Concentrated niacinamide serum designed to minimize pores, regulate sebum production, and strengthen skin barrier function. This 40ml formula delivers 20% niacinamide concentration in a lightweight, fast-absorbing serum suitable for oily and combination skin types. Works to refine skin texture, reduce the appearance of enlarged pores, and promote a clearer complexion. Apply to clean skin before moisturizer as part of your daily skincare routine.