September 2021 in “Mağallaẗ al-Muẖtar li-l-ʿulūm” Two sisters have rare hair disorders causing short, fragile, kinky hair.
31 citations
,
February 2007 in “Journal of Structural Biology” Oxidation changes the structure of hair protein filaments, causing them to compact and rearrange.
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.
144 citations
,
May 1990 in “Journal of the American Academy of Dermatology”
December 2024 in “Australian Journal of General Practice” The woman's hair loss pattern doesn't match typical conditions like alopecia areata or female pattern hair loss.
29 citations
,
February 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Loss of Fz6 disrupts hair follicle and associated structures' orientation.
37 citations
,
August 2009 in “Journal of the American Academy of Child & Adolescent Psychiatry” Trichotillomania is a chronic hair-pulling disorder that starts in early teens and causes distress and hair loss.
63 citations
,
April 2005 in “Mechanisms of development” Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.
7 citations
,
June 1967 in “Journal of Investigative Dermatology” Plucking hairs in a certain way can result in intact hair roots, not related to baldness.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
1 citations
,
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.
May 2026 in “International Journal of Cosmetic Science” A plant-based treatment from Avena strigosa seeds effectively repairs and strengthens damaged hair.
March 2021 in “Revista da Associação Médica Brasileira” Linalool in personal care products may worsen frontal fibrosing alopecia by damaging hair follicle stem cells and triggering harmful immune responses.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
August 2015 in “Dermatología Argentina” Frontal fibrosing alopecia causes hairline recession and eyebrow loss in postmenopausal women.
Iron supplements may reverse premature graying in iron-deficient individuals; ingrown nails are common in diabetics with certain risk factors; topical finasteride may reduce scalp DHT as effectively as oral finasteride; monilethrix treatment is challenging but some medications can help.
4 citations
,
August 2023 in “Nature Communications” Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
13 citations
,
August 1982 in “Archives of dermatology” A new side effect of aromatic retinoid treatment is soft nails.
March 2023 in “International Journal of Dermatology” COVID-19 can cause hair to become progressively kinked.
9 citations
,
May 2005 in “Annales de dermatologie et de vénéréologie” Oral zinc and topical steroids can effectively treat chronic scalp pustules and hair loss in elderly patients.
84 citations
,
October 2005 in “Annals of Clinical Psychiatry” Hairpulling, skin picking, and nail biting cause significant harm and need more research for better treatments.
27 citations
,
February 2006 in “International Journal of Dermatology” Some children and young adults with eyebrow and eyelash hair loss actually have a hair-pulling disorder, often with related psychological issues.
1 citations
,
July 2020 in “Benha Journal of Applied Sciences” Trichoscopy is useful for diagnosing Frontal Fibrosing Alopecia.
175 citations
,
December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
6 citations
,
January 2016 in “Journal of Biomedical Photonics & Engineering” Clipping hair is gentler on the skin and reduces bacteria better than shaving with a razor.
1 citations
,
January 2018 in “Jornal Brasileiro de Patologia e Medicina Laboratorial” Monilethrix causes brittle hair and hair loss, and it runs in families.
January 2026 in “Forum Dermatologicum” Thorough hair examination is crucial for accurate diagnosis and treatment.
January 2017 in “프로그램북(구 초록집)” Iron deficiency anemia can cause hair breakage.
43 citations
,
July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.