... Spec: 10g * 6 Name of Product: Tooth PowderSpec: 10g * 6Ingredient: The product is ... concha hallotidis.Function: It can oxidate yellow and black tooth caused by smoking, tea, coffee, red wine, areca ... catechu, food color, tetracycline pigmentation teeth to make tooth become white and shiny, At the same time, ... this powder on toothbrush or toothpaste when brush tooth. 1-2 times a day.Precaution:1. ...