First I was skeptical about using the product , but after I started seeing results after the first week I became obsessed !!! I bought like 3 boxes in total , I started using the product in the beginning of April now it's May 18... Now don't get me wrong it really depends on the shade of your teeth and how long the process takes .14 strips come in each box .. I don't think my teeth can get any more whiter but this product is just miraculous!!!

I have tried all sorts of whitening products for my teeth. I must say, Crest Whitestrips are the easiest to use. Plus, the results are super quick! You just stick the Whitestrips on your teeth like a sticker. Leave on for about 30 minutes...and that is it! The results are great and I only need to use them for about a week to get the desired whitening that I need. Plus, the whitening formula does not bother my sensitive teeth and gums.

These whitening strips were my first I've ever used, and are still going strong many months later. I have bought another set just to keep up. These aren't going to give you a bleaching white smile, but will get some nice shades of white that are noticeable and look good on a smile.

I want to write a review on all of crest products. And Crest white strips. I has yellow coffee and smoked stained teeth. My smile was so bad I decided to try crest white strips, I cant not tell you, how I fell now I am so proud to smile, thanks to these products, I use, 3d tooth paste mouthwash, and of course my white strips. thnk you Crest.

I used the kit, and had no difference occur. I was very surprised because many years ago I used one of the first kits in this product line, and noticed results. I don't smoke, or drink coffee. Only drink red wines or tea occasionally. Adhered to teeth well, and stayed put. These strips are easy, and convenient to use.

I bought these with the understanding that I would be getting 2 boxes (because that's what was shown on the site when I ordered), not a mailing box with individual packages of strips. I see they have changed the advertising now, showing how they will arrive (so at least everyone knows). It's just disappointing because they were supposed to be 2 individual gifts for 2 different people. I hope they are still effective products, that will be later determined.

These strips definitely work wonders! I saw results in a matter of days. I drink coffee every day & they definitely cut through the stains on my teeth. You may feel some sensitivity and in that case I would recommend only using them one a day or every two days!

I used to use these while getting ready and doing my makeup in college. They're a great product and over time you can definitely see a difference in whiteness of your teeth. I would recommend this product to anyone who is willing to wait and be patient for results

This made my teeth so unbelievably white! It was a little expensive, but you definitely get what you paid for. I have used this product once a year for quite a few years now. The only complaint I have is that it makes my teeth and gums very sensitive. Other than that, I love this.

These are SO amazing. Within 3 uses ( I used once a day) I noticed a big difference. Within 10 days other people noticed a huge difference. I got so many compliments on how white my teeth are from friends, family, and even just random people I talked to! For the first 2 mins of putting them on each day, my teeth were a little bit sensitive but after about 2 mins it went down so I was always able to make it the full 30 minutes. I don’t notice any sensitivity difference when it comes to drinking or eating, always a plus! Highly recommend!