The Hair Pigmentation Unit And Hair Graying

February 2005 in “ CRC Press eBooks ”

Bruno A. Bernard and Ste ́phane Commo

melanins melanogenesis melanosomes melanocytes epidermal melanocytes hair melanocytes anagen phase hair color hair cortex growing phase

TLDR Hair color is due to active pigment cells in hair during growth.

The document discussed how hair color is determined by the presence or absence of melanins in the hair cortex, which are produced through melanogenesis in melanosomes by melanocytes. Unlike epidermal melanocytes, hair melanocytes remain permanently active during the hair's growing phase (anagen), likely due to a specific but not fully understood regulatory network.

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research Common Dermatologic Conditions

14 citations, April 2014 in “Medical Clinics of North America”

The document concludes that quick referral and appropriate treatments are crucial for managing common skin conditions and preventing permanent damage.