The Ordinary Niacinamide 10% + Zinc 1% Serum is a universal serum for blemish-prone skin that smooths, brightens, and supports. Targets Visible Shine, Signs of Congestion, Textural Irregularities, Dullness, Dryness Suited for: All Skin Types Format: Water-based Serum Key ingredients: Niacinamide, Zinc PCA