JP2020002116A - Makeup remover - Google Patents

Abstract

To provide a makeup remover which achieves both excellent sense of use and excellent makeup removability and has excellent storage stability and usability without requiring shaking at the time of use.SOLUTION: There is provided a makeup remover which contains a water phase containing an aqueous component, oily particles containing an oily component which are dispersed in the water phase and an alkyl-modified carboxyvinyl polymer, wherein the oily particles contain a volatile oil agent as the oily component and can be dispersed in the water phase at 25°C in a liquid state, 50% or more of the oily particles have a particle diameter of 100 μm or more and the absolute value of the specific gravity difference between the water phase and the oily particles is 0.05 or less.SELECTED DRAWING: None

Description

  The present invention relates to a makeup remover.

  As a makeup remover for removing makeup cosmetics, oil-based cleansing cosmetics containing a liquid oil or the like as a main component and emulsifying type cleansing cosmetics in which an oil-based component is emulsified with a surfactant have been conventionally used. .

  However, oil-based cleansing cosmetics tend to feel greasy and sticky when used, and emulsified cleansing cosmetics take time to blend in with make-up. There is a need for improvement. In addition, makeup cosmetics of recent years, as represented by mascara, liquid foundation, oil-based gel eyeliner, etc., are hardly disintegrated and have good makeup, and are difficult to remove with conventional cleansing cosmetics. Has become.

  Makeup removers other than oily or emulsifying type cleansing cosmetics have also been studied. For example, Patent Literature 1 below discloses a two-layer in which a water-soluble polymer having no specific emulsifying ability and a volatile oil agent are blended. Mold makeup removers have been proposed.

JP 2007-269675 A

  The two-layer make-up remover can provide a refreshing feeling of use and a high removal effect, but is inferior in usability because it requires labor of shaking and stirring at the time of use.

  The present invention has been made in view of the above-described problems of the related art, and achieves both excellent use feeling and excellent make-up removability, without the need to shake during use, storage stability and usability. The aim is to provide an excellent makeup remover.

  In order to solve the above-mentioned problems, the present inventors have conducted intensive studies, and as a result, using a specific polymer compound to disperse oily particles containing a volatile oil agent in an aqueous phase, furthermore, the particle size and water content of the oily particles. By adjusting the specific gravity difference between the phase and the oily particles, it has been found that a makeup remover satisfying all the above-mentioned requirements can be obtained, and the present invention has been completed.

  That is, the present invention comprises an aqueous phase containing an aqueous component, oily particles containing an oily component, and an alkyl-modified carboxyvinyl polymer dispersed in the aqueous phase, wherein the oily particles are volatile as the oily component. It contains an oil agent and can be dispersed in a liquid form in the aqueous phase at 25 ° C., wherein 50% or more of the oily particles have a particle size of 100 μm or more, and the absolute value of the specific gravity difference between the aqueous phase and the oily particles is 0%. Provide a makeup remover that is equal to or less than 0.05.

  The make-up remover of the present invention, having the above-described configuration, achieves both excellent use feeling and excellent make-up removability, and does not require shaking at the time of use, and has excellent storage stability and usability. I have.

  Further, the make-up remover of the present invention has an oily particle having a particle diameter of 100 μm or more dispersed therein, so that a transparent feeling is easily obtained, and the appearance of the spherical oily particles floating in a transparent aqueous phase. It also has a great eye-catching effect, which is eye-catching to consumers. Further, since the oily particles can be dispersed in a liquid state in the aqueous phase at 25 ° C., it is possible to solve the problems in the technology using oily capsules and microcapsules. That is, when oil-based capsules or microcapsules are used, there is a problem that when removing cosmetics such as mascara around the eyes, the capsules may give a foreign-body sensation when they enter the eyes. Since the makeup remover according to the present invention can avoid such a problem, the makeup remover is also suitable for a usage form in which cotton containing the remover is wiped against the eyelids.

  In the makeup remover of the present invention, the content of the volatile oil agent is preferably from 40 to 80% by mass based on the total amount of the oily component from the viewpoints of make-up removability and storage stability.

  In the makeup remover of the present invention, the aqueous phase and / or the oily particles may contain a specific gravity adjuster.

