Product Details Anastasia Beverly Hills Brow Definer is an all-in-one triangular-tipped retractable pencil that features three distinct sides for defining detailing and filling in brows. Use the fine tip to create hair-like detail. Use the flat side for shading and outlining the brows. Use the medium side to fill and define. The formula features a perfect balance of wax and pigment for easy blending and application (without skipping) while the soft custom spoolie was specifically designed for blending Brow Definers formula into brow hairs to deliver a natural-looking finish. How To Use When using Brow Definer start by defining the brow shape. Brush the hairs upward with the spoolie. Then using the flat side of the pencil tip outline the bottom of the brow from arch to tail. Next brush the hairs downward and outline the top of the brow from arch to tail with the flat side. Brush the hairs back in place and fill in the brow from arch to tail using the medium side of the tip. Next detail