Compare Copper Tripeptide-1 (evidence F) and Matrixyl (evidence F) on mechanism, clinical status, safety, and dosing.
Copper tripeptide-1 (GHK-Cu) is the copper complex of the tripeptide glycyl-L-histidyl-L-lysine. Note: This entry focuses on the cosmetic/dermatological use…
Matrixyl (palmitoyl pentapeptide-4, Pal-KTTKS) is a lipopeptide used in anti-aging skincare. It consists of the pentapeptide KTTKS (a fragment of type I…
Full profiles: Copper Tripeptide-1, Matrixyl.