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 Peptide support is now available Peptides are small chains of amino acids that act as messengers in your body. They signal your cells to repair, restore, and function at their best. NL GHK Cu (TETRAPEPTIDE + CU) Synthagen Synthagen PL PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction