· Our innovative elastomer brush has 480+ nano-bristles that lengthens & separates every lash to unleash multiplied lashes.· An airy wax-in-water emulsion formula that elongates lashes with no clumps and flakes all day· Apply Cils Booster XL Mascara Primer and immediately follow with Idôle Flutter application. Cils Booster XL takes your mascara one-step furthe with a multi-purpose formula lengthens and thickens lashes.