When Colgate was developing its new low-waste Keep toothbrush, which has a reusable aluminum handle and replaceable heads (a starter pack costs $9.99; additional heads are $4.99 for two), the company ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. Haley Mast is a freelance writer, fact-checker, and small ...

According to Colgate-Palmolive, more than 495 million adult manual toothbrushes were purchased in the U.S. in 2020 and likely will end up in landfills because they cannot be easily recycled. This ...

How Colgate-Palmolive, NASA, and an astronaut are teaming for better space hygiene Colgate-Palmolive has joined forces with NASA and former astronaut Cady Coleman to develop better oral and skin ...