Cosrx Niacinamide 15% Serum is a potent formulation designed to brighten skin tone and reduce the appearance of blemishes and dark spots. With a high concentration of niacinamide, it supports skin barrier health while minimizing redness and uneven texture. This lightweight serum absorbs quickly, making it suitable for layering under moisturizers or makeup. Ideal for those seeking a targeted solution to enhance radiance and promote a clearer complexion.
