This highly concentraed seurm fetaures niacinamide thar helps refine pores, smooth skin, relieve redness. This serum instantly imprices skin texture and radiance by reducing excess oil and minimizing pore sizes. Key Ingredients:Niacinamide : Provides total acne care by controlling sebum production, soothing acne inflammation and diminishing post acne scars N-Acetylglucosamine(NAG) : Works in synergy with niacinamide to effectively fade hyperpigmentation Zinc PCA : Inhibits inflammation and promotes recovery of damaged skin Allantoin : Promotes collagen synthesis to facilitate skin regeneration | COSRX The Niacinamide 15 Serum, 20 ml | Dermstore