Most people think skincare works at the surface level. But healthy skin function starts much deeper than a temporary glow. GHK Cu is a naturally occurring copper binding tripeptide that is already found GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum eBay Molecular crystal structure of the tripeptide GHK Cu. In solution, Download Scientific Diagram 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper