The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
21 citations
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April 2000 in “Journal of Cutaneous Pathology” The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
75 citations
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January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
20 citations
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January 2015 in “Current problems in dermatology” Graying hair happens due to aging and might be delayed by new treatments.
1 citations
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August 2024 in “Heliyon” Hair follicle stem cells can become melanocytes to help treat skin depigmentation.