The Ordinary Niacinamide 10% + Zinc 1% is a highly effective serum designed to help improve the appearance of blemishes, enlarged pores, and uneven skin tone. This 30ml formula contains a high concentration of niacinamide, a form of vitamin B3 that has been shown to help reduce the production of excess oil in the skin and improve its barrier function. Zinc, a natural mineral, works to further balance the skin and help reduce inflammation. With regular use, this lightweight serum can help to promote a clearer, more radiant complexion. It is suitable for all skin types and can be used morning and night after cleansing and toning.