Our 7-Day Teeth Whitening powder contains peppermint extract, baking soda, and sodium phytate. It can be used for oral cleaning care, oxidizing stains, refreshing breath, cleaning teeth yellow and dirt. Its use is simple: 1. Brush your teeth with toothpaste and rinse. Apply the powder to the brush or mix it with water to make a paste. 2. Follow the instructions on the box to brush your teeth and use it for 3 minutes. Rinse your mouth thoroughly with warm water, then spit out any excess powder. (Repeat this process once a day for 7 days, or until the desired effect is achieved). Freshen breath, clean teeth, oxidize stains, whiten teeth.