abstract |
PROBLEM TO BE SOLVED: To provide means for preventing localization of special function powder over time in a powder-containing cosmetic. [MEANS FOR SOLVING PROBLEMS] (1) A surface-treated powder obtained by treating the surface with a perfluoroalkylsilane represented by the general formula (1); and (2) sericite titania, silica / iron oxide-coated sericite titania, dioxide dioxide One or more selected from titanium-coated silica, fibers having a length of 10 to 1000 μm, tubular titanium dioxide, cleaved talc, cleaved sericite, iris foil, hydroxyapatite-treated powder, and metal ion clathrate clay mineral Is included in cosmetics. [Chemical 1] Formula (I) [Selection figure] None |