A sunscreen composition comprises a carrier and 0.1 to 5% by weight of specified substituted naphthalenylidenes which act as UV filters. The naphthalenylidene, is an optionally substituted naphthalenone or a derivative thereof, such as 4,4,7-trimethyl-4,4a,5,6-tetrahydro-2(3H)-naphthalenone or diethyl-4,4,7-trimethyl-4,4a,5,6-tetrahydro-2(3H)-naphthalenylidene malonate.
一种防晒组合物由载体和 0.1%至 5%(按重量计)的特定取代的亚
萘基化合物组成,亚
萘 基化合物具有紫外线过滤作用。亚
萘(naphthalenylidene)是一种任选取代的
萘酮或其衍
生物,如 4,4,7-三甲基-4,4a,5,6-四氢-2(3H)-
萘酮或
二乙基-4,4,7-三甲基-4,4a,5,6-四氢-2(3H)-亚
萘丙二酸酯。