COSRX Niacinamide 15 Serum

COSRX Niacinamide 15 Serum is a highly concentrated serum. It combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control. KEY INGREDIENTS - Niacinamide: Provides total acne care by controlling sebum production, soothing acne inflammation and diminishing post acne dark spots. - N-Acetylglucosamine (NAG): Works in synergy with niacinamide to effectively fade hyperpigmentation. - COSRX Niacinamide 15 Serum contains Zinc PCA which inhibits inflammation and promotes recovery of damaged skin. - Allantoin: Promotes collagen synthesis to facilitate skin regeneration. - It can be used both in the morning and in the evening. Introduce it to your routine gradually and increase frequency depending on skin tolerance.