this review title is: great easy to use self sharpening eyeliner and the content is: i absolutely love the little sharpener installed inside of the cap that allows the eyeliner to be always on point with a simple twist of the cap the eyeliner is ready to use which is perfect for someone like me who is miserable at attempting to sharpen eyeliners as advertised i have found that this eyeliner is waterproof but whether or not it is smudgeproof is a bit questionable i think that really depends on skin type and for me i have found that the eyeliner lasts really well for a few hours before starting to smudge and transfer onto my lower lashline i think priming my eyelids would help the eyeliner last a lot longer but i am usually able to touch up on it every so often so that it looks on point overall i love the eyeliner and would definitely consider buying again when my current one runs out.there are other information for this review, one is this reviewer did not purchase it and the other is 0 people think this review is helpful.