  In the make-up remover of the present invention, the aqueous phase may contain a lower alcohol having 1 to 4 carbon atoms as a specific gravity adjuster. Further, the oily particles may contain an oil agent having a specific gravity of 0.990 or more and being liquid at 25 ° C. as a specific gravity adjusting agent.

  Advantageous Effects of Invention According to the present invention, it is possible to provide a make-up remover which has both excellent use feeling and excellent make-up removability, does not require shaking at the time of use, and has excellent storage stability and usability. .

  The makeup remover of the present embodiment contains an aqueous phase containing an aqueous component, oily particles containing an oily component dispersed in the aqueous phase, and an alkyl-modified carboxyvinyl polymer.

  In the makeup remover of the present embodiment, the oily particles contain a volatile oil as the oily component, and can be dispersed in the aqueous phase at 25 ° C. in a liquid state. The oily particles dispersed in the aqueous phase in a liquid state are distinguished from particles in which an oily component is encapsulated, that is, oily particles dispersed in a state having a solid outer shell.

  In the makeup remover of the present embodiment, it is preferable that 50% or more of the oily particles have a particle size of 100 μm or more, and more preferably 80% or more of the oily particles have a particle size of 100 μm or more. The average particle size of the oily particles is preferably from 100 to 1000 µm, more preferably from 200 to 700 µm. In this case, the oily particles are easily adapted to the makeup quickly, the makeup removing ability is improved, and the eye catch effect is easily obtained.

In the present specification, the average particle size of the oily particles and the ratio of the particles having a particle size of 100 μm or more in the oily particles can be determined by the following method.
First, the average particle size is such that a 3 g sample is spread on a 55 mmφ Petri dish, and 50 representative particles having a particle size of 40 μm or more that can be sufficiently visually recognized with a digital microscope (Keyence VH-5000) (magnification: 50 times). Can be determined by measuring the size of the particle diameter of the particles and calculating the average value thereof.
As for the ratio of particles having a particle diameter of 100 μm or more, the number ratio of oily particles having a particle diameter of 100 μm or more is calculated from the 50 particles measured above.

  From the viewpoint of providing an excellent eye catching effect, the oil particles may be transparent or may be colored with an oil-soluble dye.

  Each component constituting the makeup remover of the present embodiment will be further described.

<Aqueous component>
Examples of the aqueous component contained in the aqueous phase include water, lower alcohols such as ethanol, propanol, isopropanol, isobutyl alcohol and t-butyl alcohol, glycerin, propylene glycol, butylene glycol, ethylene glycol, polyethylene glycol, acetone and the like.

  The aqueous phase can contain, in addition to the above-mentioned aqueous component, an aqueous component usually used in cosmetics. Such aqueous components include, for example, preservatives, antioxidants, dyes, thickeners, pH adjusters, fragrances, ultraviolet absorbers, ultraviolet scattering agents, humectants, chelating agents, anti-inflammatory agents, surfactants, etc. Is mentioned.

  In the makeup remover of the present embodiment, the aqueous phase can contain a thickener. Examples of the thickener include synthetic polymers such as carboxyvinyl polymers, thickening polysaccharides such as xanthan gum, cellulose gum and gellan gum, and clay minerals such as bentonite, smectite and montmorillonite.

<Oily component>
As the oil component contained in the oil particles, a volatile oil agent can be used. Volatile oils can remove makeup cosmetics and can be used without particular limitation as long as they are used in cosmetics.For example, hydrocarbon oils, silicone oils and the like can be used. it can. A volatile oil agent can be used individually by 1 type or in combination of 2 or more types.

  In the present specification, the term “volatile” means that the boiling point at 1 atm is 250 ° C. or lower, and the term “non-volatile” means that the boiling point at 1 atm exceeds 250 ° C.

  Light hydrocarbon isoparaffin can be used as the hydrocarbon oil. Examples of the light liquid isoparaffin include isododecane and isohexadecane. These light liquid isoparaffins are Isopar H (manufactured by Esso Chemical, product name), isododecane (manufactured by Bayer, product name), isohexadecane (manufactured by Unichema, product name) IP Solvent 1620MU, IP Solvent 2028MU, IP Solvent 2835 Commercial products such as (product name, manufactured by Idemitsu Kosan Co., Ltd.) can be used.

