This spring, the Medical Marijuana Caregivers of Maine joined the usual coalition of anti-pot forces that includes active law-enforcement groups, social conservatives and public health advocates to oppose a state bill that would legalize possession of small quantities of the drug.
And it's not a good idea to use it as mouthwash. Hydrogen peroxide (in dilute form) is used as a tooth whitener (check the active ingredients on those gel-based tooth whiteners, they usually use H2O2). It also has the side effect of turning your gums pale temporarily, though it wears off in a few hours.
Hydrogen peroxide solution is for cleaning, disinfecting, rinsing and storing your contact lenses. With this product, you place your lenses in the provided basket and rinse them, then place the basket in its cup and fill the cup with solution to clean and disinfect your lenses.