Sanyei ION-Sei

Built to be eco friendly, the Sanyei ION-Sei uses negative IONS to clean your teeth, avoiding the need for toothpaste or water.

Innovative negative ion tech for reducing plaque ; Available in a generous selection of attractive colours ; Superb, durable bristles

Requires a leap of faith ; No pressure sensitivity

Negative ions? Toothpaste-less brushing? It might sound like something out of the back pages of a comic book, but the ION-Sei’s unique plaque-removing, bacteria-repelling tech seems to do the trick. You’re paying for the tech though, as other fancy...