L-Serine, N2-(1-Oxotetradecyl)-L-Lysyl-L-Threonyl-L-Threonyl-L-Lysyl- CAS:1392416-25-9

Fa'aaogāina ole palmitoyl pentapeptide 4
Matrixyl, e taʻua foi o Palmitoyl pentapeptide-4 (palmitoyl pentapeptide-3 ao leʻi oʻo i le 2006), o se matrikine o loʻo faʻaaogaina i mea teuteu faʻafefe-maanuminumi.Na faʻalauiloaina i le 2000 e avea o se mea aoga mo le tausiga o le tagata lava ia e le French cosmetic active ingredient manufacturer Sederma SAS i lalo o le igoa fefaʻatauaʻiga Matrixyl.