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 a growing body of peer (PDF) Regenerative and Protective Actions of the GHK Cu Peptide in the Light of the New Gene Data Copper Peptides vs Retinol Can You Use Copper Peptides With Retinol? GHK Cu Organic Serum Copper Peptide for Anti Aging & Skin Repair In situ photo crosslinkable hyaluronic acid based hydrogel embedded with GHK peptide nanofibers for bioactive wound healing ScienceDirect