A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend The Benefits & Risks of GHK Cu (WATCH BEFORE TAKING) Peptide Therapy for Pain Management and Healing Core Medical & Wellness 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 Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml)