59 citations
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August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
June 2021 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The skin basement membrane is specialized for different tissue interactions, important for hair growth and attachment.
5 citations
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October 2020 in “Bioengineering & translational medicine” Researchers used a laser to create advanced skin models with hair-like structures.
1 citations
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June 2022 in “Tidsskrift for Den norske legeforening” A young boy's uncombable hair is due to a rare genetic condition that usually improves over time.
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November 2017 in “Cureus” Ear creases might indicate heart disease risk, needing more research.
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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August 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The Aligned membranes improved wound healing and hair growth with a better immune response in mice.
30 citations
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November 2012 in “Proceedings of the Royal Society B Biological Sciences” Hard α-keratins stay stiff in water because the surrounding matrix keeps them dehydrated and strong.
June 2020 in “Journal of Investigative Dermatology” The technique effectively shows how human skin and hair cells form into ball-like structures.
January 2020 in “Journal of oral medicine and oral surgery” Hair grew in a man's mouth due to a rare condition called heterotopia.
61 citations
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February 1997 in “Differentiation” Hair differentiation starts earlier than thought, involving multiple type-II keratins.
Activating certain potassium channels in honey bees can lower antioxidant levels and reduce death rates during heavy mite infestations, potentially aiding their immune response.
101 citations
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July 1985 in “Journal of the American Academy of Dermatology” Biotin improved hair growth and combability in one child with uncombable hair syndrome.
Dark hair with a red beard likely evolved for camouflage, not attraction.
January 2026 in “Dermatology Online Journal” CCCA can appear as patchy hair loss in younger men, not just the usual pattern.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
February 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Trichoscopy is a useful and affordable tool for diagnosing Alopecia areata.
January 2025 in “Nature Communications” Large-scale reconstructions enhance understanding of vibrissal sensory mapping in the brain.
52 citations
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February 1986 in “Journal of Histochemistry & Cytochemistry” Some hair proteins are specific to hair, while others are also found in skin cells.
20 citations
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January 2002 in “Laboratory Animals” Mutations in the hairless gene cause hair loss and skin cysts in rhesus macaques.
November 2025 in “Pediatric Dermatology” The boy's hair fully regrew after treatment for a rare hair loss condition.
June 2025 in “British Journal of Dermatology” A rare skin condition in a boy is likely due to a specific genetic mutation pattern.
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May 2004 in “Journal of Investigative Dermatology” 1 citations
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November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
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April 2016 in “Plastic and reconstructive surgery. Global open” Scalp medical tattooing effectively camouflages bifid parietal whorls.
34 citations
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October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
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October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
1 citations
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January 2014 in “Medical Entomology and Zoology” 14 citations
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May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
1 citations
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April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.