Aqua Resist Brow Definer is waterproof, sweatproof, smudgeproof, humidityproof, sebumproof; it resists everyday challenges, completely lifeproof! Aqua Resist Brow Definer was created with an extra-fine tip to shape with precision and a spoolie to brush & blur. Micro-applicator is made for full gesture control, ensuring an easy ultra-precise application. With its innovating gliding textures, Aqua Resist Brow Definer is so easy to apply, one-stroke application.