3 simple homemade toothpaste recipes
While some people in rural parts of the world may resort to the use of brick, charcoal, rangoli powder, mud, salt or ash for toothpaste, western brushers usually rely on a tube of mystery ingredients to make their pearly whites sparkle like the Pepsodent girl's. But the ingredients found in conventional toothpastes — including sodium fluoride, synthetic dyes derived from petroleum or coal tar, sodium hydroxide (also known as lye or caustic soda), sodium lauryl sulfate, titanium dioxide, artificial sweeteners, and triclosan — might make us think twice about the products we employ for the sake of our teeth. Of course, we’re not actively swallowing the stuff, but it’s unavoidable that a bit will slink down the gullet from time to time. And given that most of us brush our teeth 730 times or more a year, there’s no shortage of opportunity to ingest ingredients better left in the lab. The most controversial of all the ingredients is fluoride. 1. 2. 3. Related stories on MNN:
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