Its a roller for lashes! The eye-opening Hook n Roll brush grabs, separates, lifts and curlswhile the instant curve-setting formula holds for 12 hours. Contains provitamin B5 and serin, ingredients known for their lash-conditioning benefits. Gently wiggle the wand from base of lashes to tip. Repeat across your lashline, making sure to catch every last lash. Curls just wanna have fun!