JP2003171230A - Oil-in-water type emulsified cosmetic - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain an oil-in-water type emulsified cosmetic having excellent dispersibility of metal oxide powder, improved emulsifiability and stability with time and improved makeup lasting quality. <P>SOLUTION: This oil-in-water type emulsified cosmetic comprises a component (a) of an organosilicone resin, a component (b) of an hydrophilic nonionic surfactant, a component (c) of a lipophilic nonionic silicone-based surfactant and a component (d) of metal oxide powder. In the oil-in-water type emulsified cosmetic, the component (a) is an acrylic-silicone graft copolymer. In the oil-in- water type emulsified cosmetic, the component (c) is a polyether modified organopolysiloxane. Any of the oil-in-water type emulsified cosmetics contains higher fatty acid soap as a component (e). <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an oil-in-water emulsion cosmetic containing an organic silicone resin, a hydrophilic nonionic surfactant, a lipophilic nonionic silicone surfactant and a metal oxide powder, More specifically, the present invention relates to an oil-in-water type emulsion cosmetic having excellent dispersibility of metal oxide powder, good emulsification property and stability over time, and good cosmetic durability.

[0002]

2. Description of the Related Art Oil-in-water emulsion cosmetics are usually composed of oil-based components, water-based components, surfactants and the like. When imparting a cosmetic effect or an ultraviolet protection function, titanium oxide, Various powders such as zinc oxide are mixed. Here, in the oil-in-water emulsion cosmetic, it is extremely important to uniformly disperse the powder without agglomerating it. The reason for this is that if the powder remains agglomerated, it causes problems such as a decrease in the ultraviolet ray shielding effect, a phenomenon in which the color and feel of use differ for each production lot, and a phenomenon in which the appearance color and the coating color of the cosmetic material differ. Is. Therefore, conventionally, a method of surface-treating powder to improve dispersibility, a method of blending a resin having excellent dispersibility of powder, and the like have been used.

[0003]

However, in the method of improving the dispersibility by surface-treating the powder, the dispersibility is improved to some extent by controlling the wettability of the powder, but it is not at a satisfactory level. . Further, in the method of blending a resin having excellent powder dispersibility, the resin is adsorbed to the powder, so that the dispersibility is improved to some extent, but the emulsifying property is deteriorated, and it becomes difficult to maintain stability over time. There were cases. Therefore, the dispersibility of the metal oxide powder is excellent,
It has been desired to develop an oil-in-water emulsified cosmetic composition which has good emulsification properties and stability over time, and good cosmetic durability.

[0004]

In view of the above circumstances, the present inventor has conducted extensive studies and as a result, as a result, an organic silicone resin, a hydrophilic nonionic surfactant, a lipophilic nonionic silicone surfactant and a metal. The inventors have found that an oil-in-water emulsion cosmetic containing an oxide powder can solve the above-mentioned problems and completed the present invention.

That is, the present invention provides the following components (a)-
(D); (a) Organic silicone resin (b) Hydrophilic nonionic surfactant (c) Lipophilic nonionic silicone surfactant (d) Water containing a metal oxide powder An oil type emulsion cosmetic is provided. In addition, the oil-in-water emulsion cosmetic, wherein the component (a) is an acrylic-silicone graft copolymer, and the oil-in-water is characterized in that the component (c) is a polyether-modified organopolysiloxane. A type emulsified cosmetic is provided. Further, the present invention provides any one of the above oil-in-water emulsion cosmetics, characterized in that it contains a higher fatty acid soap as the component (e).

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below.
The component (a) organosilicone resin used in the present invention is
It is a component that improves the dispersibility of the component (d) and enhances the makeup lasting, and specifically, trimethylsiloxysilicic acid, a high degree of polymerization methyl polysiloxane, a high degree of polymerization methylphenyl polysiloxane, a cross-linking type methyl polysiloxane. , Cross-linked methylphenyl polysiloxane, cross-linked polyether modified silicone, acryl-silicone graft copolymer, long-chain alkyl-modified acryl-silicone graft copolymer, polyvinylpyrrolidone-modified methyl polysiloxane, and the like. Two or more kinds can be used. Such a component (a) is commercially available as silicon KF7312 which is trimethylsiloxysilicic acid.
J, Silicon KF9021 (all manufactured by Shin-Etsu Chemical Co., Ltd.), Silicon K, which is a highly polymerized methyl polysiloxane.
F96H (10 million cs), Silicon KF9012
(All manufactured by Shin-Etsu Chemical Co., Ltd.), silicone KSG-15, KSG-16, K, which is a cross-linked methylpolysiloxane.
SG-18, KSG-21, KSG-31 (all manufactured by Shin-Etsu Chemical Co., Ltd.), KSG-17 (manufactured by Shin-Etsu Chemical Co., Ltd.) that is a cross-linking methylphenylpolysiloxane, and an acrylic-silicone graft copolymer. KP541, KP
543, KP545, KP561, KP562 (all manufactured by Shin-Etsu Chemical Co., Ltd.) and the like.

