Super-charged to clean up your mouth and our world, the Big Brush™ handle is reusable forever – just replace the brush head! The Big Brush was engineered to protect your mouth and our environment in the days to come.
Supersized, gum massaging design.
The wide oval brush head is designed to improve gum health and can even reduce the risk of gum and heart disease by massaging the whole mouth — leaving you with that tingly-fresh feeling. It’s like a trip to the dentist, every day and night. Pair these replacement heads with our Big Brush™ or our Source™ Brush.
A longer lasting brush.
These brushes are designed to last longer than the average toothbrush. That means you get a better cleaning and create less waste.
Replacement Head for reduced waste
By using a Replacement Head, 90 out of every 100 toothbrushes escape the fate of the landfills. Your forever handle is made from renewable timber and designed to last. Help us turn the tide on the plastic epidemic that litters our fields and clogs our oceans.
- dentist recommended
“It’s fun and softer on your mouth so you're going to have a better brushing experience.”
- — Dr. Deborah Ann Klotz
“This is what they do. They make toothbrushes. And they do it superior to other toothbrush manufacturers.”
- — Dr. Robert L. Schlossberg
“It’s fun and softer on your mouth so you're going to have a better brushing experience.”— Dr. Deborah Ann Klotz
“This is what they do. They make toothbrushes. And they do it superior to other toothbrush manufacturers.”— Dr. Robert L. Schlossberg
What people are saying.
We started with the original Scuba toothbrush from the gift shop of our local art museum. They stocked it because of its amazing design. We have been using them since the late 1980s and we thought we would never change. Then Radius had the great idea to make the head replaceable and the Big Brush was born. The Big Brush with replaceable heads is our new standard. They work great for us and now waste is reduced by simply getting a new head. Radius, you are the BEST!
Big Brush Replacement Heads (2 pack)
Ease of brushing with the big head makes sure you’ve reached all of your teeth. And being able to just replace the worn bristle head instead of the whole handle-perfect!
We love the toothbrushes and the the 6 pack floss means we won’t run out! The toothpaste though we don’t like as much.
My package was delivered when expected. This is a toothbrush I will continue to purchase!!
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