ALUMINA

ALUMINA

Thickener, opacifying
Natural

Alumina, or aluminum oxide (chemical formula Al2O3 ), is a white, odorless powder that is not soluble in water or alcohol. It is extracted from minerals such as clay, mica or bauxite. In cosmetics, it is used as an absorbent and thickening agent, as well as an opacifier in makeup and sunscreen.