Cosrx's Niacinamide 15 Serum delivers a potent 15% niacinamide concentration in a lightweight, fast-absorbing formula. This powerhouse ingredient strengthens the skin barrier, minimizes pore appearance, and regulates sebum production—making it ideal for oily and combination skin types. The serum's gentle yet effective composition reduces redness and irritation while promoting a smoother, more refined complexion. With consistent use, expect improved skin texture and a balanced, clarified appearance. The compact 20ml size makes it perfect for travel or incorporating into your existing skincare routine.