  As the silicone oil, for example, a cyclic silicone oil, a chain silicone oil, or a branched silicone oil can be used. Examples of the cyclic silicone oil include decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, dodecamethylcyclohexasiloxane, and decamethyltetrasiloxane. Examples of the chain silicone oil include methylpolysiloxane and octamethyltrisiloxane. Branched silicone oils include methyltrimethicone. Commercially available products can be used as these silicone oils. For example, as decamethylcyclopentasiloxane, TFS405 (manufactured by Toshiba Silicone Co., product name) SH245, DC345 (manufactured by Dow Corning Toray, product name), KF995 (Product name, manufactured by Shin-Etsu Chemical Co., Ltd.). Examples of methylpolysiloxane include KF-96L-1.5CS (manufactured by Shin-Etsu Chemical Co., Ltd., product name), and examples of octamethyltrisiloxane include KF-96A-1CS (manufactured by Shin-Etsu Chemical Co., Ltd., product name) ), And examples of methyltrimethicone include TMF-1.5 (product name, manufactured by Shin-Etsu Chemical Co., Ltd.).

  In the makeup remover of the present embodiment, the content of the volatile oil agent is preferably from 40 to 80% by mass, and from 50 to 70% by mass, based on the total amount of the oily component, from the viewpoints of make-up removability and storage stability. % Is more preferable.

  The oily particles may further contain an oily component other than the volatile oil agent. Such oily components are not particularly limited as long as they are commonly used in cosmetics, for example, the origin of animal oils, vegetable oils, synthetic oils and the like, and the properties of solid oils, semi-solid oils, liquid oils and the like. Regardless, oils and fats, hardened oils, fatty acids, higher alcohols, silicone oils, fluorinated oils, lanolin derivatives, oily gelling agents and the like can be mentioned. In addition, the oily particles may contain components commonly used in cosmetics, for example, preservatives, antioxidants, pigments, thickeners, fragrances, ultraviolet absorbers, ultraviolet scattering agents, humectants, surfactants, and the like. Can be.

  When the oil particles contain an oil component other than the volatile oil agent, the content may be 10 to 80 parts by mass or 10 to 60 parts by mass with respect to 100 parts by mass of the volatile oil agent.

  From the viewpoint of usability, the make-up remover of the present embodiment preferably has a content of the solid oily component at 25 ° C. of 5% by mass or less, preferably 1% by mass or less based on the total amount of the oily component. More preferably, it is even more preferable that it does not contain an oily component which is solid at 25 ° C.

  In the make-up remover of the present embodiment, the content of the oily component is preferably from 10 to 40% by mass, more preferably from 10 to 30% by mass, and more preferably from 10 to 20% by mass, based on the total amount of the make-up remover. It is more preferred that the content is mass%.

<Alkyl-modified carboxyvinyl polymer>
The alkyl-modified carboxyvinyl polymer is a water-soluble polymer, and is also referred to as an acrylic acid / alkyl methacrylate copolymer or (acrylates / alkyl acrylate (C10-30)) crosspolymer. The alkyl-modified carboxyvinyl polymer is a copolymer having both a hydrophilic portion derived from a carboxyl group of an acrylic acid / alkyl methacrylate copolymer and a lipophilic portion derived from an alkyl group, and forms the specific oily particles described above. And blended to prevent coalescence. The alkyl-modified carboxyvinyl polymer can stably emulsify the oil by adsorbing the lipophilic portion to the oil / water interface and swelling the hydrophilic portion in water to form a hydrated gel phase around the oil droplets. .

  The alkyl-modified carboxyvinyl polymer may be neutralized with a neutralizing agent. Examples of the neutralizing agent include sodium hydroxide, potassium hydroxide, triethanolamine, basic amino acids, ammonium hydroxide, (mono, di, tri) ethanolamine, (mono, di, tri) isopropanolamine, 2- Amino-2-methyl-1-propanol, 2-amino-2-methyl-1,3-propanediol, 2-amino-2-hydroxymethyl-1,3-propanediol, monoethanolamine, monoisopropanolamine, poly Oxyethylene alkylamine and the like can be mentioned.

