GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHKCu Copper Peptide Therapy Skin & Healing Regeneration 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 Molecular crystal structure of the tripeptide GHK Cu. In solution, Download Scientific Diagram