JP2014001162A - Cosmetic for eyelashes - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cosmetic for eyelashes having water resistance at room temperature, excellent cosmetic keeping properties, and capable of easily and completely cleansing with warm water.SOLUTION: The cosmetic for eyelashes includes following components (A) and (B): (A) an alkyl (meth)acrylate/vinyl acetate copolymer; and (B) a dibasic acid ester compound represented by general formula (1): wherein Rrepresents an alkylene group with 2 to 4 carbon atoms which may have a substituent; Rand Rare the same or different and each represent an alkyl group with 1 to 4 carbon atoms which may have a substituent; Rand Rare the same or different and each represent a hydrogen atom, a methyl group, or an ethyl group; and m and n are the same or different, each represent an integer of 0 to 4, and satisfy m+n≥1.

Description

  The present invention relates to a vaginal cosmetic.

In mascara, both makeup durability and cleansing properties are required to be cleansed with warm water while having water resistance.
For example, Patent Document 1 describes a vaginal cosmetic containing a film forming agent containing a copolymer having at least one of methyl methacrylate, methacrylic acid, or acrylic acid and a monomer unit of urethane acrylate, It is described that it has high tackiness to wrinkles.
Patent Document 2 discloses an oil-in-water cosmetic for cosmetics containing an alkyl acrylate / vinyl acetate copolymer emulsion, an alkyl acrylate copolymer emulsion, carbon black, a polyhydric alcohol, and a specific water-soluble film-forming agent. The ingredients are described and described as having high gloss and blackness and dramatic cleansing properties against lukewarm water.

JP 2009-46517 A JP 2010-77042 A

  When the present inventor removes conventional cosmetics for salmon, it is strongly rubbed at the time of cleansing. I found it.

  The present invention relates to a vaginal cosmetic that is water resistant at room temperature, has excellent makeup persistence, and can be quickly and cleanly removed during cleansing with warm water.

  The present inventor has found that the use of a combination of an alkyl (meth) acrylate / vinyl acetate copolymer and an ester compound of a specific dibasic acid provides a vaginal cosmetic that solves the above problems.

The present invention includes the following components (A) and (B):
(A) (meth) alkyl acrylate / vinyl acetate copolymer,
(B) The following general formula (1)

[Wherein, R ¹ represents an optionally substituted alkylene group having 2 to 4 carbon atoms, and R ² and R ³ may be the same or different and may have a substituent of 1 carbon atom. Represents an alkyl group of ˜4, R ⁴ and R ⁵ are the same or different and represent a hydrogen atom, a methyl group or an ethyl group, m and n are the same or different and represent an integer of 0 to 4, and m + n ≧ 1 Is)
A vaginal cosmetic containing an ester compound of a dibasic acid represented by the formula:

  The vaginal cosmetics of the present invention are excellent in water resistance at room temperature (20 ° C.) without being damaged by sweat or the like, and can be quickly and cleanly removed with warm water (40 ° C.), and also have good cleansing properties. It is. It also has excellent makeup.

The component (A) alkyl (meth) acrylate / vinyl acetate copolymer used in the present invention is mainly composed of a monomer mixture containing an alkyl acrylate monomer and / or an alkyl methacrylate monomer and a vinyl acetate monomer. These are usually copolymers obtained by emulsion polymerization of these, and any of those usually used in cosmetics can be used.
The alkyl group of the alkyl (meth) acrylate may be linear or branched, preferably has 1 to 10 carbon atoms, and more preferably has 4 to 8 carbon atoms.

The component (A) alkyl (meth) acrylate / vinyl acetate copolymer has a glass transition temperature (Tg) of -10 ° C to 10 ° C, and further -5 ° C to 5 ° C. This is preferable.
The glass transition temperature (Tg) indicates a value measured by a differential scanning calorimeter.

  Component (A) can be used as a copolymer, and can also be used in the form of an emulsion or resin aqueous solution containing a copolymer after polymerization and water.

