What is it: The perfect, two-in-one tool for defined brows. An angled brush head with firm bristles lets you fill in and define brows with Bobbi BrownLong-Wear Brow Gel, while the spoolie brush end grooms brow hairs into place. Who is it for: Anyone looking to create a polished, defined brow look with one simple tool. Why is it different: Designed with a blend of natural and synthetic bristles, the Brow Definer has a sharply-defined edge and stiff bristles, giving you maximum precision while shaping and filling in brows. Bristles comb through brow hairs to coat them evenly with pigment for incredibly natural-looking definition. Once brows are filled in, the compact Brow Groomer smoothes brow hairs into place and blends color. How to use it: Use the Definer end of the Dual-Ended Brow Definer/Groomer Brush to pick up product. Start at the inner corner of the brow and use short, even strokes to fill in the entire length of the brows natural arch. As the brow tapers, use the narrow edge of the brush for more precise application. Then, use the Groomer end to shape brows and soften color, brushing brow hairs up and over. Approx. 6.693 x 0.319"