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.

The thrifty at-home Crest 3D Whitestrips kit ... teeth bleaching." "I've never seen my teeth this white before!" another shocked reviewer wrote. "I've tried using other whitening pens which ...

At home teeth whitening kits are easily available to buy online. They work by bleaching your teeth to make them lighter in colour. However, there can be risks involved, Dr Smita Mehra, BDS ...