  Alkyl-modified carboxyvinyl polymers include PEMULEN TR-1, TR-2, EZ-4U (Nikko Chemicals, product name), Carbopol 1342, 1382, ETD2020, Ultrez21, Ultrez20 polymer (Nikko Chemicals, product name) and the like. Commercially available products can be used.

  The content of the alkyl-modified carboxyvinyl polymer in the make-up remover of the present embodiment is 0.01 to 0.3 based on the total amount of the make-up remover from the viewpoint of sufficiently increasing the ratio of oily particles having a particle size of 100 μm or more. % By mass is preferable, and 0.01 to 0.2% by mass is more preferable.

  In the makeup remover of the present embodiment, the absolute value of the difference in specific gravity between the aqueous phase and the oily particles is preferably 0.05 or less. The specific gravity of the aqueous phase can be calculated from the specific gravity and the amount of each component that can be contained in the aqueous phase. The specific gravity of the oily particles can be calculated from the specific gravity and the amount of each component that can be contained in the oily particles.

For example, when the makeup remover includes n aqueous components and m oil components, the specific gravity of the aqueous phase and the specific gravity of the oil particles are calculated by the following equations.
Specific gravity of aqueous phase = [(specific gravity of aqueous component 1 × amount of aqueous component 1) + (specific gravity of aqueous component 2 × amount of aqueous component 2) +... + (Specific gravity of aqueous component n × aqueous component n) )] / (Total amount of n aqueous components)
Specific gravity of oily particles = [(specific gravity of oily component 1 x compounding amount of oily component 1) + (specific gravity of oily component 2 x compounding amount of oily component 2) + ... + (specific gravity of oily component m x oily component m) )] / (Total amount of m oily components)

  When the oily particles contain a powder component as a specific gravity adjuster, the powder component is used as a component that can be contained in the oily particles in calculating the specific gravity of the oily particles. The alkyl-modified carboxyvinyl polymer is used for calculating the specific gravity of the aqueous phase as a component that can be contained in the aqueous phase.

  When the makeup remover of the present embodiment does not contain a powder component, the specific gravity difference between the water phase and the oil phase obtained by centrifugation at 4000 rpm for 5 minutes is defined as the specific gravity difference between the water phase and the oily particles. be able to. In addition, the specific gravity of an aqueous phase and an oil phase is measured at 25 degreeC using a specific gravity bottle.

  The specific gravity of the aqueous phase and the oily particles can be adjusted by adding a specific gravity adjuster. That is, in the makeup remover of the present embodiment, the aqueous phase and / or the oily particles may contain a specific gravity adjuster.

  As the specific gravity adjusting agent, an aqueous component having a specific gravity of 1.00 or less, an oily component having a specific gravity of 0.990 or more, powder, or the like can be used. In addition, the specific gravity of an aqueous component and an oil component is measured at 25 degreeC using a specific gravity bottle.

  In the present embodiment, the aqueous phase may contain a lower alcohol having 1 to 4 carbon atoms such as ethanol or isopropanol as a specific gravity adjuster.

  Further, the oily particles may contain an oil agent having a specific gravity of 0.990 or more and being liquid at 25 ° C. as a specific gravity adjusting agent. Examples of such oils include liquid oils having a phenyl group such as phenyltrimethicone (specific gravity 0.995), diphenyldimethicone (specific gravity 1.07), benzyl benzoate (specific gravity 1.118), and polyperfluorocarbon. Examples include fluoro oil such as methyl isopropyl ether (specific gravity 1.8), trimethyl citrate (specific gravity 1.14), and glycerin fatty acid ester (specific gravity 0.994).

  Examples of the powder to be blended as the specific gravity adjusting agent include hydrophobically-treated powders of hydrophobized silica (specific gravity 2.2), polymethyl methacrylate (specific gravity 1.19), and talc (specific gravity 2.8). Examples of the hydrophobic treatment include higher fatty acids, metal soaps, oils and fats, waxes, silicone compounds, fluorine compounds, surfactants, and dextrin fatty acid esters.

  In the makeup remover of the present embodiment, salts may be blended from the viewpoint that the oil particles easily maintain a more uniform particle size. Salts include sodium chloride, edetate and the like.

