If you prefer a waterproof formula on some days and not others, this delicious topping gives you the autonomy to decide on a whim. Slather it atop lashes if you're planning on watching a particularly tear-jerking movie or sweating it out at the gym, and don't worry about it weighing down your preciously mascara-laden lashes — the innovative, jelly-like formula features a unique ‘Polymer Complex’ that gives lightweight, comfortable and flexible hold that won’t weigh down or distort your lashes. Making eyelashes waterproof, tear-proof, sweat-proof and smudge-proof (Huda herself uses the term ‘life-proof’), this jelly-like formula works by harnessing film formers and resins to coat each lash. The precise brush glides through lashes to coat each individual strand with ease, and the formula itself is even suitable for contact lens wearers.