The Laura Mercier Sketch & Intensify Double Ended Brow Brush was custom developed for use with the Sketch & Intensify Pomade & Powder Brow Duo. Use the “sketch” brush end with the Laura Mercier Sketch & Intensify Pomade & Powder Brow Duo to fill in the brow, then use the “intensify” brush end to apply the powder for added colour intensity & dimension.