A BIG volume mascara that delivers instant heart-stopping 12x volume with up to 24 hour long-wear. Get ready for your biggest, blackest, boldest lashes yet. Now available in Lancome's deepest, blackest shade yet: Carbon Black. You’ll know Monsieur Big Mascara is the one at first stroke. The best mascara for volume, put your your BIG lashes on full display as this volume will never hide behind glasses or irritate sensitive eyes. Are you up for the BIG False Lash Challenge? Say goodbye to falsies, and bonjour to Monsieur Big.