The Maybelline Build-A-Brow 2 Easy Steps Eye Brow Pencil and Gel works to create natural, fuller-looking brows in two simple steps. The two-in-one tool includes a sleek brow pen and a sealing gel to shape and lock in the look of your newly sculpted brows. Lasting up to 24 hours, both formulas are sweat-proof and smudge-resistant. Vegan.