Also known as Copper Peptide · Tripeptide-1 Copper
Endogenous copper-binding tripeptide widely studied in skin and hair biology.
GHK-Cu is the copper complex of the tripeptide glycyl-L-histidyl-L-lysine, an endogenous fragment first isolated from human plasma. Reported to modulate ECM remodeling, fibroblast activity, and antioxidant defense.
Copper delivery, ECM gene modulation, antioxidant pathway activation.