COSRX The Niacinamide 15 Serum 20ml

COSRX The Niacinamide 15 Serum 20ml is a high-strength brightening and pore-refining serum formulated with 15% Niacinamide, Zinc PCA, and N-Acetylglucosamine (NAG) to help control excess sebum, minimize enlarged pores, reduce blemishes, and improve overall skin clarity. This lightweight serum helps achieve a smoother, brighter, and healthier-looking complexion.