Macstack Mascara Superstack - BenefitsFlake-resistant95% saw instant eyelash lift and length*Buildable lash volume, from natural to next-levelClump-resistant mascaraMega Brush: builds up longer or upper eyelashes95% saw gravity-defying lash volume*95% said mascara builds endlessly*Instant lash length24-hour wear*Consumer testing on 111 women after using Superstack Mega Brush for one week - Macstack Mascara Superstack