  Ingredient (A) can be used singly or in combination of two or more, has water resistance, is excellent in makeup sustainability, and is compatible with cleansing properties in warm water, the content is As a solid content, the lower limit is preferably 0.1% by mass or more, more preferably 5% by mass or more, further preferably 8% by mass or more, and the upper limit is preferably 30% by mass or less, more preferably 25% by mass or less. Preferably, 20 mass% or less is more preferable. Moreover, it is preferable to contain 0.1-30 mass% of components (A) in the whole composition, 5-25 mass% is more preferable, and it is still more preferable to contain 8-20 mass%.

The dibasic acid ester compound of component (B) used in the present invention is represented by the general formula (1).
In the general formula (1), examples of the alkylene group having 2 to 4 carbon atoms represented by R ¹ include an ethylene group, a propylene group, an isopropylene group, a butylene group, and an isobutylene group. These alkylene groups may have a substituent, and examples of the substituent include one or more selected from a hydroxyl group, an alkoxy group, an amino group, and an ester group. R ¹ is preferably an alkylene group having 2 to 4 carbon atoms which may have a hydroxyl group, and more preferably an ethylene group which may have a hydroxyl group.

Examples of the alkyl group having 1 to 4 carbon atoms represented by R ² and R ³ include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, and tert-butyl group. A methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, and an isobutyl group are preferable. These alkyl groups may have a substituent, and examples of the substituent include one or more selected from a hydroxyl group, an alkoxy group, an amino group, and an ester group. R ² and R ³ are preferably an ethyl group.
R ⁴ and R ⁵ represent a hydrogen atom, a methyl group or an ethyl group, and preferably a hydrogen atom.
Furthermore, m and n show the integer of 0-4, 1-3 are preferable and 2 or 3 is more preferable.

  The dibasic acid which comprises the dibasic acid ester compound (1) of a component (B) is a C2-C4 dibasic acid, Preferably they are malic acid, a succinic acid, tartaric acid, and adipic acid.

The dibasic acid ester compound of the component (B) is preferably a dibasic acid ester compound in which R ⁴ and R ⁵ are each a hydrogen atom in the general formula (1), for example, succinic acid bisethylene glycol ethyl ether, Succinic acid bisdiethylene glycol ethyl ether (succinic acid bisethoxydiglycol), succinic acid bistriethylene glycol ethyl ether, succinic acid bisethylene glycol propyl ether, succinic acid bisdiethylene glycol propyl ether, succinic acid bistriethylene glycol propyl ether, succinic acid bisethylene Glycol isopropyl ether, succinic acid bisdiethylene glycol isopropyl ether, succinic acid bistriethylene glycol isopropyl ether, succinic acid bisethylene glycol isobutyl Chill ether, bisdiethylene glycol isobutyl ether succinate, bistriethylene glycol isobutyl ether succinate, bisethylene glycol ethyl ether malate, bisdiethylene glycol ethyl ether malate, bistriethylene glycol ethyl ether malate, bisethylene glycol propyl ether malate, malic acid Bisdiethylene glycol propyl ether, malic acid bistriethylene glycol propyl ether, malic acid bisethylene glycol isopropyl ether, malic acid bisdiethylene glycol isopropyl ether, malic acid bistriethylene glycol isopropyl ether, malic acid bisethylene glycol isobutyl ether, malic acid bisdiethylene glycol isobuty Ether, malic acid bistriethylene glycol isobutyl ether, tartrate bisethylene glycol ethyl ether, tartrate bisdiethylene glycol ethyl ether, tartrate bistriethylene glycol ethyl ether, tartrate bisethylene glycol propyl ether, tartrate bisdiethylene glycol propyl ether, tartrate bistriethylene glycol propyl ether, Bisethylene glycol isopropyl ether tartrate, bisdiethylene glycol isopropyl ether tartrate, bistriethylene glycol isopropyl ether tartrate, bisethylene glycol isobutyl tartrate, bisdiethylene glycol isobutyl tartrate, bistriethylene glycol isobutyl tartrate, adipic acid bi Ethylene glycol ethyl ether, adipic acid bisdiethylene glycol ethyl ether, adipic acid bistriethylene glycol ethyl ether, adipic acid bisethylene glycol propyl ether, adipic acid bisdiethylene glycol propyl ether, adipic acid bistriethylene glycol propyl ether, adipic acid bisglycol isopropyl ether, Use of one or more selected from adipic acid bisdiethylene glycol isopropyl ether, adipic acid bistriethylene glycol isopropyl ether, adipic acid bisethylene glycol isobutyl ether, adipic acid bisdiethylene glycol isobutyl ether and adipic acid bistriethylene glycol isobutyl ether it can.

