JP3382192B2 - Encapsulated color pigment - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an encapsulated color pigment in which a color pigment is encapsulated with a crosslinked polymer, a process for producing the same, and a cosmetic containing the same.

[0002]

2. Description of the Related Art Makeup cosmetics such as foundations contain various color pigments. However, the color pigment has a problem that it causes crystal growth, discoloration or decomposition due to contact with powders, oil agents, surfactants and other substances contained in the compounding system, heat, light and the like. In addition, the color pigment may deteriorate the stability of the product, may have poor dispersibility in the compounding system, may not provide the desired coloring power, or may have a large difference between the product color and the color when applied to the skin. There was also a problem.

As measures for preventing the problems relating to these color pigments, there are surface treatment of color pigments and encapsulation with polymers. Examples of the encapsulation method include, for example, the following three methods.

A) In situ polymerization method A pigment is dispersed in water containing a surfactant, and a vinyl monomer (mainly styrene, a highly polar monomer such as (meth) acrylate having 1 to 4 carbon atoms) is initiated to initiate polymerization. The agent is added, the polymerization reaction is performed while heating and stirring, filtration,
It is a method of obtaining a polymer-coated pigment by repeating washing with water.

B) Coacervation method The polymer is dissolved in an organic solvent such as benzene and toluene, and the pigment is added to this and stirred and dispersed, and then alcohol such as methanol and ethanol is added to the polymer on the surface of the pigment. Is precipitated, and filtration and washing are repeated to obtain a polymer-coated pigment.

C) In-Liquid Drying Polymer is dissolved in an organic solvent such as benzene or toluene, and a pigment is added to this polymer and the mixture is stirred and dispersed.
In this method, the solvent is distilled off to obtain a polymer-coated pigment.

However, in these methods, since a monomer having a high solubility parameter or an organic solvent having a high solubility parameter (coacervation method, in-liquid drying method) is used, crystal growth of the organic pigment is caused in the production process. There is a problem in that the polymer coating of the pigment becomes insufficient due to this, and the coloring power decreases due to the coarsening of the pigment. Further, since the coating agent is an uncrosslinked polymer having a high polarity or is loosely crosslinked with a peroxide initiator, even if it is sufficiently coated, it is easily plasticized by a polar oil agent or the like used for cosmetic formulation. However, there is a problem that the pigment crystal grows, discolors, decomposes, and the like.

[0008]

SUMMARY OF THE INVENTION An object of the present invention is to provide a cross-linked polymer coated so as not to cause crystal growth of a coloring pigment, which can be easily produced and which is incorporated into a cosmetic composition. Is an encapsulated color pigment that exhibits the original vivid color and coloring power of the color pigment, and that provides a cosmetic with excellent color stability, product stability, pigment dispersibility, coating color uniformity, and usability. It is to provide a cosmetic containing this.

[0009]

DISCLOSURE OF THE INVENTION The present invention uses a coloring pigment as a core substance and a dissolution parameter calculated by the method of Fedors.
Meter 8.80 following bi Nirumonoma over and radical polymerization
A crosslinking agent is a monomer having a sex group two or more as essential, the total amount of the vinyl monomer and the crosslinking agent is 50 wt% or less
The present invention provides an encapsulated color pigment having a wall material of a crosslinked polymer obtained by polymerizing the above monomers.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The vinyl monomer used as a raw material for a cross-linked polymer which is a film agent for an encapsulated color pigment of the present invention must have a solubility parameter of 8.80 or less from the viewpoint of preventing crystal growth of the color pigment. Is.

The solubility parameter as used herein means Fe
dors method [RF Fedors. Polyme. Eng. Sic., 14, 1
47 (1974)], and as the vinyl monomer having a solubility parameter of 8.80 or less, a linear monomer having 8 or more carbon atoms (more preferably 8 to 40 carbon atoms) which may be fluorinated. Alternatively, a branched alkyl (meth) acrylate or a dimethylpolysiloxane compound having a radically polymerizable group at one end of the molecular chain can be used. Specific examples include octyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, lauryl (meth) acrylate, myristyl (meth) acrylate, palmityl (meth) acrylate, stearyl (meth) acrylate,
Isostearyl (meth) acrylate, behenyl (meth) acrylate, 2- (perfluoroalkyl) ethyl (meth) acrylate having 6 or more carbon chains, dimethyl having a (meth) acrylic group at one end of the molecular chain and a molecular weight of 500 to 10,000. Examples thereof include polysiloxane compounds.

