The MAC Prep + Prime Pore Refiner Stick is designed to minimize the appearance of pores and smooth skin texture for a flawless makeup application. This portable stick format allows for targeted application exactly where you need oil control and blurring effects. It creates an ideal canvas, helping foundation and other base products adhere better and wear longer throughout the day. Use it before foundation to blur imperfections or touch up throughout the day over makeup for an instant refreshed finish.