9 citations
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August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
2 citations
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January 1987 in “PubMed” Woolly hair syndrome is a genetic condition causing frizzy, fragile hair.
5 citations
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April 2016 in “Proceedings of the Latvian Academy of Sciences. Section B, Natural, Exact and Applied Sciences” Researchers created small amber particles for use in bioactive and biocompatible fibers that could help with skin and hair restoration and are safe for infant clothing.
8 citations
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July 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Curly hair is mechanically different from straight hair and may need new testing methods.
1 citations
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January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
Key genes for mink fur have been identified, aiding conservation efforts.
1 citations
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January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
12 citations
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January 1994 in “PubMed” Elastic fiber arrangement in mammal skin varies by hair density and body region.
24 citations
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June 2020 in “Industrial Crops and Products” Activated carbon fibers from Metaplexis japonica seed hair are highly effective for removing the dye methylene blue from water.
April 2025 in “Indian Journal of Pharmaceutical Education and Research” Nanofibers improve skincare products by enhancing drug delivery and hydration.
56 citations
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January 1977 October 2019 in “Research Square (Research Square)” Certain circular RNAs may regulate wool follicle growth in sheep.
January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
January 2011 in “Leather Science and Engineering” Processing changes Sichuan rabbit skin structure by altering collagen fiber arrangement and porosity.
January 1980 in “中国科学A辑(英文版)” The protein structures in the hair and tendon were preserved, but their molecular arrangements changed.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
29 citations
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July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
42 citations
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January 2017 in “Genes” The gene KAP22-1 affects wool yield and fiber shape in sheep.
January 2024 in “Journal of camel practice and research/Journal of Camel Practice and Research” Certain genetic variations in camels affect hair coarseness.
Different treatments change the strength and flexibility of human hair.
January 2018 in “Indian Dermatology Online Journal” Trichoscopy can help tell the difference between artificial hair fibers and other scalp artifacts.
To prevent wool loss in sheep, provide balanced nutrition and reduce stress.
4 citations
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July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
30 citations
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January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
70 citations
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December 1968 in “Journal of Investigative Dermatology”
12 citations
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February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
15 citations
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December 2015 in “Textile Research Journal” Adding amber particles to polyamide fibers makes them suitable for medical textiles like compression socks.
October 2025 in “Coloration Technology” Delipidised wool is brighter, dyes better, and is more eco-friendly.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.
3 citations
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December 2018 in “Routledge eBooks” Hair is made of strong keratin fibers that protect against the environment.