The Ordinary Niacinamide 10% + Zinc 1% 30mlThis powerful serum is a boon for oily skin types as it effectively reduces pores, controls sebum production, and clears up clogged pores. This quickly calms skin and enhances its general health since it contains high concentrations of niacinamide and zinc, two of the most effective blemish fighting substances available. With a surprisingly low price tag, this powerful serum uses the (extraordinary) power of niacinamide and zinc to target blemishes,