The cross-linking agent is used to make the formed wall material physically and chemically strong. Examples of the cross-linking agent include monomers having two or more radically polymerizable groups, and specific examples include ethylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, polyethylene glycol. Di (meth) acrylate, 1,3-butanediol di (meth) acrylate, 1,4-
Butanediol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, neopentyl glycol di (meth) acrylate, 1,10-decanediol di (meth) acrylate, propylene glycol di (meth) acrylate, polypropylene Glycol di (meth) acrylate, trimethylolpropane tri (meth) acrylate, pentaerythritol tri (meth) acrylate
Examples thereof include monomers having two or more (meth) acrylate residues such as acrylate, pentaerythritol tetra (meth) acrylate, and dipentaerythritol hexa (meth) acrylate.

The composition ratio of these monomers is such that the total amount of the vinyl monomer having a solubility parameter of 8.80 or less and the crosslinking agent is 50% by weight or more, and the solubility parameter is 8.80.
The following polymerization ratio of vinyl monomer and cross-linking agent is 90/10
It is preferable to be -10/90, especially 80 / 20-20 / 80.

Examples of the color pigment as the core substance of the encapsulated color pigment of the present invention include water-insoluble organic color pigments (insoluble azo pigments) and organic lake color pigments.
As a specific example, as a yellow pigment, yellow 205, yellow 4
No. 01 and other Hansa Yellow, Disazo Yellow, Quinoline Yellow, etc. are red pigments such as Red No. 202 and Red 204
No. 226, Red No. 226, and the like, and blue pigments such as Blue No. 404 (phthalocyanine blue) and the like, which may be surface-treated. Of these, especially yellow 40
No. 1 and Red No. 202 are preferred. In addition, these color pigments
You may encapsulate as a mixture of 2 or more types, or a mixture with an extender pigment.

Examples of the polymerization initiator include oil-soluble azo initiators and peroxide initiators, and specific examples include 2,2'-azobisisobutyronitrile (AIBN), 2,
2'-azobisisovaleronitrile, 2,2'-azobis (2-
Methyl butyronitrile), benzoyl peroxide (BP
O), lauroyl peroxide (LPO) and the like.

The particle size of the encapsulated color pigment of the present invention and the color pigment as the core substance thereof varies depending on the coloring power and the encapsulation rate, but the encapsulated color pigment has an average particle size of 0.1 to 50.
μm, especially 0.2 to 30 μm, the color pigment has an average particle size of 0.01 to 10
μm, particularly preferably 0.02 to 5 μm. The amount of the color pigment contained in the capsule also varies depending on the coloring power and the encapsulation rate, but is preferably 1 to 90% by weight, particularly preferably 5 to 50% by weight.

The encapsulated color pigment of the present invention can be produced by suspension polymerization of a vinyl monomer having a solubility parameter of 8.80 or less and a monomer mainly containing a crosslinking agent in the presence of the color pigment.

That is, a vinyl monomer dispersion liquid comprising a vinyl monomer, a cross-linking agent, a color pigment and a polymerization initiator,
The target encapsulated color pigment can be produced by dispersing or suspending in water in the presence of a dispersant and an emulsifier to form droplets and carrying out a polymerization reaction.

As another method, a color pigment is previously dispersed in water in the presence of a dispersant and an emulsifier, and then a vinyl monomer dispersion liquid containing a vinyl monomer, a crosslinking agent and a polymerization initiator is dispersed in the color pigment. The target encapsulated colored pigment can also be produced by adding the liquid and then dispersing it again to form a droplet in which the monomer solution and the pigment are united and performing a polymerization reaction.

Further, when the starting color pigment is a wet cake color pigment diluted with water, the wet cake color pigment and vinyl monomer are mixed, the resulting aqueous phase is removed, and then a crosslinking agent is present. The target encapsulated color pigment can also be produced by suspension polymerization below. In this case, the crosslinking agent may be mixed with the wet cake color pigment together with the vinyl monomer, or may be added after removing the aqueous phase. More specifically, a wet cake color pigment and a vinyl monomer are mixed and the resulting colored aqueous phase is removed to obtain a monomer dispersion liquid in which the color pigment is dispersed. If necessary, this monomer dispersion is washed at least once with water, a cross-linking agent is added, and if necessary, a dispersant and an emulsifier are added to disperse or suspend the monomer in water to form droplets and carry out a polymerization reaction. .

