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 GHK Cu Face Serum 1200MG Lab Tested & High Potency Neurogan Health VUE GHK Cu is more than a skin peptide. Known as a copper peptide, GHK Cu is studied for its role in repair signaling, collagen support, Instagram Ghk Cu Peptide Hair Etsy