Achieve smoother, clearer skin with The Purest Niacinamide 5% Zinc 1% Serum 30ml. This lightweight serum is expertly formulated with 5% Niacinamide and 1% Zinc to help minimize the appearance of enlarged pores, regulate excess sebum, and improve overall skin texture. Its gentle yet effective formula also supports the skin's natural barrier, making it suitable for daily use on oily, combination, sensitive, and acne-prone skin.