Exobrush

The bonkers, bristly story of how big toothbrush took over the world
In a few decades, two warring toothbrush giants have carved out a market worth billions, with the help of a little science and some clever marketing. But where does it go next?

Clean before you clean what’s on your toothbrush just might surprise you
Appropriate toothbrush storage and care are important to achieving personal oral hygiene and optimally effective plaque removal, says Maria L. Geisinger, DDS, assistant professor of periodontology in the School of Dentistry at the University of Alabama at Birmingham.

How your toothbrush became a part of the plastic crisis
At first, years ago, it was just an occasional piece of plastic trash that Kahi Pacarro, the founder of Sustainable Coastlines Hawaii, picked up on the beach cleanups he organized around the state. A straw here, a takeout container there. But one day Pacarro spotted something particularly surprising in the beach detritus: a toothbrush.