To round up the best teeth whitening kits, we asked oral care experts for their input and tested several top options ...

Whether you have discolored teeth or surface stains, there are a variety of products that make it easy to whiten teeth at home -- no dentist appointment ... hydrogen peroxide or carbamide peroxide.

Some home teeth-whitening kits ... amount of hydrogen peroxide, says consumer group Which?. A further 20 products out of 36 tested also had illegal levels of the bleach. All have since been ...

A: Whitening products containing peroxide can cause temporary ... rated products designed to gradually whiten your teeth, with claims of causing little to no tooth sensitivity.