Kaolinite, white clay, hydrated aluminum silica.
Insoluble in water, kaolin, due to its high absorption capacity1, lowers excess sebum and impurities, leading to a better look and feel of the skin or scalp. Kaolin is a clay composed of very fine particles an is often used in the formulation of cosmetic products. Vichy Pureté Thermale Purifying mask, Vichy Normaderm Anti-imperfection mask, Ducray Argéal Sebum-absorbing shampoo. Dermatology. 1994;189(4):373-7.