Sparkle Ionic Wide-Head Toothbrush (Refill) Mix Color Product Details Plaque is bonded to teeth by positive ions contained in saliva.Sparkle Ionic Wide head loosens the bond with moving negative ions generated from the built-in battery, making it easy to remove plaque. -Removes plaque safely and efficiently -Prevents bad breath -Makes your teeth smooth -Refreshes your mouth - Stimulates your gums Place of Origin Japan Directions Replaceable brush head Ingredients PBT : Polypropylene Terephthalate , PP : Polypropylene