Precisely define each lash with the skinniest brush on the market and our lash extension fiber mascara. Our ultra thin brush allows for you to define and place fibers on each lash individually. Our smooth intense waterproof formula and brush allows you to reach every single lash. If you're looking for incredibly natural and long individual lashes this is the mascara for you. - Ultra thin brush to wraps each lash - No Clumping or flaking - Lengthens each individual lash with microfibers - Waterproof - Easy to apply - Black Direction tip - Hold brush vertical and swipe fiber on each lash rather than holding brush horizontally like typical mascara.