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 Helloskin GHK Cu 1% Triple Peptide Regenerative 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 Copper Peptides for Skin Copper Peptides for Face PLU Labs