Hair color is due to:

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    Type and amount of melanin
    Pigment composition and concentration
    Dermal blood supply
    Depth of the hair shaft
asked Jun 17, 2012 in Anatomy & Physiology by anonymous
    

1 Answer

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Type and amount of melanin
answered Jun 17, 2012 by Bioshare ~Top Expert~ (34,070 points)

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