this review title is: a total exercise in frustration and the content is: each one i tried broke during attempted application also while i understand the hygiene reasons for being sealed but it took a matte knife and way too much time to get the plastic off the pencil longer than actually using the product because it broke when i tried to use it.there are other information for this review, one is this reviewer did purchase it and the other is 0 people think this review is helpful.