COSRX The Niacinamide 15 Serum . Formulated with a high-concentration 15% niacinamide complex, this lightweight serum helps improve the appearance of pores, uneven texture, and excess oil while supporting a brighter, smoother complexion.

Perfect for oily, combination, or blemish-prone skin, the fast-absorbing formula layers easily into any skincare routine and delivers visible results with consistent use. The duo set offers added value and long-lasting supply.

Key Benefits:

• Helps minimize the appearance of pores

• Balances excess oil and shine

• Improves skin clarity and texture

• Brightens dull, uneven skin tone

• Lightweight, fast-absorbing serum