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Dying your hair is one option. Nobody really knows completely all the cause for greying hair other than melanocyte death, but there are some ideas. Some suggest that those with greying hair could be missing an enzyme called catalase which helps rid the body of peroxide. Stress and certain vitamin and mineral deficiencies could be causes as well. Low B12 levels or thyroid hormone deficiencies could be causes.

The anti-cancer drug Imatinib could help reduce grey hair, but it is too expensive and dangerous to use for that purpose.

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Q: How do you reverse white hair into black?
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