  The make-up remover of the present embodiment preferably has a viscosity at 25 ° C. of from 400 to 20,000 mPa · s, more preferably from 500 to 5,000 mPa · s. In addition, the viscosity of the makeup remover is measured by a B-type viscometer.

  Next, a method of manufacturing the makeup remover of the present embodiment will be described.

  The make-up remover of the present embodiment prepares, for example, an aqueous phase containing the above-mentioned aqueous component, the alkyl-modified carboxyvinyl polymer, and additives to be added as necessary, and the above-mentioned oil-based It can be produced by adding the components and, if necessary, additives, and stirring the mixture. About the compounding quantity of each component, it is set so that content in the make-up remover of this embodiment may be in the above-mentioned preferable range.

  The stirring can be appropriately adjusted so that 50% or more of the oily particles have a particle size of 100 μm or more, and is preferably performed at a relatively low speed. Specifically, the rotation can be performed using a disper, a propeller, a paddle mixer or the like at a rotation speed of 10 to 1500 rpm, preferably about 10 to 500 rpm. The temperature at the time of stirring can be 25 to 30 ° C., and the stirring time can be 1 to 5 minutes.

  Hereinafter, the present invention will be described in more detail by way of examples, but the technical scope of the present invention is not limited by these examples. The numerical values in the table indicate the content (% by mass) based on the total amount of the makeup remover.

  Prior to the examples, an evaluation method adopted in each example will be described.

(A-1: average particle size of oily particles)
The particle size is obtained by spreading a 3 g sample on a 55 mmφ petri dish, and using a digital microscope (Keyence VH-5000) (magnification: 50 ×), the representative 50 particles having a particle size of 40 μm or more and sufficiently visible can be obtained. The size of the particle diameter was measured, and the average value was calculated.

(A-2: ratio of particle diameter of 100 μm or more)
Among 50 particles measured in a-1, the number ratio of oily particles having a size of 100 μm or more was calculated.

(B-1: makeup removal properties)
0.005 g of oily mascara having the composition of the following formulation example 1 was uniformly applied on a slide glass in a circular shape having a diameter of 1.2 cm, and left to dry for 24 hours.
<Prescription example 1>
(Components) (Blending ratio (% by mass))
Light liquid isoparaffin residual dextrin fatty acid ester 10
Carnauba Row 10
Trimethylsiloxysilicic acid 8
Microcrystalline wax 5
Mica 5
Organic modified bentonite 2
Sorbitan isostearate 2
Black iron oxide 10

The cotton containing 3.8 g of make-up remover is applied to the mascara applied above, lightly pressed for 5 seconds, and then wiped with a constant pressure (100 g / cm ² ) to remove the mascara. The number was measured and evaluated according to the following criteria.
[Evaluation criteria for detergency against oily mascara]
◎: 8 times or less〇: 9 to 13 times △: 14 to 20 times ×: 21 times or more

(B-2: makeup removal properties)
The makeup remover of Example 9 was evaluated for make-up removal properties according to the following procedure.

0.005 g of an emulsified foundation having the composition of the following Formulation Example 2 was uniformly applied on a slide glass in a circular shape having a diameter of 1.2 cm, and left to dry for 24 hours.
<Prescription example 2>
(Components) (Blending ratio (% by mass))
Silicone treated iron oxide 10
Silicone treated fine particle titanium oxide 8
Silicone treated fine particle zinc oxide 4
Decamethylcyclopentasiloxane 10
Disteardimonium hectorite 0.8
PEG-10 dimethicone 2
Sorbitan isostearate 1
Ethylhexyl palmitate 8
Trimethylsiloxysilicic acid 2
Mica 5
Purified water Residual dipropylene glycol 5
Preservative appropriate amount

The cotton containing 3.8 g of make-up remover is applied to the foundation applied above, lightly pressed for 5 seconds, wiped off at a constant pressure (100 g / cm ² ), and wiped off to remove the foundation. The number was measured and evaluated according to the following criteria.
[Evaluation criteria for detergency against emulsified foundation]
◎: 8 times or less〇: 9 to 13 times △: 14 to 20 times ×: 21 times or more

(C: storage stability)
The state after standing at 25 ° C. and 50 ° C. for one month was observed and evaluated according to the following criteria.
[Evaluation criteria]
：: no change in appearance △: coalescence or creaming is slightly observed x: coalescence or creaming is remarkably observed

