Yunnan Baiyao Langjian Toothpaste is added with this ingredient, which may have a certain effect on improving oral problems caused by taking drugs, such as dry mouth and oral ulcer. In addition, this toothpaste also contains stain removal factor, refreshing factor and other ingredients, which can repair the oral injury caused by smokers after smoking, help reduce plaque, remove and prevent tobacco stains, as well as the deposition of tea stains and coffee stains. At the same time, it can also refresh the breath and nourish the gums.
if you have more specific questions about Yunnan Baiyao langjian toothpaste or other oral care products, I suggest you consult a professional dentist or experts in related fields.