Teeth whitening products: safe or scary?
There’s no end to the things some of us will do to ourselves to look good, and we can be easily tempted into the desire for a fresh set of pearly whites. Have you ever wondered what it is they put on your teeth to whiten them? Is it safe or plain scary? Casey Beros has been down in the mouth investigating.

Tonic TV | T-S053 | S01E04