Always Wondered

Always Wondered

Why does hair turn gray?
Hair gets its color from pigment cells known as “melanocytes.”   Melanocytes produce chemicals that pass black, dark brown, red, and yellow melanin to cells that create the chief ingredient of hair, keratin. As people age, melanocyte cells tend to degrade, causing the keratin to receive less pigment. This leads to hair becoming gray in appearance.

 

Source; listverse

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