Brand from Thailand: Rasyan. This dental powder contains natural herbal medicines such as chrysanthemum plant extract (patchouli), mint brain, clove oil, camphor, salt, etc.Can effectively remove oral problems such as cigarettes, plaque, dental stones, and yellowing of teeth, and even have the effect of anti -inflammatory bacteriostatic.In addition to whitening, its herbal fragrance can also be fresh. It is a universal tooth powder that combines many functions.How to use:Take a pea-sized amount of toothpaste each time and brush for about 2-3 minutes.The foam is fine and does not irritate the mouth.