What it is: A dual-sided brow brush featuring high-quality synthetic bristles on one end and a spoolie brush for grooming and blending on the other. What it does: This brush is the essential tool for precision application of brow products. The angled cut brush on one end is perfect to fill-in arches with brow powder or for applying liner. The spoolie end distributes and blends products evenly for a natural look. This product is an Allure Best of Beauty award winner.