16 citations,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair color is determined by different melanins and changes with age.
16 citations,
February 2015 in “Photochemistry and Photobiology” Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.
February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
July 1975 in “Archives of Dermatology” The document suggests a possible connection between rapid weight loss and hair loss, and reports a case of skin condition improvement after stopping acne medication.
152 citations,
December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.