ImerCare® 04K is a fine particle size, natural, inert, hydrous kaolin (china clay). It is designed for formulations where rheology, absorption and high whiteness are desired. It provides an opacifying effect and texturing effect in creams and foundations. When used in face masks, it absorbs sebum and impurities. ImerCare® 04K is Cosmos approved and specifically heat-treated to control microbial organisms.