cosmetic use of n - acetylated or n propionylierten derivatives of proline, hydroxyproline, and / or by the hydrolysis of collagen aminosaeuremischung received.

摘要

The application, as cosmetic products, of N-acetylated or N-propionylated derivatives of proline, hydroxyproline and/or of the mixture of amino acids which is obtained by hydrolysis of collagen and the salts of these derivatives. The invention also relates to the cosmetic compositions containing the said derivatives.