Patents

Shiseido Patents Water-in-Oil Emulsion Sunscreen

The formulation contains titanium dioxide, zinc oxide and dimethyldistearylammonium hectorite.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 11,801,207 B2 (Satoshi Yamaki, Kazutaka Sasaki, Takashi Matsui, Yurika Watanabe, Mayuri Tashiro, Yuko Nagare, Marianne Ayaka Touati, Kazuhiro Yamaguchi); Shiseido Company has patented a water-in-oil emulsion sunscreen cosmetic. It is comprised of a UV protective agent consisting of titanium dioxide and zinc oxide; dimethyldistearylammonium hectorite; an oil-phase-thickening agent consisting of at least one compound selected from the group consisting of dextrin palmitate, stearic ac...

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