Macstack Mascara Superstack - MAC MACSTACK MASCARA 0.004FLOZBenefitsMega Brush: Builds up longer or upper eyelashesBuildable lash volume, from natural to next-levelInstant lash length24-hour wearClump-resistant mascaraFlake-resistantOphthalmologist testedAppropriate for contact lens wearerResearch Results95% saw gravity-defying lash volume*95% saw instant eyelash lift and length*95% said mascara builds endlessly**Consumer testing on 111 women after using Superstack Mega Brush for one week - Macstack Mascara Superstack MAC Macstack Mascara Superstack