Water-in-oil type emulsion cosmetic
AssigneeShiseido Company, Ltd.
InventorsShoji Tajima, Tomoko Ikeda
Life of this patent
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Abstract
The present invention provides a water-in-oil type emulsion cosmetic which has a fresh and smooth feeling to the touch; forms a uniform coating film once applied; can make skin unevenness such as pores look less prominent while covering discolorations such as age spots and freckles; and does not give an impression of thick application. The water-in-oil emulsion cosmetic is characterized by including (A) 0.1-10% by mass of a pigment-grade titanium dioxide and (B) 0.01-2% by mass of sodium acrylate grafted starch. It is preferred that this cosmetic further includes (C) spherical particles and/or (D) a silicone elastomer.
Claims2
A water-in-oil emulsion cosmetic, comprising:
- (A) 2 to 8% by mass of a pigment-grade titanium dioxide having an average particle diameter of 200 nm to 1 μm;
- (B) 0.01 to 2% by mass of a sodium polyacrylate starch;
- (C) 2 to 10% by mass of a spherical powder;
- and
- (D) 1 to 10% by mass of a silicone elastomer;
- wherein said (D) silicone elastomer comprises at least one silicone elastomer capable of emulsifying the composition and selected from the group consisting of PEG-10 dimethicone, PEG-9 polydimethylsiloxyethyl dimethicone, lauryl PEG-9 polydimethylsiloxyethyl dimethicone, and lauryl PEG-15 polydimethylsiloxyethyl dimethicone, (dimethicone/(PEG-10/15)) crosspolymer and (dimethicone/polyglycerol-3) crosspolymer.
Dependencies are inferred from the claim text.