5 count Oral-B Charcoal Electric Toothbrush Replacement Brush Heads Refill

Not a bad price, but treat these as standard brush head replacements only. The "charcoal infusion" is a literal non-factor. It was fabricated to try and hop on the popular trend of scratching your enamel off with real charcoal to whiten them, except oral-B would not commit to something like that which would do any damage to your teeth. Source: Am dentist