February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
69 citations
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April 2010 in “Clinical ophthalmology” Bimatoprost is effective for growing longer, thicker, and darker eyelashes.
12 citations
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February 1999 in “British Journal of Dermatology” Minoxidil increased small openings in blood vessel walls near growing hair in rats.
A woman had temporary hair loss due to stress from a spinal cord injury.
2 citations
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December 2007 in “Microbial pathogenesis” Anthrax bacteria can infect and destroy hair follicles in mice, but the immune system eventually clears the infection.