The addition of this ingredient to Yunnan Baiyao Langjian toothpaste may have a certain effect on improving oral problems caused by taking medicine, such as dry mouth and oral ulcer. In addition, this toothpaste also contains stain removal factors, refreshing factors and other ingredients, which can repair the oral injury caused by smokers, help reduce dental plaque, remove and prevent tobacco stains, as well as the deposition of tea stains and coffee stains. At the same time, it can 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.