Reverse handle for left hand. Place small portion of toothpaste on Radius Source Brush in circular motion away from gums. To sanitize, swirl in 50/50 peroxide/water solution. Replace head every 3 months. 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