Vitamin C Booster  This product is: A potent and effective form of Vitamin C that dramatically gives the look of brighter skin and helps reduce the appearance of dark spots. Good for: all skin types Product Description: Dramatically give the look of brighter skin and help reduce the appearance of dark spots with this potent and effective form of Vitamin C.  This booster combines Vitamin C and Ferulic Acid to support surface skin cell turnover and protect overall skin integrity to reveal even-toned, smoother, and brighter looking skin. Supercharge your favorite water-based serum or moisturizer by mixing in this gold standard of Vitamin C day and night.