The content of the component (a) in the oil-in-water emulsion cosmetic of the present invention is preferably 0.01 to 10% by mass (hereinafter, simply abbreviated as "%"), and 0.5 to 5%. Particularly preferred. When the component (a) is used within this range, an oil-in-water type emulsion cosmetic having particularly good usability and dispersibility of the metal oxide powder can be obtained.

The component (b) hydrophilic nonionic surfactant used in the present invention is a surfactant which does not contain an ionic group and is a hydrophilic surfactant. In the present invention, the term “hydrophilic” means that HLB is 8 to 18, for example. Specifically, non-ionic substances such as polyoxyethylene-added sorbitan fatty acid ester, polyoxyethylene-added sorbit fatty acid ester, polyethylene glycol fatty acid ester, polyoxyethylene alkyl ether, polyoxyethylene polyoxypropylene alkyl ether, and polyglycerin fatty acid ester. One or more hydrophilic surfactants can be selected and used from the surfactants. In addition, among these, HLB is 8 as the component (b).
When the polyoxyethylene-added sorbitan fatty acid ester of -18 is selected, the dispersibility of the metal oxide powder becomes particularly good.

The content of the component (b) in the oil-in-water emulsion cosmetic of the present invention is preferably 0.01 to 10%,
5 to 5% is particularly preferable. When the component (b) is used within this range, an oil-in-water emulsion cosmetic having particularly good usability and dispersibility of the metal oxide powder can be obtained.

The component (c) lipophilic nonionic silicone surfactant used in the present invention is a lipophilic surfactant having a siloxane skeleton which does not contain an ionic group. In the present invention, lipophilic means, for example, HLB of 3 to 6. Specific examples include lipophilic surfactants selected from polyether-modified organopolysiloxane, long-chain alkyl-containing polyoxyalkylene-modified organopolysiloxane, and the like, and one or more of these may be used. Examples of the polyether-modified organopolysiloxane include compounds represented by the following general formula (1).

[0011]

[Chemical 1]

[Wherein R ^{1 is a} hydrogen atom or has 1 to 5 carbon atoms]
A monovalent hydrocarbon group. _{^{R 2 ;-( CH 2) l -O-}} (C 2
_{H 4 O) x - (C} 3 H 6 O) y -R 3. R ³ ; hydrogen atom, lower alkyl group. a, b; a number selected from 0, 1, 2, 3. However, a + b = 3. m, n; 0 or a positive integer. l; positive integer. x; 0 or a positive integer, y; 0 or a positive integer, and x and y are not 0 at the same time. However, n + b is an integer of 1 or more. ]

The polyether-modified organopolysiloxane used in the present invention is commercially available as KF-6015,
KF-6016, KF-6017, X-22-499
1, KF-6028 (all manufactured by Shin-Etsu Chemical Co., Ltd.), S
H-3775C (manufactured by Toray Dow Corning Silicone Co., Ltd.) and the like.

Examples of the long-chain alkyl-containing polyoxyalkylene-modified organopolysiloxane include compounds represented by the following average composition formula (2) or (3). R ⁴ _a R ⁵ _b R ⁶ _c SiO _{(4-abc) / 2} (2) [In the formula, R ⁴ may be the same or different and has 1 to 1 carbon atoms.
0 alkyl group, hydrogen atom, aryl group, aralkyl group, fluorine-substituted alkyl group. R ^5; -C _m H _2m -O-
A group represented by (C ₂ H ₄ O) _d- (C ₃ H ₆ O) _e -R ⁷ (in the formula, m; an integer of 1 to 5, d and e are integers of 0 or more, and
d + e = a 1 to 200, ^{R 7;} a hydrogen atom or a C1-5 monovalent hydrocarbon group or - (CO) organic group represented by -R ^{8, R 8;} monovalent C1-5 Hydrocarbon group). R ⁶ : a monovalent hydrocarbon group having 10 to 30 carbon atoms. a,
b and c are 1.0 ≦ a ≦ 2.5 and 0.001 ≦ b, respectively.
≦ 1.5 and 0.001 ≦ c ≦ 1.5. ]

