Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference Copper Peptide (GHK Cu) 2% Recovery Serum Peptide Journey Update: GHK cu for Hair Growth Discover the Benefits of GHK CU for Your Skin 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