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August 1969 in “Science” Melatonin causes weasels to grow white fur and become reproductively inactive.
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January 2004 in “Journal of Wildlife Diseases” A deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
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September 2022 in “Journal of Investigative Dermatology” Careful selection of mice by genetics and age, and controlled housing conditions improve the reliability of hair regrowth in wound healing tests.
January 2022 in “Figshare” Dexamethasone increases androgen receptor activity in scalp cells, which might explain stress-related hair loss.
February 2026 in “European Urology” July 1998 in “Journal of Investigative Dermatology” Correcting their experiment, the authors confirmed β-estradiol affects hair growth in mice.
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September 2025 in “Journal of the American Academy of Dermatology”
The document concludes that the new model realistically simulates male baldness and could be useful for medical purposes and entertainment.
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July 2017 in “PubMed” Injecting a mix of human skin and hair cells into mice can grow new hair.
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January 2007 Citrullus colocynthis extracts may promote hair growth as effectively as minoxidil.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Pig hair cortisol levels are inheritable and linked to stress responses, which could help select for more resilient pigs.
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April 2026 in “Al-Kufa University Journal for Biology” Finasteride lowers cortisol and raises testosterone levels in rats.
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July 1994 in “Journal of Dermatological Science” Cyclosporin extends hair growth in mice, but high-dose corticosteroids block this effect.
CRH causes hair loss by reducing cell survival in hair follicles.
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May 2005 in “British Journal of Cancer” Plucked human hair can be used to study drug effects on certain cell markers.
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September 2012 in “Aesthetic Plastic Surgery” Minoxidil applied before and after surgery improves skin flap survival in rats.
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May 2008 in “Neuroscience” Finasteride given to baby rats causes anxiety-like behavior and worsens learning from punishment in adult rats.
October 2021 in “Journal of Investigative Dermatology” Dkk4 protein is necessary for the proper development and arrangement of hair follicles.
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September 1994 in “The Journal of Clinical Endocrinology and Metabolism” 1 citations
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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.
June 2026 in “Journal of Investigative Dermatology” April 2023 in “Journal of Investigative Dermatology” Increased TEMRA cells can predict treatment outcomes in rapidly progressive alopecia areata.
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May 2001 in “Journal of Investigative Dermatology” Excessive putrescine causes hair loss in transgenic mice by disrupting hair follicle development.
15 citations
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October 1976 in “Biochemical Journal” Naked-mouse hair lacks certain proteins and has less soluble fibril.
March 2022 in “Journal of The American Academy of Dermatology” The study found different balding patterns in men of color.
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April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.