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 Copper Peptides Elmhurst IL Chicago Accelerated Aesthetics The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Fitish Most people don't know GHK Cu by name. Their face does. It's the peptide your body uses to signal collagen production, repair tissue, Instagram