The gray area of charcoal toothpaste | Scienceline
They bill themselves as a natural alternative for squeaky-clean, super-white teeth — but should you open wide for charcoal?
Ivan Oransky
693d ago
“Kitty litter is great, but I wouldn’t go ahead and brush my teeth with it." In @scienceline, @MarionRenault has the real story on charcoal toothpaste.
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