Researchers explore sheep's wool and human hair as potential tooth enamel repair agents.

Friday, Aug 15, 2025 6:04 am ET1min read

A study by King's College London suggests that keratin, a protein found in sheep's wool and human hair, could be used to repair damaged tooth enamel in toothpaste and mouthwash. The researchers believe this could be the key to upgrading dental care.

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