Never been used before You won’t have to worry about this black eyeliner moving. The waterproof formula lasts for up to a full 24 hours—seriously! And the creamy gel texture glides on incredibly smooth—no tugging, pulling, or skipping. How to Use It: Use it along your waterline as a tightliner, on your lids for added definition, or beneath your lower lashes for a smoky effect. More Reasons You’ll Love It: Need a sharper point for fine lines? Just pop out the built-in sharpener and use it to reveal a fresh new tip before each use.