Curly hair may be caused by a muscle contraction, and muscle relaxants might help treat it.
2 citations
,
March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.
4 citations
,
November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
10 citations
,
January 2002 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
49 citations
,
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.
February 2026 in “Small Ruminant Research” The IRF2BP2 gene affects sheep fleece quality by influencing fiber traits.
1 citations
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June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
1 citations
,
April 2022 in “International Journal of Women's Dermatology” Classifying curl patterns might help doctors assess and treat hair loss better.
63 citations
,
December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
The method effectively measures hair elasticity and could be useful in forensics.
September 2021 in “Mağallaẗ al-Muẖtar li-l-ʿulūm” Two sisters have rare hair disorders causing short, fragile, kinky hair.
January 2013 in “Shanghai Textile Science & Technology” Milk protein treatment reduces pilling in rabbit hair fabric.
December 2025 in “Frontiers in Medicine” ARWH is a rare hair disorder with no cure, but potential treatments include minoxidil and other therapies.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” LIPH mutations cause woolly hair in some Chinese people.
Otter rabbit, mink, and blue fox fur can be identified by their unique hair structures.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
33 citations
,
September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
9 citations
,
May 2021 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Topical minoxidil may help treat a rare genetic hair condition with no fully effective treatments yet.
22 citations
,
May 2021 in “Nature Communications” Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.
45 citations
,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
21 citations
,
December 1994 in “British Journal of Dermatology” Sheep dermal papillae can help form hair follicles in skin models.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
1 citations
,
June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
November 2019 in “Journal of Vertebrate Biology” QIA-64 software can measure straight wire lengths accurately but needs improvement for curved wires and width measurements.
90 citations
,
October 1998 in “Animal Reproduction Science” Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.
46 citations
,
January 2009 in “Textile Research Journal” Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
34 citations
,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.