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

Use of palmitoyl pentapeptide 4
Matrixyl, also known as 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 by French cosmetic active ingredient manufacturer Sederma SAS under the trade name Matrixyl.