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 GHK Cu Glow Peptide Stack for Skin Rejuvenation Jennifer R. Berman MD Peptide Therapy for Inflammation: A New Solution 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 Copper Peptide (GHK CU) 1% Serum