| abstract |
(57) Abstract: The present invention provides a compound of the following formula 1a and 1b for protecting stress proteins in the skin: (Wherein, R 1 represents H or alkyl, R 2 represents H, COOH, COO-alkyl or CO-NH-R 5 , and R 3 and R 4 each independently represent H or OH Wherein n is 1, 2 or 3, R 5 represents H, alkyl, amino acid group, dipeptide or tripeptide residue, and alkyl contains 1 to 4 carbon atoms An alkyl group), physiologically acceptable salts thereof, and the use of at least one compound selected from the group comprising stereoisomeric forms thereof. These compounds are used in the present invention in the form of a topical composition. |