Get a blast of bold, volumizing mascaras! LashBlast's patented volume-boosting hypoallergenic mascara formula and patent-pending brush are designed to max out each and every lash, leaving you with the ultimate big-lash look. Now in waterproof, too HOW TO: Coat Blast brush with mascara. Do not pump the wandÃ¢ÂÂ it adds air bubbles that can dry your mascara. Apply one coat of mascara to the upper lids. Coat brush again and reapplyÃ¢ÂÂ focusing on the outer edges of your lash line. For a more dramatic look, lightly brush your bottom lashes as well.