Copper Peptide (GHK-CU) SerumREVERSE THE SIGNS OF BIOLOGICAL SKIN AGING WITH THE BENEFITS OF COPPER PEPTIDE. Encourage healthy cell turnover and nourishment to provide a glowing and radiant complex, while achieving firmer and tighter skin. The Copper Peptide Serum is formulated with a potent dosage of GHK CU Copper Peptide, plant stem cells, multi vitamins, antioxidants, moisturizers, and skin firming amino acids aiming to collectively tighten, thicken, repair, recover, and