention, 2.0. It is more preferably mass% or more, preferably 10.0 mass% or less, and more preferably 8.0 mass% or less.

The content ratio of the above-mentioned component (A1), the above-mentioned component (A2), and the oil-based component other than the above-mentioned component (B) in the emulsified cleansing cosmetic of the present invention is not particularly limited, but from the viewpoint of further suppressing stickiness, from the viewpoint of further suppressing stickiness. With respect to the emulsified cleansing cosmetic of the present invention, 5.0% by mass or less is preferable, and 3.0% by mass or less is more preferable. Examples of oily components other than the above component (A1), the above component (A2), and the above component (B) include fats and oils, higher fatty acids, fatty acid esters, higher alcohols, the above component (A1) and the above component (A2). Silicone oil, hydrocarbon oils other than the above component (B), and the like.

The emulsified cleansing cosmetic of the present invention can be produced by a conventional method. For example, a method in which each of the above components is mixed and a known method, specifically, a method of stirring with a disper mixer, a homo mixer, a disper mill or the like to emulsify the components can be mentioned.

The emulsified cleansing cosmetic of the present invention is a cleansing cosmetic used for the purpose of removing makeup. The emulsified cleansing cosmetic of the present invention is preferably emulsion.

The emulsified cleansing cosmetic of the present invention is used as, for example, cosmetics, quasi-drugs, pharmaceuticals, miscellaneous goods and the like. The site to which the emulsified cleansing cosmetic of the present invention is applied is not particularly limited, but 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 emulsified cleansing cosmetic of the present invention has an excellent cleansing effect, and gives a good skin feel with suppressed sliminess and stickiness while giving an emollient feeling (no feeling of dryness) to the skin after cleansing. be able to. Therefore, it is not necessary to wash off or further wash the face after cleansing. The emulsified cleansing cosmetic of the present invention is preferably a cleansing cosmetic for wiping, and preferably a cleansing cosmetic that does not wash away.

As a wiping method using the emulsified cleansing cosmetic of the present invention, for example, a method of impregnating a sheet such as cotton with the emulsified cleansing cosmetic of the present invention and wiping it off to remove stains such as makeup, or emulsification of the present invention. An example is a method in which a cleansing cosmetic is applied to a part such as make-up to be cleaned and blended, and then wiped off with a sheet such as cotton. Further, a sheet cosmetic prepared by impregnating a sheet base material such as a non-woven fabric with the emulsified cleansing cosmetic of the present invention in advance may be used.

2. 2. Sheet cosmetics Sheet cosmetics can be obtained by impregnating the sheet base material with the emulsified cleansing cosmetic of the present invention. That is, the sheet cosmetic contains the sheet base material and the emulsified cleansing cosmetic of the present invention impregnated in the sheet base material. The sheet cosmetics of the present invention may contain components other than the sheet base material and the emulsified cleansing cosmetics of the present invention. As the sheet cosmetic, for example, a sheet cosmetic for the face (cleansing sheet) is preferable.

The sheet base material is a sheet-like support that can be impregnated with the emulsified cleansing cosmetic of the present invention. As the sheet base material, a woven fabric or a non-woven fabric is preferable. The sheet base material may be a laminated body (that is, a laminated sheet), and may be, for example, a laminated body of a woven fabric, a laminated body of a non-woven fabric, a laminated body of a woven fabric and a non-woven fabric, or the like. The sheet base material preferably contains a non-woven fabric, and more preferably a non-woven fabric, from the viewpoint of usability, ease of processing, and the like.

Examples of the non-woven fabric include spunbond non-woven fabric, spunlace non-woven fabric, thermal bond non-woven fabric, needle punch non-woven fabric, stitch bond non-woven fabric and the like.

The fibers constituting the woven fabric or the non-woven fabric are not particularly limited, and examples thereof include natural fibers, synthetic fibers, and semi-natural fibers. Examples of the natural fiber include cotton, pulp, silk, cellulose, hemp, linter and the like. Examples of the synthetic fiber include nylon fiber, polyester fiber (for example, polyethylene terephthalate fiber, polybutylene terephthalate fiber, etc.), acrylic fiber, polyolefin fiber (for example, polypropylene fiber, polyethylene fiber, etc.), ethylene-vinyl alcohol copolymer fiber, and the like. Can be mentioned. Examples of the semi-natural fiber include rayon and acetate. As the fiber, only one kind may be used, or two or more kinds may be used. Further, a blended fiber composed of two or more kinds of the above fibers may be used.

