Do you know what's in your toothpaste? The chemicals you can't see

The Science Briefing

Most dentists say you should brush your teeth twice a day, so if you think about it, it's one of the most regular things we put in our mouths.

But how much do you know about the chemicals in your toothpaste?

Cosmos Magazine journalist and resident chemistry expert Ellen Phiddian runs us through what's in your toothpaste and the tablets some claim can replace brushing altogether.

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