Clean Coal: 4 Charcoal Products for Better Skin

These powder-based pastes aren’t worth the trouble, says New York City dentist Gregg Lituchy. “They don’t contain fluoride, they can wear away enamel, and if you accidentally ingest some, it can interfere with medication or digestive bacteria,” he says. You’ll also have to deal with a mouthful of messy black suds.

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