| abstract |
Cosmetic formulations are described which contain dihydroxyacetone and a topical carrier and one or more compounds selected from the compounds of the formulas Ia and Ib DOLLAR F1, the physiologically tolerable salts of the compounds of the formulas Ia and Ib and the stereoisomeric forms of the compounds of the formulas Ia and Ib, where R · 1 ·, R · 2 ·, R · 3 ·, R · 4 · and n have the meanings given in Claim 1. These cosmetic formulations are distinguished, for example, by the fact that dihydroxyacetone's UV-A protective action is enhanced. |