USE OF AN N-ACYL AMINO ACID SELECTED FROM AMONG N-PALMITOYL ALANINE, N-PALMITOYL GLYCINE, N-PALMITOYL ISOLEUCINE, AND N-COCOYL ALANINE AS AN ACTIVE AGENT CONTROLLING THE PROPORTION OF BASAL KERATINOCYTES OF THE HUMAN SKIN EPIDERMIS AND EXPRESSING THE

摘要

The invention relates to the use of an N-acyl amino acid selected from among N-palmitoyl alanine, N-palmitoyl glycine, N-palmitoyl isoleucine, and N-cocoyl alanine as an active agent controlling the proportion of basal keratinocytes of the human skin epidermis and expressing the nuclear form of survivin, to an anti-aging cosmetic composition comprising same, and to the use thereof for implementing a therapeutic method for maintaining the survival of stem cells in the human skin epidermis.