Scientists in the UK have found keratin, a protein in hair, can rebuild enamel and repair early tooth decay. The discovery could lead to keratin-based toothpaste or dental gels within two to three ...

In TODAY.com's Expert Tip of the Day, dentists reveal how much toothpaste you actually need to clean your teeth, and why more is not always better.

Researchers from King's College London report that keratin can protect against tooth decay and repair early-stage enamel damage better than fluoride. Researchers from King’s College London say they ...

Palmolive, is making its toothpaste a test of nationalism by asking consumers to shun American brands, as companies intensify promotion of local goods amid worsening trade ties with the United States.