The present invention concerns synthetic mica powder containing from 75 to 99% of the stoichiometrical composition of fluorine and/or having a shape in which the end face of particle is laminated, process for producing such synthetic mica powder, as well as cosmetics having synthetic mica powder blended...http://www.google.es/patents/US5023065?utm_source=gb-gplus-sharePatente US5023065 - Synthetic mica powder, manufacturing method thereof and cosmetics having the synthetic mica powder blended therein
Synthetic mica powder, manufacturing method thereof and cosmetics having the ...