The sheet base material may be embossed. The embossing process is not particularly limited, and for example, a method of pushing up the back surface to float (therefore the back surface is dented) or a method of forming a convex portion by adhering a special ink to the front surface (the back surface is not dented). And so on.

The basis weight of the sheet base material is not particularly limited, but is preferably ²⁰ to 100 g / m ² , and more preferably 25 to 80 g / m ² . When the basis weight is within the above range, the sheet base material does not curl when wiping the skin, and the feeling of use is excellent. In addition, the amount of emulsified cleansing cosmetic impregnated per unit area of sheet cosmetic is increased.

The sheet base material can be produced by a known or conventional manufacturing method depending on the type of woven fabric, non-woven fabric, or the like. Further, as the sheet base material, a commercially available product can also be used.

The mass ratio of the emulsified cleansing cosmetic of the present invention impregnated with respect to the sheet base material in the sheet cosmetic of the present invention is not particularly limited, but is 100 to 1000 parts by mass with respect to 100 parts by mass of the sheet base material. It is preferably, more preferably 150 to 700 parts by mass.

The shape of the sheet cosmetic of the present invention is sheet-like. As a result, it is excellent in usability in a usage form for wiping the skin (skin) and also in portability. The planar shape of the sheet is not particularly limited, but for example, a quadrangle (for example, a square, a rectangle, etc.), a polygon such as a triangle; a circle, an ellipse, a semicircle; a crescent shape; a barrel shape; a drum shape; a character shape, etc. Can be mentioned. Above all, a quadrangle is preferable from the viewpoint of productivity, usability and packing property. The sheet cosmetic of the present invention may be molded with a notch, a hollow, an uneven portion, or the like. One side of the surface area of the sheet of the sheet cosmetic of the present invention is not particularly limited, usability, portability, from the viewpoint of packaging properties, preferably 100～3000Cm ^2, more preferably 150~1000cm ^2.

The sheet cosmetics of the present invention are preferably stored in a packaging container from the viewpoints of preventing drying, portability when going out, handleability during use, and the like. The sheet cosmetics of the present invention may be individually packaged individually, or even if a plurality of sheet cosmetics of the present invention are stored in the same packaging container from the viewpoint of production cost, production efficiency, etc. Good. The number of sheet cosmetics of the present invention stored in one packaging container is not particularly limited, but is preferably 1 to 50 sheets (1/1 packaging container). The sheet cosmetic of the present invention is preferably folded in half, folded in three, folded in four, or the like and stored in a packaging container.

Examples of the packaging container include a bag body (packaging bag) and a box-shaped container. The packaging container is preferably one capable of suppressing volatilization of the emulsified cleansing cosmetic of the present invention. The material of the packaging container is not particularly limited, and examples thereof include resins such as polyethylene terephthalate (PET), polyethylene (PE), and polypropylene (PP); and metals such as aluminum. As the packaging container, a resin packaging container (particularly, a packaging bag) in which a metal layer is laminated or vapor-deposited on the surface is preferable, and aluminum vapor deposition is more preferable on the surface, from the viewpoint of being lightweight and having an excellent anti-volatile effect. It is a packaging bag made of resin.

The sheet cosmetic of the present invention can be produced by impregnating the sheet base material with the emulsified cleansing cosmetic of the present invention. The method of impregnating the sheet base material with the emulsified cleansing cosmetic of the present invention is not particularly limited. For example, a method of injecting and impregnating the emulsified cleansing cosmetic of the present invention into the folded sheet base material, the sheet base material. A method of spraying the emulsified cleansing cosmetic of the present invention, a method of impregnating the sheet base material with the emulsified cleansing cosmetic of the present invention using a printing method, a method of immersing the sheet base material in the emulsified cleansing cosmetic of the present invention, etc. Can be mentioned.

