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October 1985 in “British Journal of Dermatology” The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
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July 2015 in “Journal of Investigative Dermatology” Chicken feather gene mutation helps understand human hair disorders.
December 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Hedgehog signaling controls hair follicle development and can affect skin cancer growth.
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April 2018 in “Animal Genetics” Researchers found two genes that may explain why some Casertana pigs don't have hair.
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January 1987 in “PubMed” Woolly hair syndrome is a genetic condition causing frizzy, fragile hair.
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October 2022 in “International Journal of Molecular Sciences” Male mice with FGF5 mutations grow longer hair than females.
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March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
June 2018 in “Journal of the American Veterinary Medical Association” Three related Persian cats have a rare, likely hereditary skin condition causing hair loss and poor coat quality, with limited treatment options.
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April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.
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February 2010 in “Experimental Dermatology” The frizzy mouse and hairless rat mutations are due to changes in the Prss8 gene.
January 2018 in “The journal of the convergence on culture technology” Astringent persimmon fruit extract can promote hair growth.
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December 2020 in “Scientific reports” Selective breeding caused the unique curly hair in Mangalitza pigs.
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May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
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April 2006 in “Journal of Pediatric and Adolescent Gynecology” Shaving caused a mild, itchy pubic rash with small bumps and crusts.
Melatonin increased the activity of a hair growth gene in Cashmere goats.
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October 1992 in “PubMed” Sinus hair follicles in mammals have different nerve fiber types with species-specific patterns, especially in cats.
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May 1998 in “Acta agriculturæ Scandinavica. Section A, Animal science” Blue foxes born later in the season have a slightly delayed fur growth cycle, but it catches up by mid-November.
October 2024 in “AL-MIKRAJ Jurnal Studi Islam dan Humaniora (E-ISSN 2745-4584)” A 30% papaya skin extract hair tonic effectively promotes hair growth.
April 2018 in “Journal of Investigative Dermatology” A new peptide, FOL-005, may help treat excessive hair growth by reducing a hair growth promoter, FGF7.
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February 2023 in “Animals” Hair follicle traits at 6 months can help select cashmere goats for breeding.
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January 2013 in “International Journal of Trichology” More vellus hairs in frontal scalp indicate early female pattern hair loss.
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September 2021 in “The Journal of Dermatology” Japanese cases of fibrosing alopecia show a unique age and hair loss pattern, possibly due to racial differences.
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
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October 2010 in “Mammalian genome” Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.
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February 2008 in “Nature genetics” Mutations in the P2RY5 gene cause autosomal recessive woolly hair.
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December 2006 in “Proceedings of the National Academy of Sciences” Hair patterns in mice are controlled by both a global system dependent on Fz6 and a local self-organizing system.
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.