Transform your skin with Perricone MD's Vitamin C Ester CCC + Ferulic Brightening Complex. This ultra-potent serum combines a powerful 20% concentration of Vitamin C Ester and two additional forms of Vitamin C to brighten your complexion and reduce dark spots. Enhanced with Vitamin E and ferulic acid, this formula protects against free radicals while promoting collagen-rich skin. Enjoy a radiant, even skin tone with deep penetration for maximum benefits. Suitable for all skin types, this vegan and cruelty-free serum is free from harmful ingredients. Use morning and evening for best results.