KPV GHK Cu (10 50 MG) Sigma Compounds GHK Cu 50mg Skin & Tissue Repair Research Peptide GHK CU Copper Peptide SARMs Supplements Introduction GHK Cu is a copper peptide complex formed from the tripeptide glycyl L histidyl L lysine bound to copper. This compound has garnered significant attention in both laboratory and formulation research due to its critical role GHK Cu Peptide Regenerative & Cosmetic Research