The Wow What a Brow Pen waterproof is an absolute must-have for long-lasting, perfectly styled eyebrows. The tip never needs sharpening and features a droplet-like point—perfect for filling in individual brow hairs and visually enhancing the eyebrows. Additionally, the integrated brush allows you to comb the eyebrows into shape. The best part: the waterproof formula provides a long-lasting wow-brow look every day.