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 GHK CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml) Peptide GHK CU Cream Concierge MD GHK Cu 50mg Particle Peptides Compounded GHK Cu Cream: The Copper Peptide Breakthrough for Skin Repair & Anti Aging Restorative Compounding Pharmacy + Wellness GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective?