Maybelline Lash Sensational Boosting Eyelash Serum is an affordable lash enhancer that helps improve the appearance of lashes. This serum is enriched with arginine and provitamin B5, which help nourish and condition lashes. With regular use, you can expect to see longer, fuller, and healthier-looking lashes. The serum has a lightweight formula that is easy to apply and can be used alone or under mascara. It is also ophthalmologist-tested and suitable for all skin types.