Miswak is a root of the so-called toothbrush tree (Salvadora Persica). It has been used for thousands of years for natural teeth cleaning in Arab countries and is therefore the oldest form of toothbrush. Wood naturally contains fluorides, tannins, saponins, vitamin C, flavonoids, silicon, calcium and potassium. These ingredients are very effective in oral hygiene and beneficial for dental health. THE insider tip for white and healthy teeth. - gentle cleaning of teeth - antibacterial (thanks to flavonoids) and mineralizing - can have a whitening effect - no toothpaste is necessary