What it is: A mattifying face primer stick that controls oil and shine for 12 hours.What it does: It primes, preps and smoothes skin, instantly mattifying and blurring imperfections while controlling oil and shine for up to 12 hours without drying your skin. The primer makes your makeup go on flawlessly, look better and last longer, gliding on without tugging. It feels lightweight and silky-smooth on your skin.Research results:In a consumer study of 98 women over 7 days:- 99% said it minimized shine and oil.- 98% said it's nondrying.- 96% said it applied easily.- 95% said it made skin feel smoother.- 95% said it did not clog pores.- 94% said it blurred imperfections.- 94% said it enhanced the performance of their foundation.- 93% said it helped makeup go on flawlessly.- 93% said makeup still looked freshly applied throughout the day.- 93% said it minimized the look of fine lines.- 92% said it minimized the look of pores.- 90% said makeup lasts longer.How to use: Apply to your forehead, cheeks, nose and chin or any other area that's usually oily. Blend with your fingertips. Wear alone or under your makeup.Pro tips: It can also be used over makeup to instantly mattify. Just gently pat onto skin for instant shine control. Style Name:Smashbox Photo Finish Mattify Primer Stick. Style Number: 5433261. Available in stores.