GHK CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml) Intense Copper Binding GHK Cu 5% +Palmitoyl Oligopeptide 0.3% Repair S Double Bay Cosmeceuticals Am+Pm 5% B5+GHK Cu Hydrating Serum Good skin starts with the right ingredients. We made the GHK Cu Peptide Serum for people who want real results without the clinical experience. Copper peptides, hyaluronic acid, niacinamide and more, in one