235 citations
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July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
2 citations
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February 2025 in “International Journal of Molecular Sciences” Key proteins and pathways regulate yak hair growth, with lipid metabolism aiding adaptation to high altitudes.
119 citations
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November 2016 in “American journal of human genetics” Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.
3 citations
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May 1991 in “Journal of Investigative Dermatology”
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
46 citations
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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.
June 1967 in “Journal of Cellular Physiology” The 3D hair follicle model improves understanding of hair growth and drug testing.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
3 citations
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May 2006 in “Dermatologic Surgery” Most men's multi-hair follicles naturally stand perpendicular to a line from the top of their head, which is important for natural-looking hair transplants.
2 citations
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December 2024 in “BMC Genomics” Key genes and pathways control sheep hair growth phases.
1 citations
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January 2019 in “PubMed” cgVEGF164 boosts hair follicle growth in mice.
27 citations
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May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
August 2013 in “International Wound Journal” Non-hairy skin cells might be used to regenerate hair, helping with baldness and skin wounds.
May 2026 in “Journal of Investigative Dermatology” 1 citations
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March 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Trichoscopy helps tell apart hair loss due to alopecia areata from trichotillomania in eyebrows.
23 citations
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December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
9 citations
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January 2004 in “Journal of dermatological treatment” Rifampicin effectively treated tufted hair folliculitis with no relapse after one year.
53 citations
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July 2002 in “Journal of Investigative Dermatology” The Dfl mutation in mice causes poor sebaceous gland function and complete hair loss.
28 citations
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August 1992 in “Differentiation” A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.
January 2011 in “Maofang ke-ji” Rabbit hair research improved its use in textiles and new applications.
27 citations
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January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
33 citations
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October 1996 in “Journal of Investigative Dermatology”
April 2018 in “Journal of Investigative Dermatology” A new peptide, FOL-005, may help treat excessive hair growth by reducing a hair growth promoter, FGF7.
March 1956 in “Institutional Repositories DataBase (IRDB)” January 2020 in “International journal of agriculture & biology/International journal of agriculture and biology” Wool traits in sheep are controlled by many genes and environmental factors.
Grateloupia elliptica seaweed extract may promote hair growth by activating Wnt/β-catenin signaling and cell proliferation.
111 citations
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April 2000 in “British journal of dermatology/British journal of dermatology, Supplement” Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.
5 citations
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March 1981 in “PubMed” A girl grew extra hair in areas where she had insect bites.
291 citations
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October 2005 in “Proceedings of the National Academy of Sciences of the United States of America” Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.
3 citations
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September 2024 3DEEP reveals early hair follicle stem cell formation and niche establishment before hair bulb development.