The sheet cosmetic of the present invention is used for wiping the skin (skin). The part to be wiped off by the sheet cosmetic of the present invention is not particularly limited, and for example, the face (for example, forehead, eyes, eyes, cheeks, mouth, etc.), arms, elbows, back of hands, fingertips, feet, knees, heels, etc. Neck, armpits, back, etc. Examples of the sheet cosmetic of the present invention include a makeup remover sheet (cleansing sheet) and the like. The sheet cosmetics of the present invention may be, for example, cosmetics, quasi-drugs, pharmaceuticals, or miscellaneous goods.

The method of using the sheet cosmetic of the present invention is not particularly limited, and examples thereof include a method of wiping off stains on the skin, old keratin, sebum, makeup stains, and the like. The sheet cosmetic of the present invention is excellent in cleansing effect only by wiping on the skin, and suppresses sliminess and stickiness while giving emollient feeling (no dry feeling) to the skin after cleansing. Therefore, it is preferable to use a wiping sheet cosmetic (for example, a cleansing sheet) that is used by wiping the skin.

The emulsified cleansing cosmetic of the present invention comprises a highly volatile silicone oil (the above component (A1)) selected from cyclic silicone and dimethylpolysiloxane having a low kinematic viscosity, and a highly volatile hydrocarbon oil (the above component (the above component (the above component)). By containing B)), it has an excellent cleansing effect. In particular, it has an excellent cleansing effect on both types of makeup cosmetics, one containing a silicone oil and the other containing a hydrocarbon compound.
However, when only the highly volatile oil as described above is used as the oil, there is a problem that excessive degreasing occurs after wiping and a strong feeling of dryness (dryness) occurs. On the other hand, in the emulsified cleansing cosmetic of the present invention, the above component (A2), which is a silicone oil having a volatilization rate slower to some extent than the above component (A1) and the above component (B), is used in combination. Even after the volatilization of A1) and the above component (B), the above component (A2) was made to remain to some extent, and the feeling of dryness was successfully suppressed. Moreover, since the volatilization rate of the above component (A2) is not too slow, it is possible to suppress the occurrence of sliminess and stickiness due to the residual oily component, and to give a moisturizing feeling while suppressing the oiliness. Achieved a feeling.
Further, by containing the above component (C) which is an emulsifier, a fresh oil-in-water emulsified cleansing cosmetic can be obtained. Above all, when a polymer emulsifier (the above component (c2)) is used as the above component (C) (more preferably, when the above component (c1) and the above component (c2) are used in combination), emulsified particles containing oil are used. It is possible to form an emulsification system that exerts a cleansing effect more effectively by stably controlling the size to an appropriate size and releasing oil by applying pressure. As a result, the emulsified cleansing cosmetic of the present invention has a high cleansing effect like oil cleansing, even though it is a fresh oil-in-water emulsified cleansing cosmetic.

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.

The emulsified cleansing cosmetics of Examples and Comparative Examples were prepared by a conventional method according to the composition shown in Table 1. Further, the emulsified cleansing cosmetic is impregnated into the spunlace non-woven fabric (grain: 40 g / m ² ) so that the mass ratio of the spunlace non-woven fabric and the emulsified cleansing cosmetic is 1: 4.5. A sheet cosmetic of a comparative example was prepared.

The main components listed in the table are as follows.

