GHK CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml) Link in BIO. The most advanced skin rejuvenation formula ever created. Powered by prescription strength Tretinoin, GHK Cu peptide, NAD+, and Spilanthol combined with high performance cosmetic actives including Niacinamide, Vitamin C MAP, Hyaluronic Copper peptide Hair Regrowth Serum, GHK Cu Formula, Liberia Ubuy EllieMD Longevity EllieMD MELAO GHK CU Copper Peptide Hair Growth Essence Spray Activates Hair Follicles, Promotes Hair Growth, Strengthens Hair Roots, and Prevents Hair Loss; Suitable for Both Men and Women 50ml Best Price Copper Peptide 10% GHK CU 5% Hair Growth Serum Price