COSRX Niacinamide 15 Serum with Acetyl Glucosamine & Zinc PCA is a highly concentrated formula designed to control acne, minimize pores, and even skin tone. Infused with 15% niacinamide, zinc PCA, and N-Acetylglucosamine, it reduces excess oil, fades dark spots, and soothes redness for smoother, healthier-looking skin. Non-comedogenic and suitable for daily use.
