The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
November 2025 in “Journal of Investigative Dermatology” Certain immune cells in atopic dermatitis skin could be targeted for treatment.
7 citations
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November 2011 in “Skin Research and Technology” The study found a specific pattern of uneven melanin distribution on balding scalps that could help understand skin diseases caused by light exposure.
41 citations
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December 2018 in “Experimental Dermatology” Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.
March 2024 in “Skin research and technology” New dermoscopic criteria accurately diagnose and grade the severity of hair loss in androgenetic alopecia.
5 citations
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September 2023 in “Pediatric Research” March 2023 in “Journal of Cosmetic Dermatology” Trichoscopy is effective for diagnosing scalp ACC in darker skin tones.
May 2017 in “Journal of The American Academy of Dermatology” An intact skin barrier is crucial to prevent infection in cases of tether-induced tenosynovitis.
December 2023 in “Portuguese journal of dermatology and venereology” Trichoscopy can reliably distinguish between alopecia areata and trichotillomania.