070 000 251 Copper Peptide GHK Cu, CAS 49557 75 7 Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000 GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer Meet your skin's new obsession: GHK Cu Peptide Serum Now available for $80 This powerhouse copper peptide serum is designed to help support healthier, stronger, more radiant skin. Benefits