It’s still not what you might call cheap, but it’s a premium brush at a price you might find easier to swallow. However, most toothbrush heads are not recyclable as part of household waste, so they should be tossed in the trash when they’re no longer useful. There are no independent studies comparing sonic toothbrush… Continue reading Oral-B iO Series Electric Toothbrush Replacement Brush Heads 6 ct Refills