Organic Copper Peptide Anti Aging Serum GHK Cu, Argireline, Matrixyl 3000, Hyaluronic Acid Wrinkle Repair Lightly scented with essential oils ANAIRUI Copper Peptides GHK Cu Serum When Jennifer says she didn't know skincare could do this, we felt that. Real results from a real customer using BioGlo's GHK Cu Copper Peptides Serum. Formulated with 2% GHK Cu + Hyaluronic 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