39 citations
,
July 2015 in “British Journal of Dermatology” The pseudo 'fringe sign' can also appear in frontal fibrosing alopecia, not just in traction alopecia, showing that this condition may be more common than thought.
4 citations
,
October 2008 in “International Journal of Dermatology” A toddler's chronic finger ulcer was successfully treated after removing a hair causing hair-thread tourniquet syndrome.
13 citations
,
June 2012 in “Journal of Dermatological Case Reports” An 8-year-old boy with hair-pulling disorder had a bald patch that was confirmed not to be a fungal infection and was treated with therapy.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
April 2017 in “Journal of Investigative Dermatology” Removing the Crif1 gene in mouse skin disrupts skin balance and hair growth.
September 2021 in “CRC Press eBooks” Traumatic alopecia causes hair loss from pulling or rubbing, leading to broken hairs and changes in the scalp.
5 citations
,
March 1943 in “Archives of Dermatology and Syphilology” A rare case of severe scalp hair loss and nail issues in keratosis follicularis was observed.
4 citations
,
May 2020 in “The journal of pediatrics/The Journal of pediatrics” A boy with monilethrix has brittle hair that breaks easily due to a genetic condition, which might improve by puberty.
33 citations
,
June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.
1 citations
,
December 2017 in “Anais Brasileiros de Dermatologia” Frontal fibrosing alopecia can mimic traction alopecia but has distinct features like facial papules and eyebrow thinning.
A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
April 2018 in “Journal of Investigative Dermatology” The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
1 citations
,
July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
19 citations
,
October 1985 in “British Journal of Dermatology” The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
November 2018 in “Skin appendage disorders” The document concludes that a woman has both Frontal Fibrosing Alopecia and Lichen Simplex Chronicus, a previously unreported combination of conditions.
January 2005 in “Journal of Zhejiang University(Sciences Edition)” Yuyi hairless mice lose hair after birth, develop thick, loose skin with folds, and show disorganized skin structure as they age.
January 2023 in “Clinical and Experimental Dermatology” Oral minoxidil may help improve fragile hair.
1 citations
,
May 1983 in “Acta dermato-venereologica” The hairpiece matted due to weathered hair after shampooing.
February 2010 in “Journal of The American Academy of Dermatology” A woman's nail separation was likely caused by poor blood flow, and a treatment for similar conditions might help.
May 2015 in “Journal of Investigative Dermatology” Melanoma risk tools need improvement, a gene mutation causes a hair disorder that might be treated by managing cell stress, a potential therapy for a skin-ear disorder involves blocking cell channels, skin wrinkling may indicate lung aging regardless of smoking, and oxidative stress might contribute to common baldness.
2 citations
,
July 2020 in “Giornale italiano di dermatologia e venereologia” A woman with frontal fibrosing alopecia experienced unusual hair growth after using a specific topical lotion.
34 citations
,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
52 citations
,
February 2012 in “PloS one” Lack of Ctip2 in skin cells delays wound healing and disrupts hair follicle stem cell markers in mice.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
February 2025 in “Pediatric Dermatology” January 2022 in “Consultant”
January 2024 in “Journal of cutaneous and aesthetic surgery” Scalp injuries and harsh hair care can cause severe hair matting in children.
1 citations
,
October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.