Honestly, I've never been in such tooth pain. Used it ONCE for the correct amount of time, and the pain kept me up all night. I still can't eat or drink and it's the next day. My teeth are on fire and my gums are throbbing.

Every one asking about my teeth's why they are so white bright and I drink café and red wine I do not smoke . There is no secret 3D White strip way to go if you want a beautiful smile

Whenever I use one of these strips, it makes me feel dazzling. They brighten up my smile enough to make a difference. I get compliments all the time on how white my teeth are. I cannot live without them. I keep one in my make-up case in my purse.

I really loved the Crest 3D products. I could tell a difference in the color of my teeth in just one use. I would recommend this product to anyone. Great Product and worth every penny!

The strips don't stick well, and some don't stick at all. The strips look like they have been over heated or something. If I didn't throw the box away I'd be asking for a refund.

I have been using Crest 3 D whitestrips for less than a month. By my 4th treatment my yellow teeth were WHITE! I smile all the time now. I haven't smiled with my teeth showing for over 20 years!

So easy and such an obvious difference. Pic at night, in same artificial light, comparing before and after 10 days/treatments (so half of a full course).

This product rocks !!!! After using this , I've got multiple comments on my smile and have referred plenty of friends and co-workers to using these strips! I love them (smiling as I type this)!!!!

I used this for the full 20 days and I didn't see any results. I spent money that I don't really have right now on it, and really wanted it to work...I ofcourse lost my receipt so I am out of that money...Oh well :(

Very very good product! Does the job of noticibly whiter teeth. While it probably doesn't remove "14 years" worth of stains, it does incredibly well at removing stains in general. Worth every penny!