Quote:
Originally Posted by nico-t
i always learned that fluoride isn't harmful if you don't ingest it.
When brushing your teeth you spit it out.
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Yep, definitely don't swallow the fluoride, though some will be absorbed through the mouth. There are low-fluoride toothpastes for those who still want fluoride. Also it is equally important to make sure there is no titanium dioxide in the ingredients