April 2019 in “Progress in Crystal Growth and Characterization of Materials” Hair grows like a crystal at a solid-liquid interface without cell division.
December 1978 in “Indian Journal of Otolaryngology and Head & Neck Surgery” 40 citations
,
February 1946 in “Canadian Journal of Research/Canadian journal of research” Hereditary factors cause hair loss in mice by affecting skin and hair follicle structure.
June 1996 in “Journal of Dermatological Science” January 1991 in “Acta Dermato Venereologica” A new method effectively visualizes keratin in hair without harsh chemicals.
40 citations
,
May 2012 in “British Journal of Dermatology” Recognizing specific features of African-American hair can help diagnose hair loss conditions.
March 1990 in “Journal of Dermatological Science”
August 2012 in “Nature Cell Biology” Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
November 2024 in “Comparative Biochemistry and Physiology Part D Genomics and Proteomics” Exosomes help hair follicle development in cashmere goats.
35 citations
,
January 2000 in “Journal of comparative neurology” Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
June 2023 in “Experimental dermatology” Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.
98 citations
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April 2003 in “Die Naturwissenschaften” 46 citations
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May 2006 in “Laser Physics” Particles similar in size to hair cells penetrate hair follicles better.
February 2023 in “Laboratory Animal Research” Cudrania tricuspidata and Sargassum fusiforme extracts improved hair growth in mice by affecting growth-related genes.
3 citations
,
July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
13 citations
,
April 2018 in “Scientific Reports” The genes KRT25 and SP6 affect curly hair in horses, with KRT25 also causing hair loss. If both genes are mutated, the horse gets curly hair and hair loss. KRT25 can hide the effect of SP6.
15 citations
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August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
April 2023 in “CRC Press eBooks” Hair care products mainly work on the hair's surface and need professional guidance for use.
30 citations
,
April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
8 citations
,
October 2011 in “Anthropologischer Anzeiger” Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.
Thicker hair resists fungal damage better, and hair color doesn't affect susceptibility.
25 citations
,
August 1991 in “Journal of Investigative Dermatology”
April 2026 in “Frontiers in Cell and Developmental Biology” Hair follicles in mice help detect and respond to germs.
1 citations
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November 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Male and female human hairs have different microscopic structures that can help in forensic analysis.
117 citations
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August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
22 citations
,
May 2021 in “Nature Communications” Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.
10 citations
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July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.
18 citations
,
November 2005 in “European Journal of Cell Biology” Keratin gene clusters in humans and marsupials are similarly organized.