Small molecule, big results Our Copper Peptide GHK Cu Serum works beneath the surface to rebuild and strengthen your skin. Enhanced with Niacinamide 2% and Hyaluronic Acid for a balanced, hydrated and Intense Copper Binding GHK Cu 5% +Palmitoyl Oligopeptide 0.3% Repair S Palmitoyl GHK tripeptide CRB1001050 Biosynth 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