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

In-office whitening treatments can be expensive, so many people turn to at-home teeth whitening. Here's what you need to ...

Bite’s whitening gel cuts out the need for the tray, as you can brush the gel directly on to your teeth. Compared to the Opalescence Go Kit, this one is a little messier and labor-intensive to use.