Cosrx The Niacinamide 15 Serum, 20 ml

COSRX The Niacinamide 15 Serum is a highly concentrated, multi-action treatment formulated with 15% Niacinamide to deliver total breakout care, refine the appearance of pores, and regulate excess sebum. This advanced serum combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients—N-Acetylglucosamine (NAG) and Zinc PCA—to effectively address all stages of acne, from initial breakouts to post-acne scars and hyperpigmentation. The lightweight, fast-absorbing texture penetrates quickly without leaving any sticky residue, making it ideal for oily, combination, and blemish-prone skin. Clinically proven to reduce sebum by up to 50% and blackheads by 42.27% in just 4 weeks, this serum helps restore balance and promotes a clearer, smoother, and more even complexion