30 mL New in Box retails $85 A highly-potent pure 20% vitamin C serum that tightens and firms skin, while gently exfoliating to reveal smooth, soft skin. Introduce your skin to the world’s first pure 20% vitamin C serum containing stabilized L-ascorbic acid (the purest form of vitamin C) through a patented encapsulated system promising maximum potency to quickly improve your skin texture and treat the look of fine lines and wrinkles. This innovative formula combines our patented pure Vitamin C with Squalane to hydrate and Pure Green Tea Actives to soothe and reduce redness.