The basics A fine point, detailing pencil perfect for shaping and defining brows. The benefits The ESUM Brow Defining Pencil features a detailing spoolie brush attached at the end of the barrel for diffusing and grooming the brow. The uses The .4mm, semi-hard wax, retractable pencil allows for precision application from sketching individual strands of hair, naturally filling in sparse areas, to shading a full brow. The bottom line Waterproof formula. Vegan. Cruelty-free and gluten-free. Available in three shades - Blonde, Brunette and Ebony.