abstract |
(57) [Summary] [Problem] To provide an ultrafine zinc oxide / silicone dispersion exhibiting high dispersibility and dispersion stability, and having excellent visible light transmittance and ultraviolet shielding properties, and a method for producing the same. The object of the present invention is to provide an ultraviolet shielding cosmetic composition having excellent performance, comprising the dispersion as an active ingredient. SOLUTION: Ultrafine zinc oxide powder having an average particle diameter of 0.001 to 0.2 μm, a dispersant and a silicone oil as a dispersion medium, preferably ultrafine zinc oxide: 20 to 60% by weight And an ultrafine zinc oxide / silicone dispersion comprising a suspension containing 2 to 10% by weight of a dispersing agent and 30 to 78% by weight of a silicone oil, and ultraviolet light using the dispersion. Disclosed is a cosmetic composition having a shielding property. |