Indian licorice is said to prevent tooth decay and gum disease by eliminating bacteria, plaque, and other pathogens. Various studies found that licorice supplementation could significantly improve overall oral health within just a few weeks of use.
Sage belongs to the mint family and is loaded with a number of antioxidants known to support immunity. In one study, a sage-based mouthwash effectively killed Streptococcus mutans and the number of overall colonies of bad bacteria was significantly reduced.
Peppermint belongs to the mint family and is commonly used in gum and mints for one main reason. The active ingredient in peppermint is menthol, which has been shown to freshen breath, kill bacteria & fungus, and eliminate other oral pathogens that may cause damage to gums and teeth.