Anastasia Beverly Hills Brow Definer is a must-have all-in-one brow tool for easy, on-the-go application. The triangular tip has three different sized edges for multifunctional use and versatility in application. Use the flat side for shading and outlining the brows. Use the medium side to fill and define. Use the fine tip to create hairlike detail. The soft, custom spoolie brush was specifically designed for blending Brow Definer’s formula into brow hairs for creating a natural looking finish.