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June 2020 in “Experimental dermatology” Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
A man had a rare pigmented nodule on his scalp that developed from birthmarks.
September 2025 in “Scientific periodicals of Ukraine” Early diagnosis and treatment stopped hair loss and improved the condition.
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May 2001 in “Proceedings of the National Academy of Sciences” Overexpression of COX-2 in mice skin causes abnormal skin and hair development.
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September 2018 in “International journal of research - granthaalayah” Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.
May 2025 in “Journal of Food and Nutrition Research” Black wolfberry ferment may help regrow hair in cases of androgenetic alopecia.
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September 2023 in “Journal of the American Academy of Dermatology” Spanish speakers with limited English search most for "pigmentation/dark spots."
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August 2018 in “Korean Journal of Plant Resources” Oregonin from Alnus japonica may help prevent hair loss and promote hair growth.
November 2011 in “Journal of Investigative Dermatology” TRH in hair follicles can influence hair color by increasing melanin.
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April 2014 in “Anatomy Research International” Buffalo mammary glands develop in stages from 34 to 229 days during prenatal growth.
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November 2021 in “Frontiers in Cell and Developmental Biology” PBX1 helps reduce aging and cell death in hair follicle stem cells by decreasing DNA damage, not by improving DNA repair.
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April 1937 in “The journal of nutrition/The Journal of nutrition” Flavin prevents cataracts in young rats.
Melanin-rich skin has unique challenges in diagnosing and treating skin diseases.
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March 2010 in “PloS one” C/EBPalpha and C/EBPbeta are crucial for normal skin and oil gland cell development in adult mice.
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January 2013 in “International journal of trichology” Perifollicular erythema can indicate active frontal fibrosing alopecia.
January 2019 in “Figshare” Redheaded people have higher levels of vitamin D precursor, suggesting their hair color may be an adaptation to low sunlight areas.
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May 2017 in “Journal of Investigative Dermatology” A rare gene mutation causes skin fragility and itching without affecting hair or nails.
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February 2002 in “Journal of the American Academy of Dermatology” Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.
The curly mutation in SELH/Bc mice affects hair and may help study human genetic disorders.
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October 2000 in “Nature” RXRα is crucial for hair growth and skin cell function.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” The protein p21 is more abundant in normal skin cells than in melanoma cells and may help protect against melanoma, with UVB light affecting its levels.
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December 2023 in “Animals” Winter provides the best fur quality for Rex rabbits due to seasonal changes in specific signaling pathways.
July 2025 in “Scientific Reports” Dermal papilla cell-conditioned medium can help reduce skin aging caused by oxidative stress.
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February 2002 in “Carcinogenesis” Increasing SSAT makes skin more prone to cancer.