USE OF THE RHOEO DISCOLOR PLANT EXTRACTS IN COSMETICS AND PHARMACEUTICS, IN PARTICULAR IN DERMATOLOGY

摘要

The invention concerns uses of the Rhoeo discolor plant extracts in cosmetics and pharmaceutics, in particular in dermatology. More particularly in concerns the uses in two said fields where the aim is to improve the differentiation of keratocytes and/or to fight against the ill-effects of free radicals and/or to improve the synthesis of glycosaminoglycans. For this purpose, Rhoeo discolor extracts are usually incorporated in compositions for improving skin hydration, its softness and firmness, for fighting against skin ageing effects or for treating dry skin, or skin affected by ichthyosis or psoriasis. The invention also concerns the uses of said extracts for preparing cell culture media, in particular keratinocytes for accelerating or improving their differentiation.