Shiseido Company, Limited

Yuji Sonoyama

Shun Kubota

Hideo Hata

Tomoko Ikeda

Tetsuya Kanemaru

Tomo Osawa

Ayano Matsuo

Takuya Hiruma

Hikari Ohira

Mariko Akutsu

Mao Hitomi

Mariko Chihara

Provided is an elastomer that improves the skin feel of an inorganic powder. The elastomer according to the present invention is an elastomer comprising: (A) an amino group-containing silicone polymer; and (B) a carboxyl group-containing silicone polymer or a carboxyl group-containing acrylamide polymer, wherein a molar ratio Y/X between amino groups and carboxyl groups is within a range of 0.1 to 1.2, wherein Y denotes the molar amount of carboxyl groups contained in the component (B), and X denotes the molar amount of amino groups contained in the component (A).

Elastomer

An objective of the present invention is to provide a solid powder cosmetic excellent in impact resistance and usability despite that boron nitride and spherical resin particle are blended in a large amount. The present invention provides a solid powder cosmetic comprising: 12-30 mass % of synthetic fluorphlogopite iron; 5-15 mass % of boron nitride; and 5-15 mass % of phenyl-modified silicone spherical elastic powder.

Solid powder cosmetic

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Yokohama, Japan

Yuji Sonoyama