Scientists have found that keratin, the protein in hair and skin, can repair and protect tooth enamel. The material forms a mineralized layer that halts decay and restores strength, outperforming ...

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 ...

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 ...