March 2023 in “International Journal of Dermatology” COVID-19 can cause hair to become progressively kinked.
35 citations
,
January 2008 in “American Journal of Clinical Dermatology” KFSD can be linked to acne keloidalis nuchae and tufted hair folliculitis.
January 2023 in “Voennaâ medicina” Hair loss in women can improve with iron and vitamin supplements if caused by iron deficiency.
2 citations
,
May 2018 in “Australasian Journal of Dermatology” Some patients' hair grew back black and white after chemotherapy.
4 citations
,
January 2000 Piedraia hortae fungi dissolve both the outer and inner layers of hair.
44 citations
,
September 2011 in “Journal of Pediatric Gastroenterology and Nutrition” NISCH syndrome is a rare genetic disorder affecting skin and liver, with variable symptoms and limited treatment options.
7 citations
,
November 2022 in “International Journal of Molecular Sciences” As Japanese males age, their hair darkens due to increased melanin, with males generally having darker hair than females.
7 citations
,
January 2020 in “Dermatology online journal” An adult with a rare skin condition improved with tazarotene treatment.
April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
5 citations
,
January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
July 2026 in “Journal of the American Academy of Dermatology” Acanthosis Nigricans is the most common skin sign of insulin resistance.
4 citations
,
January 2014 in “Indian dermatology online journal” Monilethrix is a genetic hair disorder causing fragile, beaded hair with no effective treatment.
7 citations
,
May 2012 in “Journal of veterinary diagnostic investigation” Some young Angus cattle had skin problems due to not enough vitamin A, which got better after they were given more vitamin A.
1 citations
,
March 2006 in “Journal of Cosmetic Dermatology” The woman's forehead lesion was caused by ointment use and resolved with treatment.
January 2019 in “Proceedings for Annual Meeting of The Japanese Pharmacological Society” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
6 citations
,
June 2017 in “Aesthetic Surgery Journal” Microneedling can cause skin infections if not used safely.
2 citations
,
August 1994 in “Archives of dermatology” A 19-month-old boy with a rare hair disorder showed mild improvement with treatment, but his family chose gentle hair care due to limited success.
10 citations
,
August 2012 in “Current Problems in Pediatric and Adolescent Health Care” Hair changes can indicate systemic diseases or medication effects.
4 citations
,
October 2022 in “Frontiers in public health” Cadmium chloride pollution can cause skin disorders, speed up aging, and prevent hair growth.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
12 citations
,
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.
January 2010 in “Chinese Journal of Aesthetic Medicine” Melasma skin has more melanin and signs of aging, with strong CK10 expression linked to cell differentiation and aging.
82 citations
,
November 1985 in “Archives of Dermatology” The newborn's skin condition improved over time, leaving only lighter skin patches.
7 citations
,
May 2014 in “Clinical practice” Cooling the scalp may prevent hair loss from chemotherapy, hair often grows back after treatment, and nail issues usually improve after stopping the drug.
12 citations
,
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.
9 citations
,
February 1984 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin is essential for healthy skin and claws in pigs.
19 citations
,
July 2004 in “Australasian Journal of Dermatology” Her hair grew back normally after she stopped rubbing it.
63 citations
,
April 2005 in “Mechanisms of development” Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.
August 2025 in “Libyan Medical Journal” People with vitiligo or alopecia areata have higher anxiety and depression than healthy people.