I have three teenage daughters and even with good skin (which they have) they still get occasional breakouts. This got delivered at a great time. All three kids had an occasion to try this...and it simply works. Daughter one had one on her forehead...it was virtually gone the next day and the day after, you wouldn't have known. Daughter two had one that 'she could feel' but you couldn't see...stopped it in it's tracks. Never showed up. Third daughter had a proper one crop up during school, this reduced it by half by bed time. By morning it was pretty much gone.
The only thing is that it does dry out the area where the spot would have been. Which I don't think is a huge deal, you can moisiturise. But if you have issues with spots, these stickers are kind of fun...we had a good time seeing if they would work...we were skeptical that they would and were SUPER happy when they did.
Third daughter actually the next morning was yelling MOM...IT'S GONEEEEE...THE STICKERS WORK across the house. Needless to say it's worth a go. It worked for three out of my three teens. That's 100% from this house. Highly recommend.