1 citations
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July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
40 citations
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February 1994 in “Journal of Investigative Dermatology” 38 citations
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July 1993 in “Journal of Investigative Dermatology” 49 citations
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June 2004 in “Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences” Human hair becomes weaker and stretches more easily at higher temperatures.
September 2009 in “Journal of the Dermatology Nurses’ Association” Hair loss significantly affects quality of life, wet combing is better than visual inspection for finding head lice, many with oral lichen planus have allergies, and wet wraps with steroids quickly improve itchy skin conditions.
1 citations
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January 2017 in “Journal of Community & Public Health Nursing” Wearing a cap doesn't affect quality of life for Indian men with hair loss, but severe hair loss does lower it. Older men have more severe hair loss, and those who wear caps more often want less treatment.
78 citations
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May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
March 2026 in “Dermatology and Therapy” More severe alopecia areata can lower quality of life.
11 citations
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January 2013 in “Indian Dermatology Online Journal” CCCA is a common, progressive hair loss condition that may not always be linked to hair care practices and requires a biopsy for diagnosis.
3 citations
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January 2021 in “Wear” Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
Hair feels different when touched and rubs together in various ways.
1 citations
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January 2016 in “Acta histochemica” Black sheep have higher levels of Gnαs and Gnα11 proteins, which may affect their coat color.
14 citations
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April 2016 in “PloS one” The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.
7 citations
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January 1959 in “Canadian Journal of Chemistry” Human and horse hair have similar end groups to wool and feathers.
September 2024 in “Journal of the American Academy of Dermatology” Hair loss significantly affects the quality of life for Muslim American women, especially those not wearing hijab.
1 citations
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January 1995 in “Lincoln University Research Archive (Lincoln University)” Wool growth is mainly controlled by external factors and specific proteins, not the follicles themselves.
12 citations
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January 1994 in “PubMed” Elastic fiber arrangement in mammal skin varies by hair density and body region.
12 citations
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March 2012 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” A specific gene mutation in Japanese people can cause varying degrees of hair thinning in adulthood.
76 citations
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February 1993 in “Journal of Biological Chemistry” KAP6 genes are conserved across species and active in hair follicles.
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June 1988 in “Australian Journal of Biological Sciences” Mouse epidermal growth factor injections in sheep affected wool growth and skin, but saline did not.
28 citations
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April 1988 in “Archives of Dermatological Research” 15 citations
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May 2013 in “International Journal of Cosmetic Science” Different ethnic hair types have unique nanoscopic and molecular features despite having the same basic keratin structure.
January 2006 in “Journal of Liaoning University of Petroleum & Chemical Technology”
September 2018 in “Journal of the American Academy of Dermatology” Elderly patients with CCCA were all African American with low vitamin D, but no iron or zinc deficiencies, and no hormonal imbalances compared to younger patients.
5 citations
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November 2022 in “Genetics selection evolution” Low-coverage sequencing is a cost-effective way to find genetic factors affecting rabbit wool traits.
16 citations
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April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
May 2024 in “Frontiers in medicine” A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.
4 citations
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June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
1 citations
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January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
35 citations
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September 1994 in “Journal of Investigative Dermatology”