R ⁹ _a R ¹⁰ _b R ¹¹ _c SiO _{(4-abc) / 2} (3) [In the formula, R ⁹ may be the same or different and has 1 to 1 carbon atoms.
0 alkyl group, hydrogen atom, aryl group, aralkyl group, fluorine-substituted alkyl group. R ^10; -C _m H _2m -O-
_{(C 2 H 4 O) d} - (C 3 H 6 O) groups (wherein represented by _e -R ^12, m is an integer of from 1 to 5, d, e is an integer of 0 or more, and, d + e = 1 a to 200 ^{DEG, R 12} is a monovalent hydrocarbon group or a C1-5 hydrogen atom or a carbon - (CO) -R
The organic group represented by ^{13, R 13} is a monovalent hydrocarbon group having 1 to 5 carbon atoms). _{^{R 11; -C n H 2n -O-}} (C 2 H 4 O) f -
_{(C 3 H 6 O) g} -R 14 ( wherein, n an integer of 1 to 5,
f and g are integers of 0 or more, and f + g ≧ 0 to 200, and R ¹⁴ is a monovalent hydrocarbon group having 10 to 30 carbon atoms).
a, b and c are 1.0 ≦ a ≦ 2.5 and 0.001 respectively
≦ b ≦ 1.5 and 0.001 ≦ c ≦ 1.5. ]

Such long-chain alkyl-containing polyoxyalkylene-modified organopolysiloxanes are commercially available products such as ABIL EM-90, ABIL B9806 (all manufactured by Gold Schmidt), and silicon KF-60.
26 (manufactured by Shin-Etsu Chemical Co., Ltd.) and the like.

The content of the component (c) in the oil-in-water emulsion cosmetic of the present invention is preferably 0.1 to 10%. When the component (c) is used in this range, an oil-in-water type emulsion cosmetic having excellent dispersibility and emulsification of the metal oxide powder can be obtained.

The component (d) metal oxide powder used in the present invention is a powder of titanium oxide, zinc oxide, zirconium oxide, cerium oxide, iron oxide or the like. Among these,
An average particle diameter of 0.01 to 0.2, which is excellent in the effect of blocking ultraviolet rays.
As the component (d), titanium oxide, zinc oxide and cerium oxide having a thickness of μm are particularly preferable. The component (d) may be surface-treated by a known method using a fluorine compound, a silicone-based oil agent, a metal soap, a wax, a surfactant, a fat or oil, a hydrocarbon and the like.

The content of the component (d) in the oil-in-water emulsion cosmetic of the present invention is preferably 1 to 40%, and 5 to 30%.
Is particularly preferable. When the component (d) is used within this range, an oil-in-water type emulsion cosmetic having excellent dispersibility and emulsification property of the metal oxide powder can be obtained.

In the oil-in-water emulsified cosmetic composition of the present invention, by using a higher fatty acid soap as the component (e) in addition to the above components, the emulsifying property and the temporal stability are more excellent. In the present invention, the component (e) functions as an emulsifier. Such component (e) may be obtained by using a pre-neutralized higher fatty acid soap as an emulsifier or by neutralizing the higher fat with an alkali during the cosmetic production process. As the higher fatty acid constituting the component (e), lauric acid, myristic acid, palmitic acid, stearic acid,
Examples thereof include isostearic acid, behenic acid, 12-hydroxystearic acid, and cerotic acid, and one or more of these can be used. Further, in the component (e), examples of the alkali to form soap with the higher fatty acid include sodium hydroxide, potassium hydroxide, triethanolamine and the like. The amount of neutralization is determined by the equivalent amount of higher fatty acid.

The content of the component (e) in the oil-in-water emulsion cosmetic of the present invention is preferably 0.1 to 5%, and 0.5 to
3% is particularly preferred. When the component (e) is used within this range, it is possible to obtain an oil-in-water type emulsion cosmetic having more excellent emulsifiability and stability over time.

