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 Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications Protective Functions of Alanyl L Histidine and Glycyl L Histidyl L Lysine Glycoconjugates and Copper in Concert GHK Cu Peptide: What It Does for Body Composition and Metabolic Health