(D: feeling of use)
After the wiping operation, the tester (10 persons) evaluated the refreshing feeling and the non-stickiness on a 4-point scale according to the following criteria, attached a score to each sample, and determined the average score of the scores of all panels according to the following criteria. did.
[Evaluation criteria]
4: Very good (excellent refreshing feeling, no stickiness)
3: Good (excellent feeling without stickiness)
2: Not very good (not very refreshing and somewhat sticky)
1: Bad (not refreshing, sticky)
[Judgment criteria (average score)]
◎: 3.5 or more ：: 3.0 or more to less than 3.5 Δ: 2.0 or more to less than 3.0 ×: less than 2.0

(E: specific gravity (calculated value))
The specific gravity of the aqueous phase was calculated from the specific gravity and the amount of each component that could be included in the aqueous phase, and the specific gravity of the oily particles was calculated from the specific gravity and the amount of each component that could be included in the oily particles.

(Specific gravity (actual value))
The sample is centrifuged at 4000 rpm for 5 minutes to separate the oil phase and the aqueous phase into two layers,
The phases were taken out without mixing and measured at 25 ° C. using a pycnometer.

(Examples 1 to 8 and Comparative Examples 1 to 6)
Make-up removers having the compositions shown in Tables 1 and 2 were prepared by the following production methods, and evaluated as described above. The results are shown in Tables 3 and 4.

<Production method>
Components 1 to 9 were dissolved and mixed to obtain an aqueous phase. Next, components 10 to 14 were added to the aqueous phase, and the mixture was stirred at room temperature at 300 rpm using a disper to obtain a make-up remover.

  In Tables 1 to 4, details of each component are as follows.

[Water-soluble polymer]
Alkyl-modified carboxyvinyl polymer * 1: "PEMULEN TR-1" (Nikko Chemicals, product name)
Alkyl-modified carboxyvinyl polymer * 2: "PEMULEN EZ-4U" (Nikko Chemicals, product name)

  As shown in Tables 1 to 4, in the makeup removers obtained in Examples 1 to 8, 50% or more of the oily particles have a particle size of 100 µm or more, and the specific gravity of the water phase and the oil phase. The absolute value of the difference was 0.05 or less, b-1: make-up removability, c: storage stability, and d: evaluation of usability as Δ or ◎.

(Example 9: makeup remover)
(Components) (Blending ratio (% by mass))
1. Alkyl-modified carboxyvinyl polymer 1% aqueous solution * 1 5.00
(Specific gravity 1.00)
2. 1% aqueous sodium chloride solution (specific gravity 1.01) 0.3
3. 1% aqueous sodium hydroxide solution (specific gravity 1.01) 0.7
4. Purified water (specific gravity: 1.00) Ethanol (specific gravity 0.796) 7
6. Phenoxyethanol (specific gravity 1.11) 0.5
7. Decamethylcyclopentasiloxane (specific gravity 0.956) 19
8. Isotridecyl isononanoate (specific gravity 0.862) 1

  * 1: PEMULEN EZ-4U ((Nikko Chemicals, product name)

<Production method>
Components 1 to 6 were dissolved and mixed to obtain an aqueous phase. Next, components 7 and 8 were added to the aqueous phase, and the mixture was stirred at room temperature at 300 rpm using a disper to obtain a makeup remover.

<Evaluation>
The make-up remover obtained above was evaluated in the same manner as described above, except that b-2: make-up removal property was evaluated instead of b-1: make-up removal property. The results were as follows: a-1: the average particle size of the oily particles was 350 μm, a-2: the ratio of the particle size of 100 μm or more was 92%, b-2: the make-off property was “◎”, and c: The storage stability was (〇) at (25 ° C., 1 month), “〇” at (50 ° C., 1 month), d: feeling of use was “◎”, and e: specific gravity (calculated value) was oiliness. The particles were 0.951, the aqueous phase was 0.983, and the specific gravities (actual values) were 0.95 for the oil phase and 0.99 for the aqueous phase.

