Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum Have you heard of GHK Cu? It's one of our favorite regenerative peptides right now. This copper peptide was originally discovered in human plasma and plays an important role in skin repair and GHK Cu Focal Point Vitality GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? 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