Smashbox Photo Finish Pore Vanishing Primer provides a solution for minimizing the appearance of pores while extending makeup wear for up to 12 hours. This oil-free formula works to control shine throughout the day, leaving a velvety, matte finish on the skin. It is designed to be lightweight and does not clog pores or leave a white cast, making it suitable for wearing alone or as a base for foundation. Application involves pressing the product onto moisturized skin for a smooth, flawless-looking canvas.