Two Cleansing Teeth Formula
15 grams each of linglingxiang (aromatic herb), white angelica root, green salt, and Sichuan rhubarb; 6 grams of fine cinnamon; 1.5 grams of musk (ground separately); 30 grams each of fine powder of sand pot and fine powder of gypsum. First, coarsely grind the first five ingredients into fine powder, then mix with the last three ingredients, and further refine. Each morning, use fingers to apply the powder to teeth, followed by rinsing with warm water. This formula originates from *Yuyao Yuanfang*, functions to clean teeth and whiten them, eliminate bad breath, and treat black or yellowish teeth. <Cleaning Teeth>