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April 2018 in “Journal of Investigative Dermatology” The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
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December 2004 in “Proceedings of the National Academy of Sciences” BMP signaling affects hair color by interacting with the MC-1R pathway.
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November 2009 in “Pigment cell & melanoma research” The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.
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February 2016 in “Scientific reports” Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
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Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker skin.
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"Bider" markings in Dun Mongolian horses are caused by a complex network of genes and pathways.
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March 2022 in “Journal of burn care & research” Eyebrow tinting can cause chemical burns and increased awareness of its risks is needed.
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TBX3 gene affects horse coat color, with higher expression in darker areas.
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January 2014 in “Indian journal of dermatology, venereology, and leprology” Papular mucinosis can cause eyebrow hair loss, but treatment can lead to regrowth.
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September 2017 in “Oncotarget” A certain signaling pathway in mice, when increased, causes hair to gray by depleting the cells that give hair its color.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
April 2018 in “Journal of Investigative Dermatology” BMP signaling is important for skin color, affecting melanin production, pigment spread, and cell movement.
February 2024 in “Genes to Cells” Losing molars in young mice causes premature gray hair between the eyebrows.
January 2007 in “Journal of the American Academy of Dermatology” A 73-year-old man's grey-white hair turned dark brown after eczema treatment.
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August 2013 in “International Journal of Cosmetic Science” Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.
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