New, in box Biossance Squalane + Copper Peptide Rapid Plumping Serum Size: Full size - 50 mL/1.69 fl. oz. “A powerful hydrating serum that instantly and visibly plumps skin with a complex of clinically-proven hydrators and copper peptides. Made with our innovative rapid plumping complex, this copper peptide plumping serum includes a synergistic blend of three clinically proven moisture-boosters: hyaluronic acid, polyglutamic acid, and squalane. It draws in moisture and floods skin with continuous hydration, while copper peptide ensures skin is left feeling bouncy and plump.”