5 citations
,
January 2022 in “Journal of Cosmetic Dermatology” COVID-19 can cause hair loss and nail changes in some patients.
1 citations
,
August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
28 citations
,
July 1980 in “British Journal of Dermatology” The hair disorder was caused by abnormal protein formation, making hair easily damaged.
The nail immune system is similar to hair but different from skin, with fewer immune markers.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
August 2019 in “Journal of the American Academy of Dermatology” Older adults may experience painful finger pitting due to nerve changes in aging skin, and treatments can help reduce symptoms.
Thicker hair resists fungal damage better, and hair color doesn't affect susceptibility.
2 citations
,
February 2021 in “PubMed” Koilonychia in alopecia areata can improve with oral corticosteroids.
March 2025 in “The Open Dermatology Journal” Trichorrhexis nodosa is common hair breakage, often due to styling, and new treatments are being explored.
12 citations
,
July 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Curly hair breaks due to mechanical damage and environmental factors, not chemical makeup, and needs ongoing care to prevent breakage.
September 2023 in “UCrea (University of Cantabria)” Nails are essential for fingertip regeneration.
33 citations
,
January 2007 in “Pediatric dermatology” Hair thinning and loss in a girl with a rare metabolic disorder was linked to her condition.
4 citations
,
August 2013 in “Pediatric dermatology” Hair casts can be treated with physical removal and special shampoos.
January 2021 in “Clinical case studies and reports” A man had nail and hair changes months after severe Covid-19, showing long-term effects.
15 citations
,
October 2016 in “Journal of dermatological treatment” Proper hair care can prevent and stop hair breakage in people with acquired trichorrhexis nodosa.
3 citations
,
April 2015 in “Cleveland Clinic Journal of Medicine” The woman has scurvy and needs more vitamin C.
July 2025 in “ALEXMED ePosters” 34 citations
,
December 2009 in “Journal of the American Academy of Dermatology” Improper use of ceramic flat irons can cause severe hair damage.
8 citations
,
April 2017 in “American Journal of Dermatopathology” Inflammation may cause nail issues in Cronkhite–Canada Syndrome.
33 citations
,
March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
25 citations
,
January 2003 in “Plastic & Reconstructive Surgery” Nail-matrical fibroblasts can make non-nail cells produce hard keratin, useful for nail repair.
1 citations
,
April 2024 in “The Journal of Dermatology” Untreated epidermolysis bullosa acquisita can cause total hair and nail loss.
January 1999 in “대한피부과학회지” Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.
August 2023 in “Journal of the European Academy of Dermatology and Venereology” Onycholemmal horn is a rare nail tumor in elderly women, treated by surgical removal.
10 citations
,
October 2016 in “Experimental Dermatology” Nail stem cells and Wnt signaling are important for fingertip regeneration but not sufficient for regenerating more complex limb structures.
9 citations
,
January 2001 in “Dermatology” Pili anulati may cause hair loss, proper diagnosis and treatment needed.
21 citations
,
December 2014 in “Pediatric Dermatology” Most children with pediatric trachyonychia improve over time, regardless of treatment.
5 citations
,
June 1993 in “Pediatric dermatology” Monilethrix Syndrome causes fragile, beaded hair that breaks easily and needs early diagnosis for better care.