People generally try to keep hair out of their mouths, but it turns out hair may be good for teeth. Keratin is a protein found in hair and wool. When applied to teeth, it mixes with the minerals in ...

Imagine brushing your teeth with a paste made from your own hair, not as a quirky DIY stunt, but as a serious, science-backed solution to repair tooth damage. Researchers at King’s College London have ...

Would you use a toothpaste made from human hair if it promised to protect, repair, and reduce pain in your teeth better than anything on the market? That might be a question you'll have to contend ...