This 13% Vitamin C Serum Is Powered By Super Vitamin E To Condition And Even Tone Skin - And Infused With Hyaluronic Acid For A Hydrated Look. This Daily Vitamin C Serum Containing 13% Ascorbic Acid Allows You To Apply It Regularly With Less Irritation Risk For Pigment Fading, Tone Lightening, Line Reduction, And Skin Tightening Benefits Of The Active Ingredient.