Achieve clearer, smoother, and more balanced skin with the COSRX The Niacinamide 15 Serum, a high-strength treatment serum formulated with 15% Niacinamide to target blemishes, excess oil, and uneven skin texture. Designed for acne-prone and oily skin, this lightweight gel serum helps visibly reduce imperfections, blackheads, and enlarged pores while promoting a healthier-looking complexion.

Enhanced with Zinc PCA, the formula helps control sebum production and provides antibacterial care to help prevent breakouts. Trehalose delivers deep hydration and antioxidant protection to keep the skin comfortable and balanced, while Allantoin helps soothe irritation and calm sensitive skin.

Its fast-absorbing gel texture layers comfortably into any skincare routine without feeling sticky or heavy, leaving the skin refreshed and smooth.

Key Benefits

1. Helps reduce blemishes and blackheads
2. Controls excess oil and sebum production
3. Refines uneven skin texture and pores
4. Provides lightweight hydration
5. Helps soothe irritation and redness
6. Lightweight, fast-absorbing gel texture

Featured Ingredients

1. 15% Niacinamide – Helps brighten skin, reduce blemishes, and regulate excess oil
2. Zinc PCA – Provides antibacterial care and helps control sebum
3. Trehalose – Hydrates and helps protect the skin from environmental stress
4. Allantoin – Helps calm and soothe irritated skin
5. Acetyl Glucosamine – Supports smoother and healthier-looking skin

How to Use

After cleansing and toning, apply a few drops during the serum step of your skincare routine. Gently massage into the skin using your fingertips, starting from the center of the face and moving outward until fully absorbed.