palmitoyl pentapeptide-4 is a matrikine used in anti-wrinkle cosmetics.

palmitoyl pentapeptide-4 (palmitoyl pentapeptide-3 before 2006) is a matrikine used in anti-wrinkle cosmetics. it was launched in 2000 as an active ingredient for the personal care industry under the trade name matrixyl by the spanish cosmetic active ingredient manufacturer sederma sas.

chemistry
palmitoyl pentapeptide-4 (pal-lys-thr-thr-lys-ser = pal-kttks) contains 5 amino acids linked to a 16-carbon aliphatic chain for improving the penetration of the molecule through the lipid structures of the skin. it is a matrikine.[citation needed] matrikines are messenger peptides capable of regulating cell activities by interacting with their specific receptors. they activate certain genes involve

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