April 2019 in “Progress in Crystal Growth and Characterization of Materials” Hair grows like a crystal at a solid-liquid interface without cell division.
97 citations
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March 2010 in “The American Journal of Human Genetics” A mutation in the KRT74 gene causes tightly curled hair.
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.
7 citations
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December 2015 in “PloS one” Cryopreserved mouse whisker follicles can grow hair when transplanted into nude mice.
12 citations
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October 1996 in “Dermatologic clinics” Advances in genetics may lead to targeted treatments for hair disorders.
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
A six-year-old girl with extra hair on her elbows was treated with hair removal methods.
139 citations
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July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
2 citations
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
1 citations
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March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
5 citations
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September 2012 in “Journal of Investigative Dermatology” Scientists can mimic hair disorders by altering genes in lab-grown human hair follicles, but these follicles lack some features of natural ones.
13 citations
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December 2010 in “Archives of Dermatology” Minoxidil use can cause trichostasis spinulosa in long-term hair loss patients.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.
68 citations
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August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
87 citations
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August 1974 in “Journal of Investigative Dermatology” 2 citations
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December 2024 in “JAAD reviews.” Modifying grooming techniques and using treatments like chemical depilatories or laser hair removal can help manage Pseudofolliculitis barbae.
2 citations
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February 2021 in “FEBS open bio” Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.
2 citations
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August 1993 in “Archives of Dermatology” A 39-year-old woman developed uncombable hair syndrome after taking oral contraceptives.
December 2013 in “대한피부미용학회지” Wheat sprout extract (fr. 5) promotes hair growth similar to minoxidil.
5 citations
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September 2017 in “Colloids and surfaces. B, Biointerfaces” Tying a knot can measure hair friction, useful for medical applications.
1 citations
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December 1965 in “PubMed” 4 citations
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January 2018 in “Indian dermatology online journal” Trichoscopy helped diagnose and cure a child's hair loss caused by a fungal infection.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
3 citations
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July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
January 2021 in “대한미용학회지” Boswellia may improve skin inflammation symptoms and positively influence hair growth in mice.
42 citations
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February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
January 2008 in “Medical Entomology and Zoology”