Name the pigment that determines hair color.

Answer: melanin.
This pigment is produced in skin cells called melanocytes. This substance has also been found in the brain, where it is part of the substantia nigra, determining its color, and in the inner ear. The amount of melanin determines the color of the hair: the more cells of this substance produce, the darker the color. Melanin also protects the skin from radiation exposure.



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