The Ordinary Niacinamide 10% + Zinc 1% is a high-strength, lightweight serum formulated to reduce excess oil, minimize pores, and improve skin clarity. With 10% Niacinamide (Vitamin B3) and 1% Zinc PCA, this serum helps to regulate sebum production, fade dark spots, and strengthen the skin barrier. Ideal for oily, acne-prone, and combination skin, it provides a brighter, smoother, and more balanced complexion.