"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to ...

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 ...

Your next toothpaste might be made from your hair, and it could regrow your enamel. According to researchers from King's College London, oral care may come from an unexpected source. They found that ...