High-tech formula enhances the appearance of lashes while providing the instant definition of a liquid eyeliner, in one easy step. Lash Boosting complex targets the base of lashes where it is most effective. Innovative and easy to use eye lining tool delivers effortless definition. Visibly Boosts:- Lash Length- Lash Volume- Lash Thickness Instant and Lasting Lash Boosting Results. After 2 weeks 75% of women saw Longer, Fuller and More Enhanced Lashes- After 4 weeks over 91% of women saw Longer, Fuller and More Enhanced Lashes Based on individual perception of results by a panel of female volunteers wearing mascara.