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 Molecular Medicine Reports Copper Toxicity an overview ScienceDirect Topics Peptides might be the future of medicine. But they are a long way off! GHK Cu is being pushed hard online right now skin, hair, anti ageing, regeneration. Sounds great. Except there is no In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega