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.
405 citations
,
January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
12 citations
,
October 2014 in “Journal of Applied Animal Research” Bakerwali goat skin thickens with age, especially on the neck, and shows strong lipid reactions in the keratin layer.
New methods to classify curly hair types were developed based on shape and strength.
26 citations
,
January 2011 in “Open Journal of Genetics” The KAP13-3 gene in sheep affects wool quality by influencing keratin assembly.
Sheep can lose wool quickly due to stress, but it doesn't cause itching or pain.
5 citations
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March 2017 in “Gene” CAP1 decreases the expression of a hair-related protein in young Tan sheep's skin.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
3 citations
,
April 2018 in “Journal of Investigative Dermatology” CCCA may be a fibroproliferative disorder, and anti-fibrotic therapies could help.
November 2024 in “International Journal of Cosmetic Science” Hair absorbs moisture differently based on its structure and treatment, with changes occurring at 30% humidity.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
September 2025 in “Cosmetics” Lipid content and structure affect water absorption in different hair types.
December 2023 in “JEADV Clinical Practice” Brownish halos around axillary hair can help diagnose frontal fibrosing alopecia.
May 2023 in “Archives of dermatological research” Some factors like thyroid disease, diabetes treatment, hair dryers, natural hairstyles, and scalp conditions can affect the treatment results for a hair loss condition called CCCA.
January 2025 in “Dermatologic Therapy” Alopecia areata patients don't have increased atherosclerosis risk, but may have higher cardiovascular risk due to smoking, blood sugar, and blood pressure.
Various substances, quitting smoking, and certain topical applications can enhance the survival of skin flaps used in surgery. Oxygen-free radicals play a role in tissue injury, but certain treatments can have beneficial effects.
Malnourished people have weaker hair that is easier to pluck.
2 citations
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July 2011 in “AFRICAN JOURNAL OF BIOTECHNOLOGY” Seven genetic variations in sheep's DSG4 gene are linked and affect wool traits.
4 citations
,
January 1992 in “The Tohoku Journal of Experimental Medicine” Zinc made mice's coarse hair turn into fine hair without affecting skin structure.
1 citations
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January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
Higher methionine levels in pregnant rabbits' diets improve hair follicle development and hair fiber diameter in their babies.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Targeting cholesterol, fatty acids, fibrosis, and mast cells may help treat CCCA.
1 citations
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December 2020 in “Journal of Cosmetic Dermatology” The cosmetic product effectively reduced hair growth and thickness on forearms.
April 2024 in “UNESP Institutional Repository (São Paulo State University)” Alpaca skin has glands, hair follicles, and different collagen types.
November 1993 in “Hair transplant forum international” Measuring hair density is crucial for diagnosing and treating hair loss.
22 citations
,
November 2014 in “Proteins Structure Function and Bioinformatics” Cysteines in wool fibers are accessible and form important disulfide bonds.
1 citations
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May 2013 in “PubMed” Glycylglycine makes hair softer by improving alignment and changing hair's internal properties.
1 citations
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March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
7 citations
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September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.