Peptides of general formula (I): R1-Wp-Xn-AA1-AA2-AA3-AA4-Ym-R2 their stereoisomers, mixtures thereof, and/or their cosmetically or pharmaceutically acceptable salts, a method of preparation, cosmetic or pharmaceutical compositions containing them and their use for the treatment, prevention and/or care of conditions, disorders and/or diseases of the skin, mucous membranes and/or scalp.