GHK Cu is a copper peptide used in regenerative medicine to support collagen production, tissue repair, and cellular renewal throughout the body. It's for individuals looking to improve skin firmness, brightness, and visible Copper Peptide Anti Aging Facial Serum, GHK Cu, Vegan PDRN, Acetyl Hexapeptide 8, Collagen, Hyaluronic Acid, Collagen Boost, Tightening, Lifting, Hydrating, and Repairing, Reduce Fine Line & Wrinkles, All Skin Types, Your choice! Summervibes GHK Cu Copper Peptide Collagen Boost & Skin Regeneration Calibrate Hydration GHK Cu Peptide: Turn Back the Clock Naturally Calibrate Hydration 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