Roller Lash, a real curler for your lashes! The eye-opening Hook ''''n'''' Roll™ brush grabs, separates, lifts and curls for wider eyes, while the instant curve-setting formula holds for 12 hours. Contains provitamin B5 and serin, ingredients known for their lash-conditioning benefits. How to use Your eyelashes don’t really enjoy the eyelash curler, you have to admit - it’s uncomfortable. Apply Roller Lash with a wiggling motion from the base to the tip of lashes. Repeat across your lash line, making sure to catch every lash.