When you need a trustworthy waterproof mascara with long-lasting coverage for a natural look of your lashes, choose 100% Waterproof Mascara in black,Want the London look? Get it with a waterproof mascara you can be sure of! Rimmel London's 100% Waterproof Mascara has a truly waterproof formula and run-resistant finish for natural-looking lashes, even in the hard conditions.