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What is potassium nitrate? How does it stop sensitivity?

April 26, 2017nitrate Potassium

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What is potassium nitrate? How does it stop sensitivity?

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Potassium nitrate is a chemical compound. In toothpaste, it is the active ingredient that penetrates through the teeth to relieve the pain from sensitive nerves inside teeth. Additionally, it is the FDA-approved ingredient to treat tooth hypersensitivity.