Get clearer, balanced-looking skin with Simple 10% Niacinamide Booster Serum. Formulated with 10% Niacinamide (Vitamin B3), this lightweight booster serum helps reduce the appearance of blemishes, minimize pores, and control excess oil while improving overall skin texture. Its gentle, fast-absorbing formula hydrates and strengthens the skin barrier, leaving your skin smooth, fresh, and healthy-looking.