If necessary, an organic solvent may be added to the vinyl monomer dispersion liquid as long as the encapsulated color pigment does not impair the desired physical properties. As such an organic solvent, for example, a linear or cyclic saturated hydrocarbon solvent (n-pentane, n-hexane, n-heptane, n-octane,
n-nonane, n-decane, cyclohexane, etc.), linear or cyclic unsaturated hydrocarbon solvent (toluene, xylene, etc.),
Examples thereof include ketone organic solvents (acetone, methyl ethyl ketone, etc.), ester organic solvents (ethyl acetate, butyl acetate, etc.), and linear or cyclic polydimethylsiloxane.

Here, for the dispersion of the color pigment, a homogenizer, a high pressure homogenizer, an ultrasonic disperser, an attritor mill, a ball mill, a sand mill or the like is used. As the dispersing / emulsifying agent, anionic surfactants such as sodium lauryl sulfate, sodium cetyl sulfate and sodium polyoxyethylene lauryl ether sulfate,
Other low-molecular-weight surfactants such as cationic surfactants and nonionic surfactants; polymers such as polyvinyl alcohol, polyvinylpyrrolidone, hydroxyethyl cellulose, hydroxypropyl cellulose, gelatin, starch, carboxymethyl cellulose and polyvinyl alkyl ether Dispersants: sparingly water-soluble inorganic salts such as barium sulfate, potassium sulfate, barium carbonate, calcium carbonate, magnesium carbonate and calcium phosphate.

The temperature and time of polymerization vary depending on the monomers used and the like, but the polymerization temperature is preferably 20 to 95 ° C., and the polymerization time is preferably 3 to 20 hours.

After the polymerization, solid-liquid separation is carried out by filtration, centrifugation, etc., the aqueous phase is removed, and if necessary, washing with water is carried out, followed by encapsulation by usual means such as vacuum drying, spray drying and freeze drying. The color pigment can be isolated as a powder.
If necessary, the aggregates are disintegrated.

The cosmetics to which the encapsulated color pigment of the present invention obtained as described above can be mixed are not limited in terms of product form, shape, etc., but may be foundation, blusher, eye shadow, mascara, eyeliner, Eyebrow, lipstick and nail enamel makeup cosmetics are preferred. The amount of the encapsulated coloring pigment mixed with the cosmetic is 0.1 to 50.
%, Especially 0.2 to 30% by weight is preferred.

Furthermore, in the cosmetic of the present invention, other components usually used as raw materials for cosmetics, such as white pigments, extender pigments, coloring pigments, pearl pigments, natural minerals, organic powders,
Oil agent, UV protection agent, gelling agent, wax, metal soap,
Surfactants, moisturizers, preservatives, perfumes, and various other additives can be appropriately selected and added.

[0027]

Example 1 A 300-mL beaker was charged with 56 g of lauryl methacrylate, 19 g of ethylene glycol dimethacrylate and 1.5 g of lauroyl peroxide, and after dissolution, 25 g of yellow No. 401 was added and dispersed. Then, this dispersion was mixed with 1% polyvinyl alcohol (Nippon Gosei Kagaku Kogyo, Gohsenol GH-1).
7) The solution was added to 750 g of the aqueous solution and dispersed using an ultrasonic disperser (average particle size 2.2 μm). Then, the dispersion obtained is mixed with 10
Charge into a 00 mL separable flask, replace with nitrogen, and then
Polymerization was carried out at 75 ° C. for 8 hours under a nitrogen atmosphere while stirring at pm. After the completion of the polymerization, the solid was collected by centrifugation, washed with water, and dried under reduced pressure to obtain 95 g of encapsulated Yellow No. 401 (average particle size 2.0 μm, inclusion rate of Yellow No. 401 of 25% by weight).

