Skinceuticals C E Ferulic * Combines proven antioxidant vitamins C & E with Ferulic Acid to maximize antioxidant performance * Protects against damaging UVA/UVB rays * Prevent premature signs of aging while stimulating collagen production to help diminish the appearance of photo damage * Once absorbed, can't be washed or rubbed off - excellent for use in conjunction with suncreens * Made in USA