Patent ID: 8883734

Claim:
A cosmetic composition comprising: a peptidic compound in a cosmetically acceptable medium for topical application, the peptide compound having the following general formula (I): R 1 —X 1 -Arg-Lys-Gly-X 2 —R 2 in which, X 1 represents an isoleucine, a leucine, a proline, or a valine, X 2 represents a cysteine, a glutamic acid, a glutamine, a histidine, a phenylalanine, a tyrosine, a threonine, or is equal to zero, R 1 represents the primary amine function of the N-terminal amino acid, free or substituted by a protecting group, wherein the protecting group is an acetyl group, a benzoyl group, a tosyl group or a benzyloxycarbonyl group, R 2 represents the hydroxyl group of the carboxyl function of the C-terminal amino acid, substituted by a protecting group, wherein the protecting group is an alkyl chain from C 1 to C 20 , or an NH 2 , NHY or NYY group with Y representing an alkyl chain from C 1 to C 4 , said sequence of general formula (I) is constituted of 4 to 5 residues of amino acids.