Use of amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations

摘要

Use of amino-substituted hydroxybenzophenones of the formula Iin which the variables have the meanings explained in the description, as photostable UV filters in cosmetic and pharmaceutical preparations for protecting human skin or human hair from the sun's rays, alone or together with compounds which absorb in the UV region and are known per se for cosmetic and pharmaceutical preparations.