Silicon dioxide is widely used in various personal care products, such as skincare products, sunscreen, makeup, antiperspirants, hair care products, shower gel, facial cleansers, etc. The particle shape of ordinary silica is spherical or nearly spherical, and the particle size is usually 1-100 micrometers. It will scatter and refract light under illumination, with limited reflectivity and covering power.

Cosmetic silica is a non-toxic white powdery substance with various characteristics, such as strong adsorption ability. It can be used as an anti caking agent and thickener in cosmetics, improving storage stability and dispersion of powdered products, and is widely used.