The content of water in the oil-in-water emulsion cosmetic of the present invention is preferably 40 to 95%.

In the oil-in-water emulsion cosmetic of the present invention, in addition to the above components, an oil agent, a powder other than the component (d), an aqueous component, and a benzophenone-based component, if necessary, within a range that does not impair the effects of the present invention. , Para-aminobenzoate-based, cinnamic acid-based, salicylic acid-based, 4-tert-butyl-4'-methoxydibenzoylmethane, ultraviolet absorbers such as oxybenzone, humectants such as glycerin, protein, mucopolysaccharide, collagen, elastin, α- Antioxidants such as tocopherol and ascorbic acid, vitamins, antiphlogistics, cosmetic ingredients such as crude drugs, preservatives such as paraoxybenzoic acid ester and phenoxyethanol, perfumes and the like can be appropriately added.

The oil agent used in the present invention is not particularly limited as long as it is an oil agent usually used in cosmetics, and the origin of animal oil, vegetable oil, synthetic oil and the like, solid oil, semi-solid oil, liquid oil,
Oils such as hydrocarbons, oils and fats, waxes, hardened oils, ester oils, higher alcohols, silicone oils, fluorine oils, lanolin derivatives, etc., regardless of the properties of volatile oils, etc. . Specifically, liquid paraffins, α-olefin oligomers, hydrocarbons such as squalane and vaseline, olive oil, castor oil, jojoba oil, mink oil, oils and fats such as macadamian nut oil, beeswax, carnauba wax, candelilla. Waxes such as wax and gallows,
Diisobutyl adipate, 2-hexyldecyl adipate, di-2-heptylundecyl adipate, alkyl glycol monoisostearate, isocetyl isostearate, trimethylolpropane triisostearate, ethylene glycol di-2-ethylhexanoate, 2
-Cetyl ethylhexanoate, neopentyl glycol di-2-ethylhexanoate, trimethylolpropane tri-2-ethylhexanoate, pentaerythritol tetra-2-ethylhexanoate, cetyl octanoate, octyldodecyl gum ester, oleyl oleate. , Octyldodecyl oleate, Decyl oleate, Neopentyl glycol dicaprate, Triethyl citrate, 2-Ethylhexyl succinate, Amyl acetate, Ethyl acetate, Butyl acetate, Isocetyl stearate, Butyl stearate, Diisopropyl sebacate, Di sebacate -2-ethylhexyl, cetyl lactate, myristyl lactate, isopropyl palmitate, 2-ethylhexyl palmitate,
2-hexyldecyl palmitate, 2-heptylundecyl palmitate, cholesteryl 12-hydroxystearyl acid, dipentaerythritol fatty acid ester, isopropyl myristate, 2-octyldodecyl myristate, 2-hexyldecyl myristate, myristyl myristate, Hexyldecyl dimethyloctanoate, ethyl laurate, hexyl laurate, N-lauroyl-L-glutamic acid-2-octyldodecyl ester,
Diisostearyl malate, pentaerythritol rosinate, acetoglyceryl, glyceryl triisooctanoate, glyceryl triisostearate, glyceryl triisopalmitate, glyceryl tri-2-ethylhexanoate, glyceryl monostearate, di-2- Esters such as glyceryl heptylundecanoate, glyceryl trimyristate, diglyceryl isostearate myristate, N-lauroyl-L-glutamic acid di (phytostearyl-2-octyldodecyl), N-lauroyl-L-glutamic acid di (cholesteryl. Behenyl octyldodecyl), N-lauroyl-L-glutamate di (cholesteryl octyldodecyl) and other amino acid oils, stearyl alcohol, cetyl alcohol, behenyl alcohol , Higher alcohols such as lauryl alcohol, oleyl alcohol, isostearyl alcohol, low polymerization degree dimethylpolysiloxane, methylphenylpolysiloxane, decamethylcyclopentasiloxane, octamethylcyclotetrasiloxane, alkoxy-modified polysiloxane, fluorine-modified silicone, etc. Fluorine oils such as silicones and perfluoropolyether, lanolin, lanolin acetate, lanolin fatty acid isopropyl, lanolin derivatives such as lanolin alcohol, dextrin fatty acid ester, sucrose fatty acid ester, starch fatty acid ester, oily gelling agent such as calcium stearate And the like. These can be used alone or in combination of two or more. The content of the oil agent in the oil-in-water emulsion cosmetic of the present invention is preferably 1 to 50%.

