I love the crest white strips, nothing can fix stained teeth quicker and easier! Put an alarm for the amount of time to leave it on, watch tv, and take them off when the alarm goes off! Really great for coffee/tea stains on teeth and making them look like you just had a cleaning! If you have sensitive teeth brush with Sensodyne or Pronamel toothpastes to help with sensitivity and you won't feel a thing!

I've used these a few times over the years and I think they make a big difference. I tend to use them every other day instead of everyday to reduce sensitivity. I notice a more even, brighter color on my teeth and my close friend or family will even make comments about my smile appearing whiter. I do experience some sensitivity with extended use so I try not to overdue it or leave them on too long.

You can see the difference after one use. This stuff changed the way my teeth look. I get so many compliments on how white they are. There might be a little bit of a tingling sensation. The light also makes your results show up faster. I highly highly recommend.

These are my go to. They make your teeth visibly whiter after one use. They don't taste very good but I use them before special events for 45 min - an hour (the allocated time is 10-20 min) and my teeth are GLOWING. I use them very sparingly as they make your teeth sensitive but I absolutely love these and can't imagine not having them

These are great. I just hate how long they take. And you also can't eat for a certain time after and I feel like the whole time portion of takes up a lot of my day, so my piece of advice is to manage your time better if you want to use these. Overall: 9/10

I used this product for a week. Honestly I'm not sure I am getting any results. I took before and after pictures and it's hard to tell for me. If anything my teeth are probably one shade lighter. I stop using them after a week because I was getting teeth sensitive and I didn't like it. It started after two days of use. I stopped folder the strips over at the bottom of my teeth because I was getting the sensitive on the bottom/tip of my teeth. It seem to have helped but then a few days later I started to get it everywhere and so I stopped using it all together. Maybe with continued use I would have gotten better results. The strips are very easy to use and they actually stays put. They have super adhesive, I was actually able to drink with them on and they did not budged. It takes a bit of pulling to get them off my teeth. I was looking forward to getting whiter teeth. These are just not for me but may work fine for someone else. Maybe my teeth weren't yellow enough to be whitened, I don't know…

It's a bit on the expensive side but if you want noticable results I would highly recommend this product. The kit includes everything you need and takes the guess work out using the product. It's no replacement for professional teeth whitening but it works great.

These whiten my teeth better than alot of brands nd they stay white for a good amount of time which i like once I get them bright white I don't have to use them that often just here and there like before going out somewhere or before an occasion or event. Love this stuff

Been using these for about a year and they work amazingly. You can see your teeth whitening from the first use! Super easy to use. The only negative thing is sometimes it bleaches my gums for a short period of time but goes away within an hour. Love using this and will be a customer for life!

I absolutely love this product! I've been using it for over 6 months now and it's amazing. I will warn those that have sensitive guns and teeth that this product may make them more sensitive the next day. Usually it's temporary. My teeth have never been whiter and it's so easy to use!