December 2021 in “2021 International Conference on Electronic Information Technology and Smart Agriculture (ICEITSA)” Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
12 citations
,
February 2010 in “Journal of The American Academy of Dermatology” A cancer drug caused unusual hair growth on a 100-year-old man's scalp and eyelashes.
2 citations
,
November 2011 in “Pediatric dermatology”
December 2022 in “American journal of medical genetics. Part A” A person got uncombable hair syndrome from two copies of chromosome 1 from their mother.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
April 2024 in “Diagnostics” Most orthodontic patients with missing teeth also have hair disorders.
24 citations
,
September 1997 in “PubMed” Loose anagen hair can appear at any age and may improve over time.
Loose anagen syndrome causes easy hair shedding in children, often resolving on its own.
September 2024 in “Pediatrics in Review” A trichobezoar caused the girl's recurrent intussusception, and surgery plus psychiatric therapy resolved her symptoms.
1 citations
,
March 2015 in “Journal of Visualized Experiments” Researchers developed a new, precise method to measure hair loss in mice using image analysis.
4 citations
,
January 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Panitumumab can cause excessive ear hair growth.
15 citations
,
January 2012 in “International Journal of Trichology” Hair casts on the scalp may be a sign of ongoing pemphigus vulgaris and could suggest a need to adjust treatment.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
2 citations
,
December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
3 citations
,
February 2004 in “Anais Brasileiros De Dermatologia” There's a red birthmark on the scalp.
Lichen spinulosus, usually seen in young people, can rarely occur in adults, as shown by a 52-year-old woman with a rough, bumpy rash.
December 2020 in “Dermatology practical & conceptual” Trichoscopy helped diagnose a teenage girl's hair loss as monilethrix.
4 citations
,
January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
29 citations
,
August 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes cause the rare hair disorder monilethrix.
69 citations
,
May 2002 in “Journal of Investigative Dermatology” Congenital atrichia with papular lesions is often misdiagnosed, and new diagnostic criteria can improve accuracy.
March 2021 in “Research Society and Development” A blue Staffordshire Bull Terrier had hair loss due to color dilution alopecia, confirmed by tests, but no treatment was pursued.
34 citations
,
January 2016 in “Analytical Chemistry” A new method can quickly and accurately detect drugs in hair.
10 citations
,
January 1989 in “Archives of Dermatological Research” The method effectively analyzes human hair proteins, especially nonfilamentous ones.
74 citations
,
March 2006 in “Journal of Chromatography B” Hair analysis is promising for detecting drug misuse in livestock.
December 2023 in “Portuguese journal of dermatology and venereology” Trichoscopy can reliably distinguish between alopecia areata and trichotillomania.
5 citations
,
May 2009 in “American Journal of Dermatopathology” A rare hair follicle tumor showed unusual high levels of mucin.
July 2018 in “IP Indian Journal of Clinical and Experimental Dermatology” Chemotherapy often causes hair loss, so patients should be counseled to reduce anxiety.
3 citations
,
January 2011 in “Intestinal Research” Cronkhite-Canada syndrome can cause multiple gastrointestinal polyps and various physical symptoms.