SkinCeuticals Phloretin CF is a powerful antioxidant face serum featuring a patented combination of Phloretin, pure vitamin C (L-ascorbic Acid)and Ferulic Acid as major contents. It is a potent serum that helps diminish the look of discoloration and fine lines while improving the skin's overall tone and texture. This topical ferulic acid serum provides advanced protection against environmental damage and neutralizes free radicals. Phloretin CF helps to diminish the appearance of hyperpigmentation and improves skin tone, for a brighter looking complexion. The ingredients include 2% phloretin: Derived from apples and the root bark of fruit trees including apple, pear, and grapefruit, this antioxidant neutralizes damaging free radicals, helps improve cell turnover and fades the appearance of discoloration. 10% L-ascorbic acid: Lauded for its superior antioxidant benefits, this highly potent form of pure vitamin C neutralizes damaging free radicals and protects against oxidative stress while providing visible anti-aging benefits. 0.5% ferulic acid, a plant-based antioxidant neutralizes free radicals and enhances the antioxidant benefits of phloretin and vitamins C and E.