Niacinamide 10% + Zinc 1% Serum is a water-based formula that provides multiple benefits of niacinamide to increase skin luminosity, improve texture and strengthen the skin's moisture barrier. This serum with niacinamide (vitamin B3) contains a high concentration (10%) as well as zinc PCA to combat dullness, uneven texture and excess oil. Niacinamide 10% + Zinc 1% also helps to reduce the appearance of pores and instantly improve skin radiance.