What it is: A double-ended brush with a flat, beveled brush to fill and define on one side and a spoolie for gentle brow and lash styling on the other.What it does: Drawing inspiration from backstage Dior runway shows, this double-ended brow brush is designed for perfect, simple makeup application and is ideal for filling, defining and styling in a single stroke. The brow brush end features a firm brush head with extremely fine and soft synthetic fibers. How to use: It's ideal for use with brow powder, ink, wax or cream. Begin by brushing your brows with the spoolie. Fill and define the brow line with the brush, then use the spoolie again to blend in any excess product. Take up the brow wax (if using) with the spoolie then brush in upward strokes to set the brows. Synthetic bristles