EXAMPLE 2 Isostearyl acrylate 68 was added to a 300 mL beaker.
g, 17 g of divinylbenzene and 1.0 g of 2,2'-azobis (2-methylbutyronitrile) were charged and dissolved. Then, 15 g of yellow No. 401 was mixed with 1% polyvinyl alcohol (Nippon Gosei Kagaku Kogyo, Seesenol GH) with an attritor mill.
-17) To the dispersion liquid dispersed in 750 g of an aqueous solution, the above-prepared monomer solution containing the initiator was added, and further dispersed using an ultrasonic disperser (average particle diameter 2.5 μm). Then, the obtained dispersion was charged into a 1000 mL separable flask, and after nitrogen replacement, polymerization was carried out at 80 ° C. for 8 hours under a nitrogen atmosphere while stirring at 200 rpm. After the completion of the polymerization, the solid was collected by centrifugation, washed with water, and dried under reduced pressure to obtain 93 g of encapsulated yellow 401 (average particle size 2.7 μm, yellow 401
The inclusion rate of the issue is 15% by weight).

Example 3 In a 300 mL beaker, 40 g of lauryl methacrylate, 1,6
-Hexanediol dimethacrylate (50 g) and lauroyl peroxide (1.2 g) were charged, and after dissolution, yellow No. 401 (10 g)
Was added and dispersed. Then, this dispersion is added with a 750% 1.0% aqueous solution of sodium lauryl sulfate (manufactured by Kao, Emal O).
It was added to the dispersion medium (g) and dispersed using a high-pressure homogenizer (average particle size 2.5 μm). Then, the obtained dispersion was charged into a 1000 mL separable flask, and after purging with nitrogen, polymerization was carried out at 75 ° C. for 8 hours under a nitrogen atmosphere while stirring at 200 rpm. After completion of the polymerization, solids were collected by centrifugation, washed with water, and dried under reduced pressure to obtain 94 g of encapsulated Yellow No. 401 (average particle size 2.5 μm, inclusion rate of Yellow No. 401 of 10% by weight).

Example 4 A 300 mL beaker was charged with 2-ethylhexyl acrylate 40
g, 20 g of lauryl acrylate, 35 g of 1,3-butanediol dimethacrylate and 1.3 g of lauroyl peroxide
After being dissolved, 15 g of Red No. 202 was added and dispersed. Then, this dispersion was added with a 0.5% polyvinyl alcohol (Nippon Gosei Kagaku Kogyo, Gohsenol GH-17) aqueous solution 750.
It was then dispersed in a high pressure homogenizer (average particle size 3.5 μm). Then, the obtained dispersion was charged into a 1000 mL separable flask, and after purging with nitrogen, polymerization was carried out at 75 ° C. for 8 hours under a nitrogen atmosphere while stirring at 200 rpm. After the completion of the polymerization, the solid was collected by centrifugation, washed with water, and dried under reduced pressure to obtain 92 g of encapsulated Red No. 20 (average particle size 3.2 μm, inclusion rate of Red No. 202 of 5% by weight).

Example 5 In a 300 mL beaker, polydimethylsiloxypropyl methacrylate (manufactured by Chisso Corporation, Silaplane FM0711, Mw) was used.
1000) 30 g, isostearyl methacrylate 20 g, ethylene glycol dimethacrylate 45 g and lauroyl peroxide 2.0 g were charged, and after dissolution, 5 g of yellow No. 401 was added and dispersed. Then, this dispersion was mixed with 0.5% polyvinyl alcohol (Nippon Gosei Kagaku Kogyo, Gohsenol GH-1
7) /0.1% sodium lauryl sulfate (manufactured by Kao, Emal O) was added to 750 g of the aqueous solution and dispersed using an ultrasonic disperser (average particle diameter 3.7 μm). Then, the dispersion obtained is mixed with 10
Charge into a 00 mL separable flask, replace with nitrogen, and then
Polymerization was carried out at 75 ° C. for 8 hours under a nitrogen atmosphere while stirring at pm. After the completion of the polymerization, the solid was collected by centrifugation, washed with water and dried under reduced pressure to obtain 97 g of encapsulated Yellow No. 401 (average particle size 3.5 μm, inclusion rate of Yellow No. 401 of 5% by weight).

