Maybelline's first Lash Sensational Boosting Serum is Infused with arginine and provitamin B5 to fortify and condition lashes. Over time, lashes look visibly fuller and healthier with less fallout during makeup removal*. Lash conditioning formula with arginine and pro-vitamin B5 works to reinforce lashes and condition through daily application. Helps to protect and prevent lash fallout during daily makeup removal as lashes become more fortified. Leaves lashes looking healthy and shiny, soft and supple, and overall more conditioned more nourished eyelashes. Soft cotton brush applicator for a lash nourishing application on both the base and length of lashes. For twice daily use, at morning and night. In the morning, perfectly primes lashes for mascara application afterward. *Based on a consumer study.