46 citations
,
November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.
264 citations
,
October 1958 in “Archives of Dermatology” A 4-year-old girl has a rare hair condition causing fragile, short hair.
6 citations
,
July 1994 in “Journal of Dermatological Science” Introducing the rat OTC gene normalized hair growth in SPF-ASH mice.
1 citations
,
July 2023 in “Clinical case reports” Tinea capitis should be considered for scalp infections in infants.
September 2024 in “Pediatrics in Review” A trichobezoar caused the girl's recurrent intussusception, and surgery plus psychiatric therapy resolved her symptoms.
7 citations
,
January 2015 in “PubMed” Ultrasound biomicroscopy is useful for viewing hair follicles in alopecia areata.
130 citations
,
December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
2 citations
,
October 1951 in “Journal of gerontology” Patients with hair pigment loss and hair loss may have altered pantothenic acid metabolism.
77 citations
,
April 1968 in “Development” Excess vitamin A can cause hair follicles to change into gland-like structures.
January 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
214 citations
,
March 1993 in “Archives of Dermatology” Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.
May 2024 in “Frontiers in medicine” A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.
Screening for iron levels in patients with hair loss may help find a genetic iron overload condition early.
1 citations
,
April 2016 in “Journal of The American Academy of Dermatology” The study concludes that Loose Anagen Hair Syndrome is a benign condition that usually improves with age but can be hard to diagnose and stressful for the family.
1 citations
,
January 2015 in “Indian Journal of Veterinary Pathology” Two dogs had different types of hair follicle tumors.
March 2003 in “Clinics in Dermatology” 50 citations
,
August 1972 in “Archives of Environmental Health An International Journal” Cadmium sticks to hair differently for each person, and strong acid can mostly remove it.
34 citations
,
November 1998 in “Journal of Investigative Dermatology” A common mutation in the hHb6 gene is linked to monilethrix, but other factors may also play a role.
52 citations
,
October 2012 in “Journal of Dermatological Science” The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.
13 citations
,
February 2002 in “Archives of dermatology” A 32-year-old woman's hair loss was linked to skin nodules and severe headaches.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
1 citations
,
January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
January 2026 in “Skin Appendage Disorders” Hair shedding is common in GLP-1 users, affecting treatment adherence.
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.
22 citations
,
October 1996 in “Dermatologic clinics” Understanding intermediate filaments helps explain hair health and related diseases.
Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
234 citations
,
December 1996 in “Journal of The American Academy of Dermatology” Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.
January 2024 in “Skin Appendage Disorders” Eyelash loss can temporarily occur from chemotherapy for retinoblastoma.
March 2016 in “Journal of the Turkish-German Gynecological Association” The woman likely has a hormonal imbalance causing excessive hair growth.
19 citations
,
April 2014 in “Veterinary Dermatology” Demodicosis should be considered in cats with facial skin issues exposed to inhalant glucocorticoids.