A high-volume. waterproof mascara that delivers bold lash volume for up to 24 hours to defeat all challenges. The Monsieur Big Mascara. now in a waterproof version. features a large brush and an ultra-creamy. sweat-proof. smudge-proof formula that glides onto lashes like silk and delivers up to 12 times the volume with up to 24 hours of wear. This waterproof mascara doesn't require touch-ups and doesn't flake or smudge. The brush's unique shape features soft. wavy fibers to deliver the perfect amount of formula with the very first stroke. The ultra-creamy formula has supple waxes and polymers to adhere immediately to lashes for big. buildable volume and length.