6 citations
,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
26 citations
,
February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
8 citations
,
February 2016 in “The American Journal of Dermatopathology” Hair transplants can make hair follicles larger and hair shafts thicker.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
8 citations
,
March 1990 in “Indian Journal of Dermatology Venereology and Leprology” Cutting matted hair stopped further hair loss caused by homemade shampoo.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
15 citations
,
June 2015 in “PLoS ONE” Thymosin beta-4 promotes hair growth in mice.
March 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
9 citations
,
January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.
14 citations
,
August 2004 in “Veterinary Dermatology” The horse had a rare type of hair loss caused by immune cells attacking hair follicles.
March 2024 in “Clinical Case Reports” Early detection of tinea capitis is possible by spotting specific hair patterns like comma or corkscrew hairs.
17 citations
,
February 1987 in “Journal of the American Academy of Dermatology” The hair cuticle acts as a barrier against fungal infection, which occurs only deep within the hair follicle.
18 citations
,
January 2015 in “Journal of medical genetics” New genes linked to woolly hair have been found, which could help treat it and change hair texture.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
September 2016 in “Journal of dermatological science” TSC2 is crucial for proper hair follicle development and patterning.
41 citations
,
January 2014 in “Annals of Dermatology” Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.
8 citations
,
July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
33 citations
,
September 1987 in “American Journal of Medical Genetics” Uncombable hair is inherited dominantly with complete penetrance.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
1 citations
,
July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
49 citations
,
April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
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.
1 citations
,
August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
13 citations
,
February 2019 in “Zoology” Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
108 citations
,
March 2011 in “Archives of Dermatology” Corkscrew hair may be a new sign for quickly diagnosing scalp fungus in black children.
1 citations
,
January 2020 in “Qucosa (Saxon State and University Library Dresden)” Fine hair on bovine leathers is hard to remove, lowering leather quality and value, but can be managed with specific processing methods.
Hair feels different when touched and rubs together in various ways.
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.