Hair movement can indicate hair quality and health.
40 citations
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March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
21 citations
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December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
2 citations
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December 2022 in “Scientific Data” The study maps how genes are regulated during mouse hair growth.
21 citations
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September 2005 in “The anatomical record. Part A, Discoveries in molecular, cellular, and evolutionary biology/Anatomical record. Part A, Discoveries in molecular, cellular, and evolutionary biology” Caspase-14 is important for skin and hair development in all mammals.
26 citations
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August 2014 in “Veterinary Dermatology” Sphynx cats have abnormal hair follicles and keratinization affecting their skin.
40 citations
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May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
1 citations
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May 2024 in “Preprints.org” Rex rabbit fur is best harvested at 120 days for optimal hair density and quality.
2 citations
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March 2022 in “Research Square (Research Square)” Seasonal changes affect gene activity linked to hair growth in Angora goats, influencing mohair quality.
January 2025 in “Open University of Cape Town (University of Cape Town)” Lipids play a key role in determining hair curvature.
87 citations
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February 2000 in “Journal of Investigative Dermatology” Stem cells in developing hair follicles move to specific areas as they mature.
1 citations
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July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
57 citations
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August 1999 in “Archives of dermatology” Hair follicles grow hair and release it through the skin.
24 citations
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April 2020 in “Cells” DNA methylation and long non-coding RNAs are key in controlling hair growth in Cashmere goats.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
4 citations
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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.
93 citations
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July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
12 citations
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November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
2 citations
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July 2023 in “Animals” FGF10 and non-coding RNAs are important for cashmere goat hair follicle development.
6 citations
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April 1971 in “Journal of Wildlife Diseases” Switching flying squirrels' diet from seeds to mouse chow restored their hair.
April 2018 in “Journal of Investigative Dermatology” Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.
July 2025 in “The Journal of Physiology” C-tactile afferents are linked to emotional touch and social bonding through hair movement.
18 citations
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April 2010 in “Langmuir” Human hair surface varies in wettability, showing daily and monthly patterns.
24 citations
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June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
January 2000 in “Acta Academiae Medicine Militaris Tertiae” Different keratins in hair follicles can help identify hair tumor origins.
1 citations
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June 2019 in “IEEJ Transactions on Sensors and Micromachines” A new device mimics hair follicle functions and detects tiny forces with high sensitivity.
18 citations
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August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
28 citations
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December 1997 in “Journal of Biological Chemistry” A genetic mutation in the hHa1 gene creates a smaller, but still functional, hair protein without causing hair problems.
7 citations
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December 1991 in “Annals of the New York Academy of Sciences” Dermal papillae are crucial for hair growth and maintenance.