The powders other than the component (d) used in the present invention are for the purpose of adjusting the feel and imparting a makeup effect, and if they are usually used in cosmetics, they are plate-like or spindle-like. No particular limitation is imposed on the shape of the needle, etc., the particle size, the porosity, the non-porous particle structure, etc., and examples thereof include inorganic powders, glittering powders, organic powders, pigment powders, and composite powders. To be Specifically, konjac, ultramarine, silicic acid anhydride, magnesium carbonate, calcium carbonate, aluminum hydroxide, chromium hydroxide, carbon black, aluminum silicate, magnesium silicate, magnesium aluminum silicate, mica, smectite, bentonite, kaolin. , Synthetic mica, synthetic sericite, sericite, talc, silicon carbide, barium sulfate, boron nitride and other inorganic powders, bismuth oxychloride, titanium mica, iron oxide coated mica, iron oxide coated mica titanium, organic pigment coated mica titanium ,
Bright powders such as aluminum powder, magnesium stearate, zinc stearate, N-acyl lysine,
Polystyrene, nylon, polymethylmethacrylate,
Examples thereof include organic powders such as polymethylsilsesquioxane powder and organopolysiloxane elastomer powder, and these may be used alone or in combination of two or more. Further, these powders may be used alone or in combination of two or more kinds, and fluorine compounds, silicone-based oil agents, metal soaps, waxes, surfactants, oils and fats,
It may be subjected to surface treatment by a known method using a hydrocarbon or the like. When the oil-in-water emulsion cosmetic of the present invention contains a powder other than the component (d), the content is 0.1.
-40% is preferable.

The aqueous component used in the present invention is used for the purpose of a texture modifier, a moisturizer, a cooling agent, an antiseptic agent, etc., and alcohols such as ethanol and isopropyl alcohol, propylene glycol, 1,3-. Glycols such as butylene glycol, dipropylene glycol, polyethylene glycol, glycerin, diglycerin,
Glycerols such as polyglycerin may be used, and one or more of these may be used. When the oil-in-water emulsion cosmetic of the present invention contains an aqueous component, its content is preferably about 0.1 to 30%.

The water-soluble polymer used in the present invention is used for the purpose of a viscosity modifier, a feel modifier, etc.,
Guar gum, sclerotium gum, gellan gum, pectin, agar, sodium chondroitin sulfate, hyaluronic acid, gum arabic, sodium alginate, carrageenan, xanthan gum, locust bean gum, methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, carboxy vinyl polymer, alkyl modified carboxy vinyl Polymers, polyvinyl alcohol, polyvinylpyrrolidone, sodium polyacrylate and the like can be mentioned, and these can be used alone or in combination of two or more. When an alkyl-modified carboxyvinyl polymer is selected as the water-soluble polymer used in the present invention, an oil-in-water emulsion cosmetic having particularly excellent powder dispersibility and emulsion stability can be obtained. When the oil-in-water emulsion cosmetic of the present invention contains a water-soluble polymer, its content is preferably about 0.01 to 5%.

The oil-in-water emulsion cosmetic of the present invention is a skin care cosmetic such as emulsion, beauty cream, massage, beauty essence, foundation, base material, face color, blusher, lipstick, eye product, sunscreen, concealer. It is applicable to makeup cosmetics and the like. The form of the oil-in-water emulsion cosmetic of the present invention is cream, gel,
It may be an emulsion, a liquid, or a solid.

[0029]

EXAMPLES The present invention will be described in more detail with reference to the following examples. These do not limit the present invention in any way.

Examples 1 to 6 and Comparative Examples 1 to 3: Creamy sunscreens Creamy sunscreens having the compositions shown in Tables 1 and 2 were prepared by the following production method, and "metal oxide dispersibility" was obtained. ",
Each item of "emulsifying property", "stability over time", and "persistence of makeup" was evaluated by the following evaluation methods and criteria, and the results are also shown in Tables 1 and 2.

[0031]

[Table 1]

[0032]

[Table 2]

(Production Method) A: Components 1 to 10 are heated and mixed. B: Ingredients 11 to 15 are added to A and uniformly dispersed, and the temperature is 70 ° C.
Keep it warm. C: Components 16 to 20 are heated and mixed, and the temperature is kept at 70 ° C. D: Add B to C and emulsify. E: D was cooled to room temperature and filled in a tube to obtain a creamy sunscreen.

