Skin Care Anti-Aging Vitamin C Hyaluronic Acid Alpha-Arbutin Niacinamide Not Tested on Animals Our Pro-Radiant Skin Brightening Serum is a blend of ingredients designed to address discoloration and uneven skin tone. Vitamin C and Alpha-Arbutin target hyperpigmentation, visibly reducing the appearance of dark spots, while Hyaluronic Acid and Niacinamide nourish the skin, addressing dehydration, lines and wrinkles.