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(Natural News) Americans spend billions on teeth whitening products. Surely, these products do whiten your teeth — but at what cost? A study by researchers at Stockton University revealed that teeth whitening products contain hydrogen peroxide that can damage the layer beneath the tooth’s enamel. A tooth has three layers: the outer enamel, the underlying dentin,... |
Teeth whitening does more harm than good – it can rot your teeth, study finds
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