<Ingredient (A1)>
Dimethicone (kinematic viscosity at 25 ° C, 1.5 mm ² / s): trade name "DOWNSIL SH200 C Fluid 1.5 cSt", Dimethicone manufactured by Dow Toray Co., Ltd. (kinematic viscosity at 25 ° C, 1 mm ² / s): trade name "DOWNSIL" SH200 C Fluid 1cSt ”, Dimethicone manufactured by Dow Toray Co., Ltd. (kinematic viscosity at 25 ° C. 2 mm ² / s): Product name“ DOWNSIL SH200 C Fluid 2cSt ”, Cyclopentasiloxane manufactured by Dow Toray Co., Ltd .: Product name“ TSF405 ” , Momentive Performance Materials Japan LLC, Decamethylcyclopentasiloxane <Ingredient (A2)>
Dimethicone (kinematic viscosity at 25 ° C. 5 mm ² / s): Product name "DOWNSIL SH200 C Fluid 5cSt", Dow Corning Toray Co., Ltd. Caprilyl methicone: Product name "SILSOFT 034", Momentive Performance Materials Japan LLC Dimethicone manufactured (kinematic viscosity at 25 ° C. 10 mm ² / s): Product name "DOWNSIL SH200 C Fluid 10 cSt", manufactured by Dow Toray Co., Ltd. <Ingredient (B)>
Light isoparaffin (flash point 49 ° C): Product name "Marcazole R", manufactured by Maruzen Petrochemical Co., Ltd. Light iso paraffin (flash point 61 ° C): Product name "Pearl Ream 3", manufactured by NOF Corporation Light fluid isoparaffin (flash point) 96 ° C): Product name "Pearl Ream 4", manufactured by NOF CORPORATION (C13-15) Alcan (flash point 110 ° C): Product name "NEOSSANCE HEMIQUALANE", manufactured by Aprinnova <Ingredient (C)>
PEG-20 glyceryl isostearate: trade name "Brownon RGL-20MISE", manufactured by Aoki Yushi Kogyo Co., Ltd. (Acrylate / alkyl acrylate (C10-30)) Cross polymer: trade name "PEMULEN TR-2", capril manufactured by LUBRIZOL Polyglyceryl acid-3: Product name "TEGO Cosmo P 813", manufactured by EVONIK <Other ingredients>
Dimethicone (kinematic viscosity at 25 ° C. 50 mm ² / s): Product name "DOWNSIL SH200 C Fluid 50 cSt", Dow Toray Co., Ltd. Light isoparaffin (flash point 140 ° C.): Product name "Pearl Ream EX", Nichiyu Co., Ltd. Liquid paraffin (flash point 185 ° C): trade name "CARNATION", manufactured by Sonneborn Inc.

<Evaluation method>
Each sheet cosmetic obtained in Examples and Comparative Examples was evaluated as follows. The evaluation results are shown in Table 1.

(1) Cleansing power A commercially available silicone-based waterproof mascara and a commercially available hydrocarbon-based waterproof mascara are applied to artificial skin (trade name "Bioskin Plate", white, manufactured by Bureaux Co., Ltd.) at 25 ° C. After leaving it in the environment for 3 hours, it was used for evaluation. The artificial skin to which the mascara was applied was rubbed 10 times with each sheet cosmetic of Examples and Comparative Examples, and the degree of removal of mascara was visually observed according to the following criteria.
[Criteria for cleansing power]
○○ (excellent): Both silicone-based waterproof mascara and hydrocarbon-based waterproof mascara were completely removed.
◯ (Good): Both the silicone-based waterproof mascara and the hydrocarbon-based waterproof mascara were removed to the extent that a slight amount remained. Alternatively, one was completely removed and the other was slightly removed.
X (defective): At least one of the silicone-based waterproof mascara and the hydrocarbon-based waterproof mascara clearly remained.

(2) No feeling of dryness, no sliminess / stickiness With the sheet cosmetics of the examples and comparative examples, the cheeks were rubbed 5 times one way, left in an environment of 25 ° C for 10 minutes, and then the cheeks. The dryness of the skin and the lack of sliminess and stickiness were evaluated according to the following criteria. The evaluation was carried out 3 minutes after washing the face with a pump former facial cleanser and drying with a towel.
[Criteria for lack of dryness]
○○ (excellent): It was felt that the dryness of the skin was reduced more than before using the sheet cosmetics.
○ (Good): The lack of dryness of the skin was felt to be about the same as before using the sheet cosmetics.
× (poor): The skin felt drier than before using the sheet cosmetics.
[Criteria for non-stickiness / non-stickiness]
○○ (excellent): No stickiness or stickiness was felt at all.
○ (Good): Although it felt slimy and sticky, it was practically acceptable.
× (defective): Stickiness and stickiness were strongly felt, and it was practically unpleasant.

