The medical term for hair graying is canities. Hair turns gray (or white) when your hair follicles stop creating melanin. Melanin is the substance that gives your skin and hair color.

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When we start to go grey depends a lot on genetics. Your first grey hairs usually appear anywhere between your twenties and ...

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Chemicals in hair dyes may cause allergies for some people. Around 38% of people who color their hair report having an allergic reaction to hair dye. The most common allergic reaction to hair dye is ...

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Getting stuck means no pigment cells, which means gray hair. “It is the loss of chameleon-like function in melanocyte stems cells that may be responsible for graying and loss of hair color ...