40 citations
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma and improves with gentler hair care.
February 2023 in “Indian journal of private psychiatry/Indian Journal of Private Psychiatry” Valproic acid can rarely cause reversible nail discoloration.
May 2019 in “Australasian Journal of Dermatology” The document discusses hair and nail conditions, updates on treatments for alopecia, and controversies around finasteride use.
January 2025 in “International Journal of Dermatology” Tofacitinib improved hair and nail conditions in a teen with alopecia areata.
January 2007 in “Más dermatología” Gentle hair care and some medications can help manage hair shaft disorders, but no specific treatment exists for congenital issues.
13 citations
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August 1982 in “PubMed” Zinc deficiency causes skin issues and hair loss, treatable with zinc supplements.
March 2025 in “International Journal of Trichology” Vigorous rubbing of herbal powder on the scalp caused hair damage and loss.
12 citations
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January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.
1 citations
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September 2017 in “BMJ” The man has a disease causing skin patches, thickened nerves, and mild muscle weakness.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Scurvy still occurs today and can be diagnosed by symptoms like gum bleeding and a specific rash, confirmed by low vitamin C levels.
12 citations
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October 1996 in “Dermatologic clinics” Advances in genetics may lead to targeted treatments for hair disorders.
2 citations
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January 2018 in “International Journal of Trichology” Two sisters had a rare hair condition without other usual symptoms.
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
February 2005 in “Journal of The American Academy of Dermatology” Not all nail problems are caused by fungus, new allergens are being identified, PCOS has various treatments, and aesthetic procedures like Botox are advancing.
September 2021 in “CRC Press eBooks” Traumatic alopecia causes hair loss from pulling or rubbing, leading to broken hairs and changes in the scalp.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
January 2025 in “International Journal of Trichology” Increased hair growth after a cast is temporary and harmless.
18 citations
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January 2011 in “International journal of trichology” Hair casts, also called pseudonits, are often mistaken for other conditions.
July 2024 in “Journal of Investigative Dermatology” Linalool in fragrances may harm hair follicles and contribute to hair loss.
2 citations
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February 2013 in “Journal of the Saudi Society for Dermatology & Dermatologic Surgery” New hair spray caused a hair shaft disorder.
June 2011 in “European Journal of Pediatric Dermatology” An 11-year-old girl with hair thinning was diagnosed with monilethrix and early androgenetic alopecia.
1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
August 2020 in “International Journal of Research in Dermatology” Clouston's syndrome is a rare disorder affecting nails, hair, teeth, and skin, caused by a gene mutation, and currently has no treatment, only supportive care.
12 citations
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January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
3 citations
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January 2014 in “Indian dermatology online journal” Hair casts can be mistaken for lice, so correct identification is important.
1 citations
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March 2019 in “Hygiene and Sanitation” Heavy metals can damage skin and hair in mice.
Prussian Blue causes hair cuticles to detach, weakening the hair.
August 2025 in “Journal of Investigative Dermatology” Fibronectin is essential for hair follicle regeneration and may help rejuvenate aged skin.
53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.