As the component (B), in the general formula (1), R ¹ is an optionally substituted alkylene group having 2 to 4 carbon atoms, R ² and R ³ are ethyl groups, and R ⁴ R ⁵ is a hydrogen atom, and an ester compound of a dibasic acid in which m and n each represent 2 is more preferable.

  The dibasic acid ester compound (1) of component (B) can be produced according to a known method. Usually, it can manufacture by ester condensation of a dibasic acid and poly (or mono) ethylene glycol monoether.

  Component (B) can be used alone or in combination of two or more, has water resistance, is excellent in makeup sustainability, and is compatible with cleansing properties in warm water. Is preferably 0.05% by mass or more, more preferably 0.2% by mass or more, further preferably 2% by mass or more, and the upper limit is preferably 20% by mass or less, more preferably 10% by mass or less, and 8% by mass or less. Is more preferable. Moreover, it is preferable to contain 0.05-20 mass% in a component (B) in a whole composition, 0.2-10 mass% is more preferable, there is water resistance, and 2 to 2 from the point of makeup sustainability. It is more preferable to contain 8% by mass.

  In the present invention, the mass ratio (A) / (B) of the components (A) and (B) is water resistant and excellent in makeup sustainability, and from the viewpoint of coexistence of cleansing properties with warm water, the lower limit is 1 or more is preferable, 2 or more is more preferable, 3 or more is further preferable, and the upper limit is preferably 50 or less, more preferably 25 or less, and still more preferably 10 or less. Moreover, mass ratio (A) / (B) = 1-50 is preferable, 2-25 are more preferable, and 3-10 are still more preferable.

The vaginal cosmetic of the present invention can further contain (C) phenoxyethanol or sodium dehydroacetate, and can further improve the water resistance at room temperature and the cleansing property with warm water.
As the component (C), one or two kinds selected from phenoxyethanol and sodium dehydroacetate can be used. From the viewpoint of cleansing properties in warm water, the content is 0.01% by mass in the entire composition. % Or more, more preferably 0.05% by weight or more, and the upper limit is preferably 5% by weight or less, more preferably 1% by weight or less. Moreover, it is preferable to contain 0.01-5 mass% of components (C) in the whole composition, and it is more preferable to contain 0.05-1 mass%.

The vaginal cosmetic of the present invention preferably further contains a solid fat (wax) that is usually used in cosmetics.
Solid fat (wax) refers to those having a melting point of 40 ° C. or higher and water-insoluble. Among them, those having a melting point of 60 ° C. or higher and 110 ° C. or lower are preferable, and one or more selected from animal waxes, vegetable waxes, mineral waxes and synthetic waxes can be used. More specifically, one or more selected from rice bran wax, carnauba wax, candelilla wax, sunflower seed wax, beeswax, ceresin, paraffin wax, microcrystalline wax, polyethylene wax, silicone wax and hydrogenated jojoba oil are used. Carnauba wax, candelilla wax and beeswax are preferred.

  The solid fat (wax) can be used alone or in combination of two or more, can maintain a cleansing property and water resistance, can obtain a high volume feeling, does not generate lumps during use, and has a good finish. From a certain point, in the total composition, the lower limit is preferably 1% by mass or more, more preferably 2% by mass or more, further preferably 3% by mass or more, still more preferably 4% by mass or more, and the upper limit is 50 mass% or less, 40 mass% or less is more preferable, 30 mass% or less is more preferable, and 15 mass% or less is still more preferable. The solid fat is preferably contained in the total composition in an amount of 1 to 50% by mass, more preferably 2 to 40% by mass, further preferably 3 to 30% by mass, and even more preferably 4 to 15% by mass. preferable.

