Oh my gosh!!!: When baking soda is used straight - it acts as an abrasive and can wear down enamel on your teeth. Lemons contain citric acid which can eat away at teeth. Would not recommend doing this.
Answered 4/12/2020
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Sand + Acid: Baking soda is abrasive (like sand), and lemons are very acidic, the very thing that dissolves enamel. Neither have whitening properties.. They may remove superficial stains.
Answered 12/18/2013
4.7k views
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