Shiseido Company, Limited

Hirohito Shirakami

Kazuyuki Miyazawa

Yuki Sugiyama

Takahiro Yamashita

Ryosuke Doi

The purpose of the present invention is to provide a water-in-oil emulsion cosmetic that, while having an excellent hair-styling effect, exhibits a strong ability to moisturize the coated tissue, provides a smooth finger manipulation sense unlike that of a cream or wax, and does not produce stickiness on the hands and hair. The water-in-oil emulsion cosmetic according to the present invention is characterized by containing (A) a crosslinked siloxane elastomer, (B) a solid oil component, (C) a liquid oil component, and (D) at least 55 mass % water, wherein the ratio of component (B) to component (C) ((B)/(C)) is 0.25 to 1.5.

Water-in-oil emulsion cosmetic

A starting (raw) material, for cosmetics, comprising a core corona type microgel dispersion obtained by radical polymerization of a specific polyethylene oxide macromonomer, a specific hydrophobic monomer, and a specific cross-linking monomer under specific conditions. The purpose of the present invention is to provide the raw material for cosmetics, with which the cosmetic having a high stability provides a good feeling in use and does not cause skin irritation, can be easily produced.

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Yokohama, Japan

Hirohito Shirakami