feature:1. Can naturally whiten teeth.2. Suitable for people who with black teeth & yellow teeth caused by smoking, tea drinking, coffee. 3. Remove tartar & odor & keep the mouth clean. Long-term use can help prevent periodontal problems.description: Project Type: Tooth Whitening Powder Main ingredients: bamboo charcoal activated carbon powder Capacity: 10 gramshow to use:1. Rinse the mouth & moisten the teeth, apply a proper amount of powder on the teeth & brush for about 3 minutes. Then brush with water for deep cleaning.2. Once a day, if you use it for one week, the effect will be more obvious. Package Included:1 x tooth whitening charcoal powdernote: Please keep in a dry environment.