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 formula is vegan, safe and effective for sensitive teeth. It tastes great, too, flavored with lavender, strawberry, honeysuckle flower, vanilla and mint. These prefilled Opalescence teeth ...

Thank you for signing up! Did you know with a Digital Subscription to The Scotsman, you can get unlimited access to the website including our premium content, as well as benefiting from fewer ads ...