Lash Sensational Boosting Serum from Maybelline New York. Maybelline lash boosting serum from Britain's favourite mascara, lash sensational. For fuller, thicker looking lashes in just 4 weeks. Lash transforming formula with arginine and provitamin B5. 90 percent overall lash improvement. Apply twice a day and wear with lash sensational for the boost your lashes crave. This listing is for 3 serums.