Sunday Riley B3 Nice serum visibly transforms the skin's appearance. The 10% niacinamide formulation is supercharged with trans-resveratrol to diminish the look of enlarged pores, surface redness, and uneven skin tone. This water-based serum promotes a balanced, clearer-looking radiance. Antioxidant-rich ingredients further boost overall complexion, helping skin achieve a healthy glow. B3 Nice helps to improve post-acne dark spots.