The vaginal cosmetic composition of the present invention further comprises components usually used in cosmetics, for example, spherical powders such as polymethyl methacrylate powder, nylon powder, and silica; white pigment, organic pigment, inorganic pigment, iron oxide, carbon black Pigment powders such as titanium mica; powders such as bentonite, talc, kaolin, and the like, and fibers can be included to enhance the long rush effect.
Various powders are used that have been surface-treated with silicone, higher fatty acid, higher alcohol, fatty acid ester, metal soap, amino acid, alkylsilane, acrylic silicone, fluorine compound, or those encapsulated in organic or inorganic microcapsules. be able to.
One kind or two or more kinds of powders can be used, and it is preferable to contain 1% by mass or more and 10% by mass or less in the total composition.

  Moreover, the cosmetics for wrinkles of the present invention can contain various surfactants. As the surfactant, one or more selected from an anionic surfactant, a cationic surfactant, a nonionic surfactant and an amphoteric surfactant can be used.

The vaginal cosmetic of the present invention may further contain a water-soluble solvent, a film agent, an inorganic salt, an ultraviolet absorber, an ultraviolet scattering agent, a moisturizer, a dye, a fragrance, an antioxidant, a sequestering agent, and the like. it can.
Examples of the water-soluble solvent include lower alcohols having 1 to 4 carbon atoms; ethers such as ethylene glycol monoethyl ether and diethylene glycol diethyl ether; carbonate esters such as ethylene carbonate and propylene carbonate.
Examples of the film agent include water-soluble polymers such as polyvinyl alcohol, polyvinyl pyrrolidone, carboxymethyl cellulose, and starch.

  The vaginal cosmetic composition of the present invention is an oil-in-water emulsion-dispersed preparation having one or more selected from water and an aqueous solvent as a continuous phase. From the viewpoint of sex.

  The vaginal cosmetic of the present invention can be produced by uniformly mixing and stirring each component according to a normal method.

  The vaginal cosmetic of the present invention can be a mascara, a mascara base, a mascara top coat or the like, and mascara is preferred among them.

The salmon cosmetic of the present invention is an applicator usually used for mascara, for example, a brush in which fibers are twisted with a wire, an applicator having a comb shape, a coil shape, etc., a resin-molded brush formed into a brush shape using a resin, etc. Can be applied. By using such an applicator, it can be applied uniformly, so that it has water resistance, excellent makeup sustainability, and cleansing properties with warm water can be further improved. In addition, cleansing property means the washing | cleaning property or the ease of washing | cleaning of the cosmetics for glazing with warm water.
This invention discloses the following compositions further regarding embodiment mentioned above.

<1> The following components (A) and (B):
(A) (meth) alkyl acrylate / vinyl acetate copolymer,
(B) The following general formula (1)

〔式中、Ｒ¹ は置換基を有していても良い炭素数２〜４のアルキレン基を示し、Ｒ² 及びＲ³ は同一又は異なって、置換基を有していても良い炭素数１〜４のアルキル基を示し、Ｒ⁴ 及びＲ⁵ は同一又は異なって、水素原子、メチル基又はエチル基を示し、ｍ及びｎは同一又は異なって、０〜４の整数を示し、ｍ＋ｎ≧１である〕
で表される二塩基酸のエステル化合物
を含有する睫用化粧料。

[Wherein, R ¹ represents an optionally substituted alkylene group having 2 to 4 carbon atoms, and R ² and R ³ may be the same or different and may have a substituent of 1 carbon atom. Represents an alkyl group of ˜4, R ⁴ and R ⁵ are the same or different and represent a hydrogen atom, a methyl group or an ethyl group, m and n are the same or different and represent an integer of 0 to 4, and m + n ≧ 1 Is)
A vaginal cosmetic comprising an ester compound of a dibasic acid represented by the formula:

<2> The content of the component (A) is 0.1% by mass or more, preferably 5% by mass or more, more preferably 8% by mass or more, and 30% by mass or less as a solid content in the whole composition. And 25 mass% or less is preferable, and 20 mass% or less is more preferable.

