GLYCYRRHETINIMIDYL HYDROXYPROLINE ALKYL ESTERS AND PROTECTED DERIVATIVES THEREOF

摘要

The present invention is directed to glycyrrhetinimidyl hydroxyproline alkyl ester compounds and their protected derivatives and cosmetically acceptable salts thereof, methods of making the compounds, cosmetic compositions containing at least one of the compounds and methods of using the same to promote collagen production in human skin. The compounds and cosmetic compositions of the invention provide various advantageous properties to the human skin.