5. Apple Cider Vinegar Rinse
Apple cider vinegar has natural bleaching properties, though it should be used cautiously to avoid enamel erosion.
How to use: Dilute one teaspoon of apple cider vinegar in a glass of water. Rinse your mouth with it for 30 seconds, then rinse again with plain water.
6. Strawberry and Baking Soda Scrub
Strawberries contain malic acid, which naturally helps remove stains from the surface of your teeth.
How to use: Mash one ripe strawberry and mix it with half a teaspoon of baking soda. Brush your teeth with this mixture once a week.