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 Summary of my experience with peptides so far. PS. Forgot to add Melanotan 2. I did a short course in an attempt to reverse gray hair. Had to stop it on the Epithalon 10mg 5 Vials Us Chem Labs GHKCu Copper Peptide Therapy Skin & Healing Regeneration