ION-Sei makes smart toothbrushes for even the most sensitive teeth. Birthed from a Japanese wellness brand, their electric toothbrush uses ions (negatively charged particles) to keep bacteria from sticking to…ION-Sei makes smart toothbrushes for even the most sensitive teeth.Birthed from a Japanese wellness brand, their electric toothbrush uses ions (negatively charged particles) to keep bacteria from sticking to your teeth. Clinically-proven gentle cleaning for any level of dental hygiene.