(Example 10: makeup remover)
(Components) (Blending ratio (% by mass))
1. Alkyl-modified carboxyvinyl polymer 1% aqueous solution * 1 5.00
(Specific gravity 1.00)
2. 1% aqueous sodium chloride solution (specific gravity 1.01) 0.3
3. 1% aqueous sodium hydroxide solution (specific gravity 1.01) 0.7
4. Purified water (specific gravity: 1.00) Ethanol (specific gravity 0.796) 7.0
6. Phenoxyethanol (specific gravity 1.11) 0.5
7. Isododecane (specific gravity 0.753) 1.5
8. Decamethylcyclopentasiloxane (specific gravity 0.956) 8.5
9. Phenyltrimethicone (specific gravity 0.995) 8.0

<Production method>
Components 1 to 6 were dissolved and mixed to obtain an aqueous phase. Next, components 7 to 9 were added to the aqueous phase, and the mixture was stirred at room temperature at 30 rpm using a disper to obtain a make-up remover.

<Evaluation>
The make-up remover obtained above was evaluated in the same manner as described above, except that b-2: make-up removal property was evaluated instead of b-1: make-up removal property. The results were as follows: a-1: the average particle size of the oily particles was 500 μm, a-2: the ratio of the particles having a particle size of 100 μm or more was 96%, b-2: the makeup removal property was “「 ”, and c: The storage stability was (〇) at (25 ° C., 1 month), “〇” at (50 ° C., 1 month), d: feeling of use was “◎”, and e: specific gravity (calculated value) was oiliness. The particles were 0.956, the aqueous phase was 0.983, and the specific gravities (actual values) were 0.95 for the oil phase and 0.99 for the aqueous phase.

(Example 11: makeup remover)
(Components) (Blending ratio (% by mass))
1. Alkyl-modified carboxyvinyl polymer 1% aqueous solution * 1 5.00
(Specific gravity 1.00)
2. 1% aqueous sodium chloride solution (specific gravity 1.01) 0.3
3. 1% aqueous sodium hydroxide solution (specific gravity 1.01) 0.7
4. Purified water (specific gravity: 1.00) Ethanol (specific gravity 0.796) 7.0
6. Phenoxyethanol (specific gravity 1.11) 0.5
7. Isododecane 2.5
8. Decamethylcyclopentasiloxane 9.5
9. Phenyltrimethicone (specific gravity 0.995) 5.0
10. Hydrophobic silica (specific gravity 2.2) 1.0

<Production method>
Components 1 to 6 were dissolved and mixed to obtain an aqueous phase. Next, components 7 to 10 were added to the aqueous phase, and the mixture was stirred at room temperature at 300 rpm using a disper to obtain a make-up remover.

<Evaluation>
The make-up remover obtained above was evaluated in the same manner as described above, except that b-2: make-up removal property was evaluated instead of b-1: make-up removal property. The results were as follows: a-1: the average particle size of the oily particles was 350 μm, a-2: the ratio of the particle size of 100 μm or more was 92%, b-2: the make-off property was “◎”, and c: The storage stability was (〇) at (25 ° C., 1 month), “〇” at (50 ° C., 1 month), d: feeling of use was “◎”, and e: specific gravity (calculated value) was oiliness. The particles were 1.008 and the aqueous phase was 0.983.

Claims (5)

An aqueous phase containing an aqueous component, dispersed in the aqueous phase, oily particles containing an oily component, and an alkyl-modified carboxyvinyl polymer,
The oily particles contain a volatile oil agent as the oily component, and can be dispersed in a liquid state in the aqueous phase at 25 ° C.
50% or more of the oily particles have a particle size of 100 μm or more,
A makeup remover, wherein the absolute value of the specific gravity difference between the aqueous phase and the oily particles is 0.05 or less.   The make-up remover according to claim 1, wherein the content of the volatile oil agent is 40 to 80% by mass based on the total amount of the oil component.   The make-up remover according to claim 1, wherein the aqueous phase and / or the oily particles include a specific gravity adjuster.   The makeup remover according to claim 3, wherein the aqueous phase contains a lower alcohol having 1 to 4 carbon atoms as the specific gravity adjuster. 5. The make-up remover according to claim 3, wherein the oily particles have a specific gravity of 0.990 or more and contain a liquid oil at 25 ° C. as the specific gravity adjuster.