Place small portion of toothpaste on Radius Source. Brush in circular motion away from gums. To sanitize, swirl in 50/50 hydrogen peroxide/water solution. Replace head every 3 months or try Radius Original or Scuba Toothbrush! Product sold as right hand. To reposition/replace head, tug firmly on head and reinsert. Handle bump should be faced up in hand for correct orientation.
Always refer to the actual package for the most accurate information