<3> The content of component (B) is 0.05% by mass or more, preferably 0.2% by mass or more, more preferably 2% by mass or more, and 20% by mass or less in the entire composition. 10 mass% or less is preferable, and 8 mass% or less is more preferable, The cosmetic for vaginals as described in said <1> or <2>.

<4> The mass ratio (A) / (B) of the components (A) and (B) is 1 or more, preferably 2 or more, more preferably 3 or more, and 50 or less, preferably 25 or less. The vaginal cosmetic according to any one of <1> to <3>, wherein 10 or less is more preferable.

<5> component (B), in the general formula (1), wherein R ⁴ and R ⁵ are hydrogen atoms <1> to eyelash cosmetic as claimed in any one of <4>.
<6> The dibasic acid constituting the dibasic acid ester compound (1) of component (B) is a dibasic acid having 2 to 4 carbon atoms, and is selected from malic acid, succinic acid, tartaric acid and adipic acid The vaginal cosmetic according to any one of <1> to <5>, which is one type or two or more types.

<7> component (B), in the general formula (1), R ¹ is an alkylene group having 2 to 4 carbon atoms which may have a substituent, R ² and R ³ is an ethyl group, an R ⁴ and R ⁵ is a hydrogen atom, the m and n are each an ester compound of a dibasic acid represented a 2 <1> ~ eyelash cosmetic as claimed in any one of <6>.

<8> The glass transition temperature (Tg) of the component (A) is −10 ° C. to 10 ° C., and preferably −5 ° C. to 5 ° C. Cosmetics.

<9> Furthermore, (C) The cosmetics for wrinkles any one of said <1>-<8> which contains 0.01-5 mass% of phenoxyethanol or sodium dehydroacetate, Preferably it is 0.05-1 mass%. Fee.

<10> The vaginal cosmetic according to any one of <1> to <9>, further containing solid fat.
The content of <11> solid fat is 1% by mass or more, preferably 2% by mass or more, more preferably 3% by mass or more, still more preferably 4% by mass or more, and 50% by mass or less in the total composition. And 40 mass% or less is preferable, 30 mass% or less is more preferable, 15 mass% or less is still more preferable, The cosmetic for vaginals as described in said <10>.

<12> The vaginal cosmetic according to any one of <1> to <11>, which is an oil-in-water emulsion-dispersion preparation having one or more selected from water and an aqueous solvent as a continuous phase. .

Examples 1-8, Comparative Examples 1-2
A mascara (oil-in-water type) having the composition shown in Table 1 was produced, and cleansing properties, water resistance, makeup retention, and how to remove the mascara during cleansing were evaluated. The results are also shown in Table 1. A wax dispersion having a composition shown in Table 2 was used.

(Production method)
The oil phase component in the wax dispersion having the composition shown in Table 2 is stirred and melted at 95 ° C. Next, this oil phase component is added to an aqueous phase component that has been uniformly mixed in advance at 85 ° C., and stirred and cooled to room temperature to produce a wax dispersion. Furthermore, the components (A), (B), (C), other components, and the wax dispersion having the composition shown in Table 1 were uniformly mixed at room temperature and degassed to produce a mascara (oil-in-water type). .

(Evaluation method)
(1) Cleansing properties (40 ° C water):
Mascara removal evaluation was performed for the purpose of confirming the cleansing performance when the vaginal cosmetic applied to the vase was dropped with hot water at 40 ° C.
That is, a mascara having the composition shown in Table 1 was applied to a plastic sheet using a coater so as to have a size of 5 mm × 10 mm and a thickness of 50 μm to form a mascara film.
Next, the plastic sheet on which the mascara film is formed is placed so that the opposite surface of the film is in contact with a plate set at 40 ° C., and 0.1 mL of 40 ° C. warm water is dropped onto the film on the plastic sheet. Then, it was rubbed lightly with one person's index finger at one reciprocation per second, and the number of times until the film was peeled was measured. The evaluation of “cleansing properties (40 ° C. water)” shown in Table 1 is the average number of N = 5.

