Hair-derived keratin toothpaste: A natural enamel repair revolution

LONDON, England: A pioneering study from King’s College London has revealed that keratin—sourced from human hair or wool—can form a crystalline scaffold on tooth enamel, offering both protective and regenerative benefits. This innovation may pave the way for a sustainable toothpaste or dental gel capable of repairing early enamel damage more effectively than current treatments do.