81 citations
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September 2009 in “Birth defects research” Different body areas in mice produce different hair types due to interactions between skin layers.
20 citations
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December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
24 citations
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September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
2 citations
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September 2022 in “World Rabbit Science” The WIF1 gene is crucial for hair growth in Angora rabbits.
3 citations
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March 2017 in “Pediatric Dermatology” FOXN1 duplication can cause excessive hair growth.
27 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”
January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
14 citations
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December 1991 in “Annals of the New York Academy of Sciences” MYC protooncogenes may be important for hair growth, but more research is needed.
October 2025 in “International Journal of Advanced Multidisciplinary Research and Studies” Hairless dogs have unique skin adaptations to regulate temperature and protect against environmental factors.
128 citations
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March 1989 in “Experimental Cell Research” Hoxc13 is important for hair and tongue development by controlling hair keratin genes.
January 2000 in “Medical Entomology and Zoology” 5 citations
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May 2021 in “Small ruminant research” The study found specific proteins that could mark different growth stages of cashmere goat hair and may help improve cashmere production.
5 citations
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January 2006 in “Indian Journal of Dermatology, Venereology and Leprology” Synthetic hairs are not recommended for use.
26 citations
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December 2020 in “Genes” A combination of IGF-1 and EGF promotes hair growth in Angora rabbits.
68 citations
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April 2014 in “Journal of Investigative Dermatology” Trichohyalin-like proteins are essential for the development of skin structures like hair, nails, and feathers.
March 2022 in “Veterinary dermatology” A one-year-old cat had multiple benign skin tumors similar to those known in humans.
Hibiscus leaf extract in hair tonic promotes hair growth effectively.
20 citations
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June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
January 2022 in “Journal of clinical and diagnostic research” A rare skin bump with tiny hairs was successfully removed from a man's face.
September 2021 in “Mağallaẗ al-Muẖtar li-l-ʿulūm” Two sisters have rare hair disorders causing short, fragile, kinky hair.
193 citations
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May 2008 in “Development” Activating β-catenin can turn skin cells into hair follicles.
33 citations
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March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
38 citations
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September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
8 citations
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December 2022 in “BMC Genomics” The research improved understanding of yak hair growth to help use yak wool better.
November 2013 in “Tampere University Institutional Repository (Tampere University)” Tudor-SN is important for immune cells, and polyamines can promote hair growth.
38 citations
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February 1989 in “Journal of Investigative Dermatology”
March 2024 in “Tissue and cell/Tissue & cell” Telomerase-positive cells are mainly in the bulb matrix and outer root sheath of hair follicles.
2 citations
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February 1994 in “Archives of Dermatology” The debate focuses on the role of catagen and hair shedding mechanisms in telogen effluvium.
22 citations
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January 1985 Water makes hair more flexible, especially the outer layer.
26 citations
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February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.