It’s a roller for lashes! The eye-opening Hook roller lash brush grabs, separates, lifts and curls…while the instant curve-setting formula holds for 12 hours. Contains provitamin B5 and serin, ingredients known for their lash-conditioning benefits.This mascara is a soft texture, and its unique formula is water resistant and easy to remove. It also gives you 87% long-lasting curl, along with its thick black color, which gives you attractive and beautiful eyes.So if you're a Smokey eye lover, and you want a thick eyelash to match your makeup and give you wider eyes, Benefit's Roller Lash Mascara is the best choice for you. Denser, more beautiful. For a better result, let your lashes dry for a few minutes, then apply mascara again to get thicker, more beautiful lashes.