Six Cleansing Teeth Formula
30 grams each of root bark of Lycium barbarum, prune kernel, raw rehmannia root, and apricot kernels; 45 grams of Sichuan rhubarb; 15 grams each of *Ligusticum wallichii*, musk, and wasp nest. Grind all ingredients finely, sieve into powder. Use 3 grams each time, wrap in gauze, and hold in mouth to swallow saliva. This formula treats yellow or black, dry, lusterless teeth. <Cleaning Teeth>