[Therapy of aging skin].

The process of involution of aging skin is essentially caused by functional changes progressing as a consequence of the chronic influence of exogenous noxae. Reasonably, prophylaxis should avoid actinic damages, and skin care should be adapted to the changes due to age, which means providing a substitute for cutaneous lipids and stabilizing the hydration of the horny layer. Placebo-controlled studies proved that topical treatment with 0.