Our teeth whitening paint contains vaccinium corymbosum (blueberry) fruit extract, algin, silica. It can instantly brighten teeth, remove tooth stains and yellow dirt, brighten teeth, and clean mouth. The way to use it is simple: make sure your teeth are clean before use, dry the surface of your teeth with a paper towel or tooth wipes, and apply a thin layer. To avoid streaks, each tooth should be painted 1-3 times. It is important to wait at least 10 seconds between each layer to dry and get a pearly white smile. Any stain can be covered clean, non-irritating, non-sensitive, no taste, immediate results after use, easy to use, suitable for most teeth.