The N Niacinamide 10 serum from Cos de Baha is una an effective solution for oily and problematic skin. With 10% niacinamide, this product combats inflammation, reduces the appearance of enlarged pores, and regulates sebum production. Its lightweight formula promotes a more even and radiant complexion, countering imperfections and redness. Ideal for those seeking a targeted treatment that ensures healthy, purified, and balanced skin while maintaining freshness and comfort throughout the day.