COSRX The Niacinamide 15 Serum 20ml

Key Ingredients Niacinamide How to Use COSRX's high-concentration 15% Niacinamide serum visibly reduces excess sebum, minimises pores, and fades dark spots and post-acne marks. Zinc PCA, Vitamin E, and Allantoin round out the formula for added pore-refining and soothing benefits. Best for oily, combination, and acne-prone skin. Ingredients COSRX The Niacinamide 15 Serum delivers a potent 15% concentration of Niacinamide (Vitamin B3) to target the key concerns of oily and blemish-prone skin — excess sebum, enlarged pores, and uneven pigmentation. Zinc PCA works alongside Niacinamide to calm inflammation and further refine pore appearance, while Vitamin E, Allantoin, and Panthenol help soothe and protect the skin's surface. The lightweight, fast-absorbing serum is formulated without fragrance, and is both vegan and cruelty-free, making it accessible for a wide range of skin sensitivities. It fits seamlessly into the serum step of a morning and evening routine and pairs well with a broad-spectrum SPF during the day.