(2) Water resistance (20 ° C. water):
The mascara removal evaluation was performed for the purpose of confirming that the vaginal cosmetic applied to the vat has a water resistance that cannot be easily removed with water at 20 ° C.
That is, a mascara having the composition shown in Table 1 was applied to a plastic sheet using a coater so as to have a size of 5 mm × 10 mm and a thickness of 50 μm to form a mascara film.
Next, the plastic sheet on which the film is formed is placed in contact with the plate opposite to the film on a plate set at 20 ° C., and 0.1 mL of water at 20 ° C. is dropped onto the film on the plastic sheet. The index finger was rubbed lightly with one reciprocation per second, and the number of times until the film was peeled was measured. The evaluation of “water resistance (20 ° C. water)” shown in Table 1 is the average number of N = 5.

(3) Makeup:
Ten professional evaluators actually applied mascara to the upper eyelid, visually observed the state after 6 hours, and judged by the number of people who evaluated that the makeup was good (the mascara was not easily dropped from the eyelid).

(4) How to remove mascara during cleansing:
For the purpose of confirming the cleansing performance when the vaginal cosmetic applied to the vase was dropped with warm water at 40 ° C., the mascara was observed.
That is, a mascara having the composition shown in Table 1 was applied to a plastic sheet using a coater so as to have a size of 5 mm × 10 mm and a thickness of 50 μm to form a mascara film.
Next, the plastic sheet on which the mascara film is formed is placed so that the opposite surface of the film is in contact with a plate set at 40 ° C., and 0.1 mL of 40 ° C. warm water is dropped onto the film on the plastic sheet. Then, with a person's index finger, lightly rubbed with one reciprocation per second, and the state of the mascara until the film was peeled was observed.

* 1; Daido Kasei Co., Ltd., Vinisole 2140L

* 2: Mitsuba Trading Co., Ltd., refined candelilla wax SR-2
* 3: Celerica NODA, deodorized and purified carnauba wax No.1
* 4: CRODA JAPAN, BEES WAX-S
* 5; Koei Kogyo Co., Ltd., extremely hydrogenated jojoba oil * 6; Nippon Synthetic Chemical Co., Ltd., Gohsenol EG-05

Claims (7)

The following components (A) and (B):
(A) (meth) alkyl acrylate / vinyl acetate copolymer,
(B) The following general formula (1)

[Wherein, R ¹ represents an optionally substituted alkylene group having 2 to 4 carbon atoms, and R ² and R ³ may be the same or different and may have a substituent of 1 carbon atom. Represents an alkyl group of ˜4, R ⁴ and R ⁵ are the same or different and represent a hydrogen atom, a methyl group or an ethyl group, m and n are the same or different and represent an integer of 0 to 4, and m + n ≧ 1 Is)
A vaginal cosmetic comprising an ester compound of a dibasic acid represented by the formula:   The vaginal cosmetic according to claim 1, comprising 0.1 to 30% by mass of the component (A) as a solid content.   The cosmetic for salmon according to claim 1 or 2, comprising 0.05 to 20% by mass of the component (B).   The vaginal cosmetic according to any one of claims 1 to 3, wherein the mass ratio of the components (A) and (B) is (A) / (B) = 1 to 50. In the component (B), the general formula (1) in, R ⁴ and R ⁵ are eyelash cosmetic composition according to any one of claims 1 to 4 is a hydrogen atom.   The glass transition temperature (Tg) of a component (A) is -10 degreeC-10 degreeC, The cosmetics for wrinkles of any one of Claims 1-5.   Furthermore, the cosmetic for wrinkles of any one of Claims 1-6 which contains 0.01-5 mass% of (C) phenoxyethanol or sodium dehydroacetate.