Unless you've mastered the tool (in which case, we salute you) liquid lineris every beauty buff's worst nightmare because of its being, well, too liquidy! Clinique's formula, however, doesn't run with a vengeance. This formula glides over your lash line with precision — just keep your hand steady for maximum control. Apply using the tip of the brush for delicate lines, or turn on its side for bold looks, like a signature cat-eye.