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September 2002 in “The Journal of Comparative Neurology” Glycine likely affects dendrites connected to hair follicle terminals in rats.
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November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
March 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
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August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
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March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
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.
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September 2012 in “Journal of Cosmetic Dermatology” Hair capacitance mapping effectively measures hair surface moisture changes.
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January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
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December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
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January 2006 in “Indian Journal of Dermatology, Venereology and Leprology” Synthetic hairs are not recommended for use.
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December 2024 in “Methods in molecular biology” Hair proteins are complex and provide valuable genetic and biological information.
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May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
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January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
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October 2015 in “OakTrust (Texas A&M University Libraries)” Harp seals have different innervation patterns in their whiskers, with lateral whiskers having more axons than medial ones.
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September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
February 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent spiny hair traits are due to genetic factors other than the Edar gene.
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December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
43 citations
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April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
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May 2010 in “Journal of Dermatological Science” Human skin cells can respond to thyroid-stimulating hormone, affecting hair and skin health.
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April 1993 in “PubMed” Human hair cells can change based on their environment, especially interactions with certain skin cells.
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July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
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April 2006 in “Journal of Investigative Dermatology” TRPV1 helps regulate hair growth cycles.
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
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March 2021 in “Journal of Investigative Dermatology” TRPM5 is crucial for maintaining hair growth.