September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The Kras mutation changes normal cell signals, leading to disrupted tissue structure and potential cancer.
Otter rabbit, mink, and blue fox fur can be identified by their unique hair structures.
38 citations
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October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
41 citations
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December 2008 in “Pediatric Dermatology” Trichoscopy can diagnose Netherton syndrome without pulling hairs.
March 2022 in “Book Publisher International (a part of SCIENCEDOMAIN International)” Human hair has bipolar electrical charges due to gaps in the hair follicle's electromagnetic fields.
44 citations
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January 2011 in “Journal of biotechnology” Scientists recreated human hair follicles in the lab that can grow hair.
1 citations
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March 2017 in “Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego” Domestic cat hair varies in thickness and length, with guard hairs being longest and thickest, and all hair types mainly contain keratin.
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.
May 2018 in “Journal of Investigative Dermatology” Activating Wnt in skin cells controls the number of hair follicles by directing cell movement and fate.
September 2024 in “Journal of the American Academy of Dermatology” Tight hairstyles under hijabs cause traction alopecia, worsened by prolonged wear.
21 citations
,
December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
Hair thickening procedures can help people with early hair loss when combined with proper scalp and hair care.
May 2023 in “Elsevier eBooks” Wigs and hair prosthetics boost confidence and quality of life for people with hair loss.
21 citations
,
June 2009 in “Mammalian genome” A new mutation in the Hr gene causes hair loss in mice, similar to a human hair disorder.
10 citations
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March 1997 in “Pediatric Dermatology” A rare case of trichothiodystrophy was found with autism, seizures, and mental retardation.
83 citations
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October 1998 in “The American Journal of Human Genetics” A specific gene mutation causes complete hair loss in an Irish Traveller family.
10 citations
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January 2010 in “Veterinary pathology” A new mutation in the hairless gene causes hair loss and skin wrinkling in mice.
15 citations
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January 2018 in “Advances in experimental medicine and biology” Keratin proteins are crucial for hair growth and structure.
26 citations
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October 1999 in “Archives of Dermatology” Curly hair in certain scalp areas can be an early sign of hair loss.
1 citations
,
November 2017 in “Skin appendage disorders” Ingrown hairs are a common feature in scarring alopecias due to follicular damage.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
Dark hair with a red beard likely evolved for camouflage, not attraction.
September 2025 in “Journal of Veterinary and Animal Sciences” Nine hair follicle tumors were found in dogs.
December 2000 in “日本組織細胞化学会総会プログラムおよび抄録集” 117 citations
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August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
1 citations
,
August 1994 in “Journal of Cutaneous Pathology” Hair loss happens due to faster cell growth and fewer cells in affected follicles.
1 citations
,
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.
62 citations
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October 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes can change hair structure and cause monilethrix, with nail issues more common in certain gene mutations.
July 2018 in “Elsevier eBooks” Stopping tight hairstyles can prevent and reduce traction alopecia.