Evaluation Method: Dispersibility of Metal Oxide Powder The creamy sunscreens of Examples and Comparative Examples were observed with a microscope, and the dispersion state of the metal oxide powder was judged according to the following criteria. When the metal oxide powder is a fine particle metal oxide powder, good UV dispersibility is obtained when the dispersibility is good. (Judgment criteria) State: Judgment uniform dispersion without aggregation: ◎ There is small aggregation: △ There is large aggregation: ×

Evaluation method: Emulsifying property The creamy sunscreens of Examples and Comparative Examples were observed with a microscope, and the dispersion state of emulsified droplets was evaluated according to the following criteria. (Judgment Criteria) State: Judgment Emulsified small and uniform: ◎ Emulsified droplets are uniformly dispersed: ○ Emulsified aggregation is present: △ Emulsified droplets are large and aggregated: ×

Evaluation method: stability over time The creamy sunscreens of Examples and Comparative Examples were filled in glass bottles, allowed to stand at 40 ° C. for 1 month, and observed under a microscope. The dispersion state of emulsified drops is shown below. It was judged according to the judgment criteria. (Judgment Criteria) State: Judgment Emulsified small and uniform: ◎ Emulsified droplets are uniformly dispersed: ○ Emulsified aggregation is present: △ Emulsified droplets are large and aggregated: ×

Evaluation method: Persistence of makeup The creamy sunscreen preparations of Examples and Comparative Examples were used by 20 women with a makeup history of 10 years or more, and the condition immediately after application and after 6 hours of daily living The states were compared, and each of them was evaluated on a scale of 5 according to the following evaluation criteria, and the average score of all panels was determined according to the following criteria. (Evaluation criteria) State change: No rating change at all: 5 points Slightly powdery but within tolerance: 4 points Slightly floating powder: 3 points Slightly powdery feeling: 2 points Makeup film uneven It is: 1 point (judgment standard) Average score: Judgment 4.5 or more: ◎ 3.5 or more and less than 4.5: ○ 2.0 or more and less than 3.5: △ less than 2.0: ×

As is clear from the results shown in Tables 1 and 2,
The creamy sunscreens of Examples 1 to 6, which are the products of the present invention, are excellent in the dispersibility of metal oxides, and thus have a high ultraviolet shielding effect, and all of the emulsifying properties, stability over time, and makeup sustainability. It was an oil-in-water type emulsion cosmetic excellent in items. on the other hand,
In Comparative Example 1 containing no component (a), the dispersibility and makeup sustainability of the metal oxide powder were poor, and in Comparative Example 2 containing no component (b), the dispersibility and emulsifying property of the metal oxide powder were poor. In Comparative Example 3 containing no component (c), the stability over time was inferior, and none of them satisfied all the items.

[0039]   Example 7: Creamy foundation (Ingredient) (mass%)   1. Stearic acid 0.5   2. Cetanol 1   3. Polyoxyethylene (20 mol) sorbitan       Monooleate 0.8   4. Polyether-modified organopolysiloxane (Note 6) 0.4   5. Cross-Linked Methyl Polysiloxane Component of the Invention (Note 9) 5   6. Glyceryl trioctanoate 5   7. Glycerin 3   8.1,3-butylene glycol 5   9. Carboxy vinyl polymer 0.1 10. Ethyl Methacrylate Acrylate Copolymer Emulsion 1 11. Triethanolamine 0.5 12. Methyl paraoxybenzoate 0.2 13. Purified water Remaining amount 14. Fluorine compound treated titanium oxide (Note 10) 5 15. Fluorine compound treated fine particles titanium oxide (Note 10) 5 16. Fluoride compound treated red iron oxide (Note 10) 0.5 17. Fluorine compound-treated yellow iron oxide (Note 10) 1 18. Fluorine compound-treated black iron oxide (Note 10) 0.1 19. L-ascorbyl magnesium phosphate 0.1 20. Fragrance suitable amount * Note 9: Silicon KSG16 (Shin-Etsu Chemical Co., Ltd.) * Note 10: Asahi Guard AG530 (manufactured by Asahi Glass Co., Ltd.) is neutralized and treated with a solid content of 5%

