33 citations
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October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
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December 1966 in “Textile Research Journal” Animal hair fibers like wool and mohair are strong when dry, but vicuna fibers are very brittle.
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January 1971 in “The American midland naturalist” A simple method can show hair's surface pattern.
14 citations
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October 1974 in “Archives of Dermatology” Females with alopecia areata have more fingerprint arches.
The FOS gene helps hair growth in Tan sheep.
August 2025 in “Indian Dermatology Online Journal” Metaphors like "butterfly rash" and "moth-eaten" help doctors identify and describe skin conditions.
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January 1988
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November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
2 citations
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March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
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March 2016 in “Small ruminant research” Vicuña wool's quality is due to a high density of fine secondary hair follicles, and their skin glands may be used for communication.
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December 1972 in “Journal of Investigative Dermatology” 2 citations
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August 2019 in “Electronics and Communications in Japan” The device mimics human hair follicles and detects tiny forces and moments with high sensitivity.
1 citations
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January 2020 in “Qucosa (Saxon State and University Library Dresden)” Fine hair on bovine leathers is hard to remove, lowering leather quality and value, but can be managed with specific processing methods.
January 2018 in “The Sewanee Review” The poem reflects on hair loss, health concerns, and introspection.
September 1973 in “Primates” 21 citations
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December 1994 in “British Journal of Dermatology” Sheep dermal papillae can help form hair follicles in skin models.
488 citations
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July 2021 in “Cell” Fibroblasts are crucial for tissue repair and inflammation, and understanding them can help treat fibrotic diseases.
426 citations
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August 2014 in “Nature Medicine” Skin stem cells interacting with their environment is crucial for maintaining and regenerating skin and hair, and understanding this can help develop new treatments for skin and hair disorders.
298 citations
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June 2019 in “Marine Drugs” Chitosan is a sustainable, versatile ingredient in cosmetics, enhancing skin hydration and anti-aging while promoting eco-friendly practices.
231 citations
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October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
191 citations
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December 2003 in “Journal of Investigative Dermatology” Male pattern baldness is largely genetic, linked to the androgen receptor gene, and may relate to certain health issues.
165 citations
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December 2004 in “Differentiation” BMP signaling is crucial for skin and hair growth.
134 citations
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July 2020 in “Experimental dermatology” Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.
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March 2014 in “Proceedings of the National Academy of Sciences of the United States of America” Epidermal Wnt/β-catenin signaling controls fat cell formation and hair growth.
125 citations
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February 1971 in “Biochemistry” Specific cross-linkages help make hair proteins stable and strong.
119 citations
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February 2009 in “Neuroscience & Biobehavioral Reviews” Trichotillomania involves hair pulling and can be treated with therapy and medication.