BIOSSANCE Squalane + Copper Peptide Rapid Plumping Serum delivers instant hydration. This serum visibly plumps the skin, employing a complex of hydrators. Hyaluronic acid, polyglutamic acid, and squalane work together in this innovative formula. Copper peptide encourages collagen production, resulting in bouncy, firm skin. It benefits all skin types, especially dehydrated skin.