GHK Cu Peptide Before and After Results The first order degradation profiles of GHK Cu in various medium stored Download Scientific Diagram The GHK Cu Peptide: Benefits, Uses, and Why it's Known as the Regenerative Copper Complex GHK Cu Copper Peptide Benefits, Uses & Safety Intra V 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