| abstract |
Provided are a surface-treated powder having excellent dispersibility and dispersion stability, and a cosmetic excellent in dispersion stability over time. SOLUTION: PMMA, nylon, polystyrene, silicone elastomer powder, benzoguanamine, styrene divinylbenzene pinhole polymer, tetrafluoroethylene, polyethylene powder, polyurethane powder, silk powder, organic pigment, one or more of these and metal oxide and / or Or by treating the surface of at least one powder particle selected from a complex with a metal hydroxide with a low molecular weight organosilicon derivative, or a low molecular weight organosilicon derivative and a water-soluble cationic polymer. Hydrophilize the powder. [Selection figure] None |