GHK Cu Copper Peptide Benefits, Uses & Safety Intra V Copper peptides GHK Cu skin repairing molecules boost collagen and elastin. Anti aging and antioxidant care for skin Stock Photo Alamy Peptide GHK CU Cream Concierge MD 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn