Bests & Worsts Reviews from Amazon

These work, there's no denying it. Period. They stay put, as in I can sip water while wearing these. These WILL whiten natural teeth, no questions. *On occasion, I have felt some sensitivity a little while after an application, or some the next day. For me, it's mild and fades quickly. For the majority of applications, there's minimal to none. They are just so easy to use compared with the trays and other kits that require specific fitting. I've never tried those, I've always stuck with crest whitestrips. This came with a bonus two 1 hour express packets - which is why I chose this particular box most recently. The one hour express do provide a noticable whitening in one use, yet not immediately wter removing them. It's as if the whitening continues to "develop" over a few hours. So don't worry if you don't see the change using the one hour express right away. It will absolutely be noticable a little later on. I've used the two hour express, and am using the main ones here and there. I use crest toothpaste as well. That way Ill have plenty of strips remaining for some touch ups here and there. I am absolutely on a budget, and although these are "pricey" ,the benefits are by far worth every penny. I verified purchased these, yet my previous review was entirely removed. I bought this box after I bought a little sample of toothpaste and a one hour express. I have no affiliation what so ever, literally. I love these and I highly recommend them. *There has been some type of sensitivity that I feel while wearing the strips. It’s like a very sharp yet very quick zap of pain on a tooth. I read that these pains are called “zingers.” I honestly haven’t ever had this happen, so I took a few months off. Thankfully, the time in between prevented any zinger pain. I especially wanted to include this Incase someone who has experienced the same issue is concerned and looking to see if anyone else has felt the same pain.