divided into dyes (which can be dissolved), pigments (which can be dispersed, colored in solids), mainly related to fashion, fashion, and beautification. Commonly used are:
Iron oxide: including iron red, iron black, iron yellow
Titanium Dioxide: Titanium Dioxide, the world's whitest substance, is a fighter in pigments with strong coverage and adhesion, but poor ductility
Mica titanium: pearl powder, scaly, with glassy luster
Silica: a friction agent for transparent toothpaste, which can also be made into a porous powder for adsorption and sustained release.
Diatomaceous earth: porous structure, high oil absorption (can be used for mud film, oily skin)
Kaolin: a type of clay, white or slightly yellowish ash, with adsorptivity
Talc powder: white, one of the most slippery natural products, excellent ductility, poor oil absorption and adsorption