If I brush my teeth twice a day and always use extra whitening toothpaste then why aren’t my teeth super white?
In: 31
According to the toothpaste adverts in the UK, as the enamel on teeth wears thin, the under layer of tooth starts showing through and this under layer is yellow in colour
I’m just a random guy with no knowledge or expertise so that could be pure marketing for their enamel strengthening toothpaste
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