Brand from Japan: Ishizawa-Lab. For when you are concerned about persistent yellowing of teeth*1.The protein-decomposing power of baking soda*2 lifts the yellowing, and polyphosphate*3 coats the surface of the teeth to keep the source of the yellowing at bay!Mint essential oil*4 refreshes your mouth!Can also be used as a toothpaste when you can't brush your teeth!Keep smiling, your teeth sparkling white.Contains no abrasives or synthetic fragrances.How to use:Take out one finger-shaped sheet with clean hands and place your finger in the center so that there are two layers on each side.Press the bottom of the sheet and gently wipe away dirt from your teeth and mouth.No need to rinse with water after use.Close the zipper tightly after use.