Hurt my teeth. I stopped using these after a while because I felt like they were damaging. Definitely worked though. My teeth were noticeable whiter.

Whitens my teeth beautifully. I've been using these whitening strips for years and continue to buy this brand

These definitely do the job. Unfortunately they do cause some teeth sensitivity so I usually have to take a break every few treatments.

Worked for sometime , After awhile it hurts your teeth only used it once but they whitened quickly .

Must use consistently for several days in a row to see a difference. Then your teeth might be sensitive to over doing it. Fine line.

My teeth are really white bc of these. Like cmon look my teeths are so pretty: :) I love this product

Loved this product! I used it sparingly since I do have sensitive teeth but had no trouble with it!! Noticed a difference in a few days!

It's pretty good. It truly does what it was designed to do, however, it made my teeth really sensitive so i had to stop using it for a little while.

THEY WORK!!!!! Very easy to use. You will see visible results after a couple uses. But consistency is key.

Makes your teeth so white. I had coffee stains on my teeth and it completely got rid of them. They grip on to your teeth better than other brands.