Ailment: Canker sore
Remedy: Hydrogen peroxide
Hydrogen peroxide H2O2. What it is, healing properties, uses, remedies and treatments, how to use it, possible reactions, warnings, and what to buy (and what not to buy).
Remedy (new) posted by David Niven Miller of Perth, WA, Australia on 26 April 2010 at 13:58 94
Apply h2o2 diluted half with water. Use a cotton bud, and get it into the pit of the canker. Hold it so that saliva does not wash it away