Strawberries (which contain malic acid which helps remove tooth discoloration) + a little baking soda (which acts as a buffer) = natural (and cruelty-free) tooth whitener! It’s fast, it’s cheap, and it’s super easy to whip together.
What you’ll need:
1 ripe strawberry
1/2 teaspoon of baking soda
Mash the strawberry and mix it in with the baking soda. [...]