1. Pomegranate Leaf Fresh Breath Recipe
Pomegranate leaves should be washed and brewed with boiling water to make a tea drink. This can leave a lingering fragrance in the mouth and also has a teeth-cleaning effect.
Source: Folk recipe
2. Osmanthus Fresh Breath Recipe
3-5 grams of osmanthus should be soaked in warm water to make a tea drink. This can freshen breath and also has the effect of promoting salivation and dissolving phlegm.
Source: "Compendium of Materia Medica"