Patent ID: 7250174
Filing Date: 2007-07-31
Classification: A61K,A61P,A61Q,C03C

Abstract:
1. A method for preserving cosmetic compositions comprising admixing bioactive glass and a substantially anhydrous cosmetic formulation, wherein said bioactive glass comprises from about 30% to about 96% silicon dioxide (SiO 2 ), from about 4% to about 46% calcium oxide (CaO), from about 1% to about 15% phosphorus oxide (P 2 O 5 ) and up to about 35% sodium oxide (Na 2 O), all by weight of said bioactive glass, with the proviso that said bioactive glass does not comprise ions of silver, copper or zinc, wherein said bioactive glass comprises from about 0.05% to about 30% by weight of said cosmetic composition, wherein said cosmetic formulation is selected from the group consisting of lip products, face powder products, hair care products, deodorant products and soap products, and wherein said composition does not result in a significant skin sensitivity response when applied.