Amp up your mascara Make some noise for the innovative MOODSTRUCK EPIC lash primer. Not only does this primer condition your natural lashes with ingredients like vitamin E, it also prepares them for maximum mascara performance with a curved brush that delivers an even coat of product to every lash. In fact, in independent lab testing, 100% of users saw an improvement in the appearance of their mascara volume and length when they applied the MOODSTRUCK EPIC lash primer before their mascara.