Example 6 A 300 mL beaker was charged with 37.5 g of lauryl methacrylate, 37.5 g of ethylene glycol dimethacrylate and 1.5 g of lauroyl peroxide and dissolved. Followed by yellow 401
The above-mentioned monomer solution is added to No. Wet Cake (composed of 25 g of Yellow No. 401 and 75 g of water) and mixed to remove colored water discharged from the wet cake to obtain a monomer solution having Yellow No. 401 dispersed therein. Add 100 parts of water to this yellow 401 dispersion monomer solution.
After adding and mixing g, the colored water is removed. This operation was performed again to obtain a yellow 401 dispersion monomer solution and 1% polyvinyl alcohol (manufactured by Nippon Synthetic Chemical Industry,
Gohsenol GH-17) was added to 750 g of an aqueous solution and dispersed using an ultrasonic disperser (average particle size 2.2 μm). Then
The dispersion was charged into a 1000 mL separable flask, and after purging with nitrogen, polymerization was carried out at 75 ° C. for 8 hours under a nitrogen atmosphere while stirring at 200 rpm. After the polymerization was completed, the solid was collected by centrifugation, washed with water, dried under reduced pressure, and then encapsulated in yellow.
Obtained 96 g of No. 401 (average particle size 2.1 μm, inclusion rate of yellow No. 401)
25% by weight).

Comparative Example 1 A 300 mL beaker was charged with 75 g of styrene and 2.0 g of lauroyl peroxide, and after dissolution, 25 g of Yellow No. 401 was added and dispersed. Then, this dispersion was mixed with 1.0% polyvinyl alcohol (Nippon Gosei Kagaku Kogyo, Gohsenol GH-1
7) The mixture was added to 750 g of an aqueous solution and dispersed using an ultrasonic disperser (average particle size 3.9 μm). Then, the dispersion obtained is 1000
Charge into a mL separable flask, replace with nitrogen, then 200 rpm
Polymerization was carried out at 75 ° C. for 8 hours under a nitrogen atmosphere while stirring at. After the completion of the polymerization, the solid was collected by centrifugation, washed with water, and dried under reduced pressure to obtain 95 g of encapsulated Yellow No. 401 (average particle diameter 3.7 μm, inclusion rate of Yellow No. 401 of 25% by weight).

Comparative Example 2 In a 200 mL beaker, PMMA resin (Asahi Kasei, Delpet 7
20V) 90g and toluene 900g were charged, and after dissolution, red 22
No. 6 No. 10 g was added and dispersed. Then, this dispersion is 0.5
% Polyvinyl alcohol (Nippon Gosei Kagaku Kogyo, Gohsenol GH-17) /0.2% sodium lauryl sulfate aqueous solution 20
It was added to 00 g and dispersed using an ultrasonic disperser (average particle diameter 2.3 μm). Then, the obtained dispersion was charged into a 5000 mL eggplant flask, and the solvent toluene was distilled off at 60 ° C. under reduced pressure. Then, the solid was collected by centrifugation, washed with water, and dried under reduced pressure to obtain 91 g of encapsulated Yellow No. 401 (average particle size 2.5 μm, inclusion rate of Yellow No. 401 of 10% by weight).

Test Example 1 The encapsulating color pigments obtained in Examples 1 to 6 and Comparative Examples 1 and 2 were evaluated for their tinting strength and fading degree (Table 2).

(Evaluation method) (1) Coloring power (Qt value): (a) 1 g of the encapsulated color pigment was diluted with talc to obtain 100 g.
With the analytical crusher (manufactured by Nihon Rikagaku Kikai) 15
After mixing at 000 rpm for 2 minutes, it is molded with a pressing pressure of 30 kg / cm ² . (B) The spectral reflectance of the molded product is measured with a colorimeter [Murakami Color Research Laboratory Co., Ltd., CMS1200 (colorimetric diameter 6 mmφ)], and the following calculation formulas (1) and (2) are used. The value represented by equation (3) is the coloring power (Qt). Regarding the weight factor, JIS standard Z 872
The value of standard light C (5 nm interval) in the 2-degree visual field described in 2-1971 is used.

