Ulta The Ordinary  Niacinamide 10% + Zinc 1% Serum For Oily Skin

The Ordinary's Niacinamide 10% + Zinc 1% Serum for Oily Skin is a water-based vitamin and mineral formula with 10% niacinamide and 1% zinc PCA. It is great for those looking for solutions for visible shine, enlarged pores, and textural irregularities.