COSRX The Niacinamide 15 Serum is a high-potency formula with 15% niacinamide designed to visibly reduce excess oil, minimize enlarged pores, and brighten uneven skin tone for a clearer, smoother complexion.

Key Features:

• Contains 15% niacinamide for powerful sebum control and brightening
• Helps reduce appearance of pores, dark spots, and post-acne marks
• Includes zinc PCA and allantoin to soothe and balance the skin
• Lightweight, fast-absorbing texture ideal for oily and acne-prone skin
• Targets dullness, rough texture, and uneven skin tone effectively

Recommended Use:
After cleansing and toning, apply 2–3 drops to the face, avoiding the eye and lip areas. Use once daily, preferably in the evening. Follow with moisturizer. Always use sunscreen during the day when using high-percentage actives.