COSRX The Niacinamide 15 Serum 20ml

A potent COSRX serum with 15% niacinamide, acetyl glucosamine, and zinc PCA to minimise pores, control oil, and improve skin texture. A highly concentrated 15% niacinamide serum designed to refine pores, regulate excess oil, and improve uneven skin tone. This lightweight 20mL serum combines niacinamide with synergistic ingredients like Acetyl Glucosamine and Zinc PCA for total acne care and texture improvement. It helps soothe redness, fade post-blemish marks, and supports a balanced, clearer complexion. Ideal for oily, acne-prone, or textured skin, this serum absorbs quickly and works morning and/or night.