Use of an ecdysteroid for the preparation of cosmetic or dermatological compositions.

摘要

Use of at least one ecdysteroid (I), or its derivs. or plant or animal extracts contg. them, to produce a cosmetic or dermatological compsn. for treating skin disorders associated with abnormal differentiation of keratinocytes is new. The compsn. restores, preserves and/or improves the protective function of the skin (partic. by improving or reinforcing the corneal layer and improving function of the water barrier), improves cohesion of epidermal cells and/or the equality of the hair. Also new are use of (I) to produce culture medium, partic. for cells and tissues, esp. bulk culture of keratinocytes; and culture media and compsns. contg. (I).