What it is: A clear gel layer that makes your fave mascara water-, sweat-, and smudge-proof! What it does: This topcoat will lock mascara into place, protecting them from tears, fears, downpours, late-night dancing and so much more. Whether you’re HIIT-ing the gym, jet-setting or a bride-to-be, this jelly-like texture features film formers and flexible resins to ensure extra comfort throughout the day and/or night without weighing down your lashes. Waterproof. Tear-proof. Prevents mascara from smudging. Sweat-proof.