Utilisation of C20-40 dialkyldimerate for increasing the light protection factor and/or the UV-A protection of cosmetic or dermatologic light protection agents

摘要

Use of C _18-38 -Alkylhydroxystearoylstearat for increasing the light protection factor of cosmetic or dermatological preparations which comprise at least one customary UV filter substance, and the use of C _18-38 -Alkylhydroxystearoylstearat for increasing the UV-A protection performance of cosmetic or dermatological preparations which containing at least one customary UV-a filter substance and / or a broadband filter substance which also granted to UV radiation having a wavelength greater than 335 nm protection.