(Production Method) A: Components 7 to 13 are heated and mixed. B: Ingredients 14 to 19 were added to A, and the mixture was uniformly dispersed.
Keep it warm. C: Components 1 to 6 are heated and mixed, and the temperature is kept at 70 ° C. D: Add C and ingredient 20 to B and emulsify. E: D was cooled to room temperature and filled in a tube to obtain a creamy foundation. The cream-type foundation of Example 7 is an oil-in-water type emulsion cosmetic having a high ultraviolet shielding effect because of its excellent dispersibility of metal oxides, and having excellent emulsifiability, stability over time, and makeup lasting. It was

[0041]   Example 8: Creamy eye color (Ingredient) (mass%)   1. Stearic acid 1   2. Cetanol 0.5   3. Polyoxyethylene (20 mol) sorbitan       Monooleate 0.4   4. Polyether-modified organopolysiloxane (Note 11) 0.2   5. Dimethyl polysiloxane 2   6. Perfluoropolyether 3   7. Trimethylsiloxysilicic acid solution (Note 2) 5   8. Acrylic-silicone graft copolymer (Note 1) 5   9.1,3-butylene glycol 5 10. Alkyl-modified carboxyvinyl polymer (Note 8) 0.1 11. Carrageenan 0.05 12. Triethanolamine 1 13. Methyl paraoxybenzoate 0.1 14. Purified water Remaining amount 15. Silicone treated titanium oxide (Note 12) 2 16. Silicone treated mica titanium (Note 13) 5 17. Silicone treated mica titanium (Note 14) 0.2 18. Silicone treated mica titanium (Note 15) 0.1 19. Silicone treated black iron oxide (Note 16) 0.05 20. L-ascorbyl magnesium phosphate 0.1 21. Fragrance suitable amount * Note 11: Silicon KF-6028 (Shin-Etsu Chemical Co., Ltd.)   Note 12: SA-Titanium CR-50 (manufactured by Miyoshi Kasei Co., Ltd.)   Note 13: SA-Timiron Super Red (manufactured by Miyoshi Kasei)   Note 14: SA-Timiron Super Gold (manufactured by Miyoshi Kasei Co.)   Note 15: SA-Timiron Super Scene MP1001 (manufactured by Miyoshi Kasei Co., Ltd.)   Note 16: SA-Black BL-100 (100%) (manufactured by Miyoshi Kasei Co., Ltd.)

(Production Method) A: Components 9 to 14 are heated and mixed. B: Ingredients 15 to 20 are added to A, uniformly dispersed, and 70 ° C.
Keep it warm. C: Components 1 to 8 are heated and mixed, and the temperature is kept at 70 ° C. D: Add C and ingredient 21 to B and emulsify. E: D was cooled to room temperature and filled in a container to obtain a creamy eye color. The creamy eye color of Example 8 was an oil-in-water emulsified cosmetic excellent in all the items of dispersibility of metal oxide, emulsification property, stability over time, and durability of makeup.

[0043]

As described above in detail, the oil-in-water emulsion cosmetic of the present invention has excellent dispersibility of metal oxide powder, good emulsification property and stability over time, and good makeup durability. It was a simple oil-in-water emulsion cosmetic.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) A61K 7/032 A61K 7/032 7/42 7/42 F term (reference) 4C083 AB211 AB232 AB242 AC022 AC072 AC122 AC241 AC242 AC342 AC422 AC442 AC482 AC542 AC812 AD022 AD042 AD092 AD151 AD152 AD161 AD162 AD352 AD642 BB02 BB03 BB04 CC05 CC12 CC14 CC19 DD33 EE01 EE07 EE17

Claims (4)

[Claims] 1. The following components (a) to (d): (A) Organic silicone resin (B) Hydrophilic nonionic surfactant (C) Lipophilic nonionic silicone surfactant (D) Metal oxide powder An oil-in-water type emulsified cosmetic characterized by containing: 2. The oil-in-water emulsion cosmetic according to claim 1, wherein the component (a) is an acrylic-silicone graft copolymer. 3. The composition according to claim 1, wherein the component (c) is a polyether-modified organopolysiloxane.
The oil-in-water emulsion cosmetic described. 4. The oil-in-water emulsified cosmetic composition according to claim 1, further comprising a higher fatty acid soap as the component (e).