Gray hair may soon be permanently reversible, thanks to science

October 10, 2025

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1 min read

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Earth.com

A study suggests hair turns gray when pigment stem cells get stuck and can’t become new color-making cells. A new idea could reverse graying.

Gray hair often shows up before anything else about you feels older. Your hair keeps growing just fine, but the color fades thanks to the cells in the hair follicles. That switch doesn’t happen because your whole body suddenly “gets old.” It starts i... [5636 chars]

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