Curology Dark Spot Serum visibly brightens and smooths uneven complexions. Formulated with niacinamide, this serum helps fade the appearance of discoloration, stubborn spots, and post-acne marks. This gentle, fast-absorbing, milky serum contains clinically tested, dark spot-fighting acids and antioxidants. The dermatologist-tested formula also works to soothe and support the skin's natural barrier. It helps to treat hyperpigmentation for a more even skin tone.