Patent ID: 6491901
Filing Date: 2002-12-10
Classification: A61K,A61Q

Abstract:
A cosmetic or dermatological formulation comprising an oxidation-and/or UV-sensitive light protection filter substance chosen from the group consisting of one or both in combination of 4-(tert-butyl)-4â€²-methoxydibenzoylmethane and ethylhexyl p-methoxycinnamate, and a stabilizing formulation comprising a synergistic combination of 2-ethylhexyl 2-cyano-3,3-diphenylacrylate and one or more dialkyl naphthalates, wherein the 2-ethylhexyl 2-cyano-3,3-diphenylacrylate and the dialkyl naphthalates are present in a ratio of their respective weight percentages in the total formulation, of between about 0.03 to about 0.9 and the 2-ethylhexyl 2-cyano-3,3-diphenylacrylate comprises less than 3.5% of the formulation.