They work pretty well! I will say that I have gotten better at using them with practice, and the results have gotten better. Pro tip: Repress the strips onto your teeth if you feel them loosening

I've used many organic natural teeth whitening strip brands but none of them have worked the way crest white strips do. these do make your teeth a little sensitive but it's so worth it!!!

Crest whitening strips are the best out there. If your teeth are sensitive shorten the time you wear them and make sure you DO NOT brush your teeth before putting them on. I always get complimented on how white my teeth are after I use them.

These whitening strips are so good and last a while. They make your teeth white and stay white with consistent use. They don't cause sensitivity for me personally so I highly recommend!

They were slimy and wouldn't stay in my teeth very well but it didn't stop em from doing there thing!! If they wasn't so expensive I'd still be using em!

I have never tried a different kind of whitener because these work so good!!! I used them before my brothers wedding and I am so happy I did! My teeth were so white

I love crest whitening strips! You have to use the treatment correctly in order for it to work! So whiten on consecutive days!!! Love the results, who doesn't want a bright smile

I've seen these whitening strips everywhere and I finally bought them a couple weeks ago. These whitening strips left my teeth so much brighter than before and didn't hurt my gums at all.

Love how right when you use them you immediately see a difference in the whiteness of your teeth. Noticeable, I don't love how you have to continue use to make them stay as white but it's is an amazing whitening product.

These crest strips work so good. I put them on and shower while they are in my mouth and remove them after. you can easily see progress. the only flaw is that it may possibly give you sensitive teeth.