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 GHKCu Copper Peptides: Clinically Proven Collagen & Skin Regeneration Power Scrub a lil Deepa 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective?