The Big Brush™/Flex™ Brush is too big for my mouth. Is the Source™ Toothbrush smaller?

Yes! The Big Brush™ features a wide oval head designed to improve gum health and massage your whole mouth. If our Big Brush™ feels too large, the Source™ Toothbrush is a great alternative. It has a smaller head, a slim, longer neck for reaching tight spaces, and does not have the 45-degree angle.

The Source™ head is about 50% smaller than the Big Brush™ and Flex™ Brush but still contains 200–300% more bristles than an ordinary toothbrush. All of our replacement heads are interchangeable, so you can use Big Brush Replacement Heads with the Source handle and vice versa.

Oct 8, 2025

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