25 citations
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October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
Muscarinic acetylcholine receptors help regulate and promote hair growth.
335 citations
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March 2004 in “Development” Temporary activation of β-catenin can create new hair follicles, but ongoing activation is needed to keep hair follicle tumors.
April 2026 in “Frontiers in Cell and Developmental Biology” Hair follicles in mice help detect and respond to germs.
4 citations
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March 2015 in “Skin Research and Technology” Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
85 citations
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February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
7 citations
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September 1980 in “Zoological Journal of the Linnean Society” Dendritic cells help regulate skin development and hair growth in mice.
The model explains how mammal ear hair cells respond to sound and adapt.
23 citations
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December 1977 in “Virchows Archiv B Cell Pathology”
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
The method effectively measures hair elasticity and could be useful in forensics.
Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.
4 citations
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April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
7 citations
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January 1990 49 citations
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March 2004 in “Journal of Investigative Dermatology” The hHa7 gene is regulated by androgens in certain body hair, not scalp hair.
42 citations
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April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
18 citations
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August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
2 citations
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December 2022 in “Scientific Data” The study maps how genes are regulated during mouse hair growth.
August 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair stiffness is mainly influenced by tip compression and turgor pressure.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
March 1995 in “The Journal of Dermatology” Immature hair cells can grow and change into different types of hair cells over time.
13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
8 citations
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November 2020 in “Nature Communications” Adult stem cells with Tp63 can form hair and skin cells when placed in new skin, showing they have hidden abilities for skin repair.
Neuropeptides affect hair growth and could be used to control it.
52 citations
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August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
19 citations
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July 2004 in “Australasian Journal of Dermatology” Her hair grew back normally after she stopped rubbing it.
17 citations
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June 1990 in “PubMed” Hair varies in size and features depending on body region.