[0037]

[Equation 1]

Qt = Qx + Qy + Qz (3)

[Qt: coloring power, Qx, Qy, Qz: values given by equation (2)]

(2) Degree of fading (ΔE): The powder part of the model formulation shown in Table 1 is crushed by an analytical crusher, an ultraviolet protective agent is added to this, and further crushed. This crushed product is press-molded in a solid foundation mold, the color is measured, and this value is used as a reference value (L, a, b). After this was left at 80 ° C for 7 days, the color was measured again, and the color difference between the reference value and the colorimetric value after 7 days was taken as the degree of fading (ΔE = [(ΔL) ² + (Δa) ² + (Δ
b) ² )] ^1/2 ; Table 2). It can be used with a fading degree of 2.0 or less.

[0041]

[Table 1]

[0042]

[Table 2]

Test Example 2 (Examples 7 to 10 and Comparative Example 3) Solid foundations having the compositions shown in Table 3 were produced by a conventional method, allowed to stand at 60 ° C. for 7 days, and allowed to cool. The feeling of use and the coating color were sensory evaluated.

(Feeling of use) Sensory evaluations were mainly conducted on the feeling of application and the feeling of makeup after application by 10 professional panelists.
The following criteria evaluated. ◎: 8 people or more were judged good ○: 5 to 7 people were judged to be good △: 2 to 4 people were judged to be good ×: Less than 1 person was judged to be good

(Coating Color) The sensory evaluation of the coating color was mainly conducted by 10 professional panelists, and the evaluation was carried out according to the following criteria. ◎: 8 people or more were judged good ○: 5 to 7 people were judged to be good △: 2 to 4 people were judged to be good ×: Less than 1 person was judged to be good

[0046]

[Table 3]

Test Example 3 (Examples 11 to 13, Comparative Example 4) Emulsion foundations having the compositions shown in Table 4 were produced by a conventional method, and sensory evaluation was performed in the same manner as in Test Example 2.

[0048]

[Table 4]

Test Example 3 (Examples 14 to 16 and Comparative Example 5) Oily foundations having the compositions shown in the table were produced by a conventional method, and sensory evaluation was conducted in the same manner as in Test Example 2.

[0050]

[Table 5]

[0051]

As described above, the encapsulated color pigment of the present invention is an encapsulated color pigment coated with a cross-linked polymer without causing crystal growth of the color pigment, and can be easily and favorably produced by suspension polymerization. Is. When this pigment is blended in cosmetics, as shown in the following examples, the color stability, blendability, uniformity of coating color and feeling of use in the blending system are achieved while making full use of the vivid color and coloring power inherent in the color pigment. give.

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-60-824 (JP, A) JP-A-8-48899 (JP, A) JP-A-7-331111 (JP, A) JP-A-2000-53545 (JP, A) JP 2000-226307 (JP, A) JP 4-181950 (JP, A) JP 7-248644 (JP, A) JP 9-151342 (JP, A) JP 2000-219749 (JP, A) JP 2000-219841 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) C09B 67/08 A61K 7/00 C09B 67/20

Claims (5)

(57) [Claims] 1. A color pigment as a core material, the Fedors
Mono- solubility parameter calculated by the method has two or more 8.80 or less bicycloalkyl <br/> Nirumonoma over and a radical polymerizable group
A crosslinking agent which is mers as essential, the vinyl monomer and the
An encapsulated color pigment having a wall material of a crosslinked polymer obtained by polymerizing a monomer having a total amount of the crosslinking agent of 50% by weight or more . 2. The coloring pigment is Yellow No. 401 and / or Red No. 20.
The encapsulated color pigment according to claim 1, which is No. 2. 3. Fedors in the presence of color pigments
Monomer solubility parameters calculated by law has two or more 8.80 or less of vinyl <br/> Rumonoma over and a radical polymerizable group
A crosslinking agent which is over an essential, the vinyl monomer and the cross
The method for producing an encapsulated color pigment according to claim 1 or 2 , wherein a monomer having a total amount of the cross-linking agent of 50% by weight or more is suspension-polymerized. 4. A wet-cake color pigment, and Fedo
The dissolution parameter calculated by the rs method is 8.80 or more.
Mixing a vinyl monomer over the bottom, resulting the aqueous phase was removed, according to claim 1 or 2, wherein the suspension polymerization in the presence of a <br/> crosslinking agent is a monomer having a radical polymerizable group at least two Of the encapsulated colored pigment of. 5. A cosmetic containing the encapsulated color pigment according to claim 1 or 2.