Our Teeth Whitening Powder Contains Hydrated Silica, Soda, Cinnamon Extract, Etc. It Can Effectively Protect and Repair Gums, Effectively Remove Tooth Stains, Brighten Teeth, and Improve Oral Odor and Fresh Breath. The Method of Using It Is Very Simple: First Wet the Toothbrush with Some Toothpowder, Brush Your Teeth Gently for 2 to 3 Minutes According to the Correct Toothbrushing Methods, and Rinse Your Mouth with Clean Water after Brushing Your Teeth. After Use, the Teeth Are White and Bright, the Tartar Falls off, and It Has a Glorious Sweet Smile.