Cos De Baha Arbutin Niacinamide Serum 30ml is a dual-action Korean brightening serum combining alpha arbutin and niacinamide to fade dark spots, even skin tone, and reduce hyperpigmentation caused by acne, sun exposure, and friction. Lightweight, fragrance-free, and suitable for all skin types, including sensitive skin. One of the most affordable and effective brightening serums available in Bangladesh. Buy online from koreanshopbd.com, COD available!