| abstract |
Such compositions are useful for modulating the state of mammalian keratinous tissue in need of such treatment. An exemplary composition is a safe and effective amount selected from the group consisting of a safe and effective amount of glycyrrhizic acid and / or glycyrrhetinic acid, an N-acylamino acid compound, hexamidine, cetylpyridinium chloride, ergothioneine, and combinations thereof. A quantity of active substance, as well as a dermatologically acceptable carrier. |