81 citations
,
June 2012 in “European journal of human genetics” Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
19 citations
,
March 1988 in “International Journal of Dermatology” Hair shaft dysplasias are abnormal hair conditions that can be inherited or acquired and may signal other health issues, with limited treatment options available.
31 citations
,
April 2004 in “Journal of Investigative Dermatology” A new mouse gene, Keratin 17n, is mainly found in nail tissue and may explain why mice without Keratin 17 don't have nail issues.
15 citations
,
August 2015 in “Scanning” Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
4 citations
,
July 2013 in “Journal of dermatology” Malnutrition can cause unusual eyelash growth and hair loss.
2 citations
,
September 2022 in “Dermatologic therapy” Microneedling helps reduce hair-pulling and promotes hair regrowth in trichotillomania patients.
12 citations
,
March 1981 in “International Journal of Dermatology” External factors like certain shampoos, bacterial infections, and parasites might cause hair defects similar to genetic conditions.
3 citations
,
November 2022 in “Frontiers in Medicine” Onychopapilloma likely originates from the nail bed, not the nail matrix.
15 citations
,
December 1972 in “Journal of Investigative Dermatology” 30 citations
,
January 1999 in “Journal of Cutaneous Pathology” Spiny keratoderma may be ectopic hair formation on palms and soles.
2 citations
,
January 2018 in “Springer eBooks” The document explains what healthy skin, nails, and hair look like on an ultrasound.
54 citations
,
October 2019 in “Australian Journal of General Practice” Accurate diagnosis and treatment are crucial for managing superficial fungal infections, with terbinafine being the best oral treatment for nail infections.
5 citations
,
January 2012 in “Journal of nutrition & food sciences” The supplement improved hair, skin, and nails appearance and had long-term benefits.
October 2019 in “UNESP Institutional Repository (São Paulo State University)” Minoxidil is more effective than biotin for increasing nail growth rate.
2 citations
,
July 2018 in “Our Dermatology Online” Calcipotriol cream reduced skin thickening and itching in a rare nipple condition.
3 citations
,
July 2019 in “Fibers And Polymers/Fibers and polymers”
3 citations
,
January 2020 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Cryotherapy is effective for ingrown toenails, especially in single cases, but has high recurrence in younger and bilateral cases.
5 citations
,
May 2021 in “BMC surgery” A man's unusual scalp folds caused by a skin condition were treated with surgery and remained unchanged two years later.
2 citations
,
May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
24 citations
,
March 2009 in “Journal of the European Academy of Dermatology and Venereology” Scalp pain is a common symptom in people with active hair loss from telogen effluvium.
84 citations
,
October 2005 in “Annals of Clinical Psychiatry” Hairpulling, skin picking, and nail biting cause significant harm and need more research for better treatments.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
COVID-19 can cause hair loss and nail issues, with treatments available for these conditions.
4 citations
,
July 2014 in “International Journal of Dermatology” Twins had rare skin cysts likely due to genetics.
7 citations
,
February 2019 in “Veterinary medicine and science” An American Bully with a genetic skin condition improved significantly with specific topical treatments.
6 citations
,
October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
December 2025 in “Portuguese Journal of Dermatology and Venereology” Erosive palmoplantar lichen planus in North-East India mainly affects the feet and often involves nails, with unique inflammatory skin changes.
3 citations
,
January 2022 in “Medical Mycology Journal” Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.