50 citations
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March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
December 2025 in “Nature Communications” Club-like receptors detect light touch but not whisking.
43 citations
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November 1988 in “The Journal of Comparative Neurology” Different types of hairs on a rat's hindlimb have varying levels and patterns of nerve innervation.
Hair feels different when touched and rubs together in various ways.
Muscarinic acetylcholine receptors help regulate and promote hair growth.
101 citations
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January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
42 citations
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July 1993 in “Journal of Investigative Dermatology”
February 2025 in “Science Advances” Wnt signaling helps regenerate hair follicles by affecting how skin cells sense and respond to mechanical forces.
28 citations
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September 1995 in “Biochemistry and Cell Biology” Merkel cells are more densely found in hairless skin areas like palms and soles.
26 citations
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October 2023 in “Neuroscience Bulletin” Stem cell therapy could help regenerate inner ear hair cells to treat hearing loss.
August 2016 in “Journal of Investigative Dermatology” Human hair follicles have a scent receptor that can influence hair growth.
123 citations
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November 2003 in “Neuroscience Letters” TRPV4 helps sense pressure in mouse skin.
January 2000 in “Neuroscience Research” January 1992 in “Biology of the Cell” Retinoic acid receptors are important for hair follicle development.
28 citations
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March 2011 in “Journal of Investigative Dermatology” Hair follicles help guide nerve growth, improving touch recovery in skin grafts.
7 citations
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July 2000 in “Hearing Research” Lateral interactions guide hair cell patterning in chick basilar papilla.
1 citations
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January 2003 Merkel cells likely attract sensory nerve fibers.
July 2025 in “The Journal of Physiology” C-tactile afferents are linked to emotional touch and social bonding through hair movement.
30 citations
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July 1993 in “Journal of Investigative Dermatology” 45 citations
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December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
January 2019 in “Durham e-Theses (Durham University)” Less stiff collagen promotes higher cell growth in hair follicles.
77 citations
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July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
63 citations
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January 1992 in “Experimental Neurology” Chickens exposed to loud noise can quickly regain hearing mostly due to repair of the tectorial membrane, not just hair cell regeneration.
January 2011 in “Hispania Judaica bulletin” Mechanical forces are crucial for hair regeneration in skin organoids.
46 citations
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April 1987 in “Brain Research”
3 citations
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June 2013 in “Genes & development” CaV1.2 helps activate hair follicle stem cells without calcium flux.
October 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Aging reduces hair cell size and function in mice, contributing to hearing loss.
39 citations
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November 2007 in “Experimental dermatology” Human hair follicles contain a complex network of prostanoid receptors that may influence hair growth.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
November 2021 in “International journal of research - granthaalayah” The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.