Guest guest Posted January 31, 2004 Report Share Posted January 31, 2004 Does anyone know if Benzocaine and Benzoic Acid are related? I recently tried Listerine Citrus " Less Intense " and I got that wierd numb feeling I get when I use Benzocaine on my canker sores. Benzoic Acid is listed in the inactive ingredients. Coincidence? Why would they need to numb you? So you don't know just how intense their mouthwash is? Kris Quote Link to comment Share on other sites More sharing options...
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