Michael A. answered 06/09/17
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From Algebra & Analogies to TSI & TEAS, I'll Make Them All a Breeze!
You are correct, Nicky. They are anaerobic. They cannot exist in the presence of oxygen. That's why the most effective mouthwashes contain oxygen, like Dr. Katz' Therabreath product. Most commercial mouthwashes like Listerine or Scope aren't nearly effective because they don't attack the root of the problem. They are a minty cover-up.