GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect Peptide Therapy for Injury Repair: Faster Healing with Regenerative Orthopedic Support Meeting Point Health Biological efficacy of GHK Cu after ionic liquid loading. (a) Cellular Download Scientific Diagram Glutathione GHK Gu Peptide Patch Medical Imaging and Therapeutics 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper What is GHK Cu and Why is Everyone Talking About It? GHK Cu (Copper Peptide) is a powerful, naturally occurring compound in the body that plays a key role in skin health