Target Pro by Watsons Whitening Serum is scientifically developed with Diamond Sirt, Niacinamide and Hyaluronic Acid Vitamin C. This specific formulation helps diminish discoloration and evens out your skin tone making it brighter from within. Hyaluronic Acid Vitamin C is a new generation of whitening booster with hydrating effects. Combined with Niacinamide, it doubles the whitening effects, enhancing your skin's radiance to create a healthy glowing complexion.