GHK Cu, commonly known as copper peptides, are found naturally within the human body where they play a vital role in skin repair and maintenance. Copper peptides support optimal skin function by helping GHK Cu Peptide: Benefits for Tissue Repair, Healing, and Recovery Revolution Health & Wellness Meet GHK Cu, the peptide designed to help your skin repair itself. From supporting collagen to promoting hair growth, this "Copper Peptide" offers powerful benefits for your wellness routine. Check out the details GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack?