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

Gukoresha palmitoyl pentapeptide 4
Matrixyl, izwi kandi nka Palmitoyl pentapeptide-4 (palmitoyl pentapeptide-3 mbere ya 2006), ni matrikine ikoreshwa mu kwisiga amavuta yo kwisiga.Yatangijwe mu 2000 nkigikoresho cyingirakamaro mu nganda zita ku muntu ku giti cye n’isosiyete ikora amavuta yo kwisiga y’Abafaransa Sederma SAS ku izina ry’ubucuruzi Matrixyl.