Baking soda is slightly coarse and acts as a scrub on your teeth while lemon juice contains citric acid that acts as a bleaching agent. As baking soda is alkaline in nature, it counteracts the acidity of lemon juice. Together as a combination, they work best for teeth whitening.
- Take a spoonful of baking soda and add lemon juice to it to form a thick paste.
- Apply this paste to your teeth with your toothbrush and leave it on for a minute.
- Rinse your mouth thoroughly and notice the difference in the colour of your teeth.
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