The emulsified cleansing cosmetic (sheet cosmetic) of the present invention has good (〇) to excellent (〇〇) results in all of cleansing power, no dry feeling, and no sliminess / stickiness, and these functions. It was shown to combine. On the other hand, Comparative Example 1 lacks the above component (A1), but has poor cleansing power. Comparative Example 2 is an example lacking the above component (A2), but the lack of dryness was poor. Comparative Example 3 is an example lacking the above component (B), but had poor cleansing power. Comparative Example 4 is an example in which a silicone oil having a kinematic viscosity at 25 ° C. exceeding the upper limit value was blended in place of the above component (A2), but the lack of sliminess and stickiness was poor. Comparative Example 5 is an example in which a hydrocarbon oil having a flash point exceeding the upper limit is blended in place of the above component (B), but it is poor in both cleansing power and non-sliminess / stickiness. .. From the above results, the emulsified cleansing cosmetic (sheet cosmetic) of the present invention has an excellent cleansing effect and has an effect of suppressing sliminess and stickiness while giving the skin after cleansing a lack of dryness. It has been shown.

Further, a prescription example of the emulsified cleansing cosmetic of the present invention is shown below.

Formulation Example 1 Cleansing milk dimethicone (kinematic viscosity at 25 ° C: 1.5 mm ² / s) 7.0% by mass
Dimethicone (kinematic viscosity at 25 ° C: 5 mm ² / s) 2.0% by mass
Caprilyl methicone 1.0% by mass
Light isoparaffin (flash point 49 ° C) 6.0% by mass
PEG-20 glyceryl isostearate 1.5% by mass
(Acrylate / alkyl acrylate (C10-30)) Cross polymer 0.07% by mass
Polyglyceryl caprylate-3 0.5% by mass
Isoprene glycol 5.0% by mass
Glycerin 2.0% by mass
DPG 3.0% by mass
1,2-octanediol 0.1% by mass
Methylparaben 0.1% by mass
Phenoxyethanol 0.2% by mass
Ethanol 3.0% by mass
Fragrance 0.02% by mass
Phytic acid 0.15% by mass
Inositol 2.0% by mass
Potassium hydroxide Appropriate amount (amount to reach pH 6.8)
Purified water balance

Formulation Example 2 Cleansing cream Dimethicone (kinematic viscosity at 25 ° C: 1.5 mm ² / s) 7.0% by mass
Dimethicone (kinematic viscosity at 25 ° C: 5 mm ² / s) 2.0% by mass
Caprilyl methicone 1.0% by mass
Light isoparaffin (flash point 49 ° C) 3.0% by mass
Light isoparaffin (flash point 61 ° C) 2.0% by mass
2-Ethylhexyl palmitate 3.0% by mass
PEG-20 glyceryl isostearate 1.0% by mass
(Acrylate / alkyl acrylate (C10-30)) Cross polymer 0.2% by mass
Carbomer 0.1% by mass
Xanthan gum 0.05% by mass
Polyglyceryl caprylate-3 0.3% by mass
PEG-6 (caprylic acid / capric acid) glyceriz 0.2% by mass
Coconut oil fatty acid PEG-7 glyceryl 0.5% by mass
Glyceryl stearate 0.3% by mass
Polyoxyethylene sorbitan monostearate 0.5% by mass
Isoprene glycol 4.0% by mass
Glycerin 2.0% by mass
DPG 3.0% by mass
Betaine 2.0% by mass
Hyaluronic acid 0.1% by mass
Ethanol 5.0% by mass
Fragrance 0.02% by mass
Potassium hydroxide Appropriate amount (amount to reach pH 6.8)
Purified water balance

Claims (4)

An emulsified cleansing cosmetic containing the following component (A1), the following component (A2), the following component (B), the following component (C), and the following component (D).
Component (A1): At least one silicone oil selected from the group consisting of cyclic silicone and dimethylpolysiloxane having a kinematic viscosity at 25 ° C. of 0.5-3 mm ² / s. Component (A2): Caprylyl methicone and 25 ° C. At least one silicone oil component (B) selected from the group consisting of dimethylpolysiloxane having a kinematic viscosity of 5 to 10 mm ² / s: hydrocarbon oil component (C) having a flammable point of 35 to 110 ° C.: nonion. Surfactant and / or high molecular weight emulsifier component (D): water The emulsified cleansing cosmetic according to claim 1, further containing the following component (E).
Ingredient (E): Multihydric alcohol The emulsified cleansing cosmetic according to claim 1 or 2, which is for wiping. A sheet cosmetic containing the sheet base material and the emulsified cleansing cosmetic according to any one of claims 1 to 3 impregnated in the sheet base material.