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

Iji palmitoyl pentapeptide 4
Matrixyl, nke a makwaara dị ka Palmitoyl pentapeptide-4 (palmitoyl pentapeptide-3 tupu 2006), bụ matrikin eji eme ihe ịchọ mma na-egbochi wrinkle.Ewepụtara ya na 2000 dị ka ihe na-arụsi ọrụ ike maka ụlọ ọrụ nlekọta onwe onye site n'aka onye nrụpụta ihe ịchọ mma na-arụ ọrụ nke French Sederma SAS n'okpuru aha ahia Matrixyl.