Meet a total skin care serum for breakouts and blemishes. The Niacinamide 15 Serum from COSRX is a highly concentrated serum that combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control. Lightweight and non-sticky, this serum will leave your skin radiant, smooth and soothed. 

Formulated with a pure and high concentration of niacinamide to help fade the look for dark spots and improves skin texture, zinc 1% to treat acne, breakouts and reduce sebum secretion, allantoin .1% to moisturize and soothe irritated skin, and acetylglucosamine 2% to exfoliate, smooth skin and refine texture. 

How to use: