Light stable cosmetics barrier compositions

Application Number: 00108286
Application Date: 2000.05.10
Publication Number: 1274577
Publication Date: 2000.11.29
Priority Information: 1999/5/12 EP 99109515.9
International: A61K7/40
Applicant(s) Name: F. Hoffmann-La Roche AG
Inventor(s) Name: Gaye Beuset;Girbert Pitet;Joel Francoyes Richard
Patent Agency Code: 11105
Patent Agent: wu xiaonan
Abstract The present invention relates to a photostable cosmetic or pharmaceutical light screening composition containing a dibenzoylmethane UV-A screening agent and a p-methoxycinnamate UV-B screening agent, one of said agents being incorporated into a polymer latex; and, optionally, other conventional UV-A and UV-B screening agents. Additionally, the present invention relates to a method of photostabilizing dibenzoyl-methane UV-A screening agents and p-methoxycinnamate UV-B screening agents when used together, by incorporating one of these agents into a polymer latex.