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What is the main ingredient in OTC tooth whiteners?

Most OTC tooth whiteners use a peroxide-based bleaching agent. However, OTC tooth whiteners do not always work as well as professional whitening procedures you can get from your dentist. This is because they use lower concentrations of peroxide to remove stains from teeth. Some whitening toothpastes may use abrasive materials to uncover a brighter layer of enamel.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.