Brow Duality is designed for those who want the best of both worlds...Anastasia has married her customer favorites into one! Chunky dual ended pencil featuring matte highlighter on one end and shimmer highlighter on the other. This pencil brings subtle focus to the brow bone. Use the Matte side during the day to create a soft highlight. For those nights on the town, use the Shimmer side to give your eyes that soft satiny glow.