With WOW Skin Science Vitamin C & Niacinamide Brightening Face Serum, achieve a radiant, bright complexion. It provides the advantages of pure vitamin C, niacinamide, liquorice, and essential oils of orange and lemon. The serum evens out uneven complexion, repairs damage to the skin, and hydrates it. gives skin a radiant, bright appearance. Use twice a day to observe the effects.