2 citations
,
October 2021 in “Journal of skin and stem cell” Nail disorders are often related to jobs like housework and manual labor, with cosmetic issues being the main concern, and are commonly caused by skin diseases like psoriasis.
58 citations
,
November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
16 citations
,
June 2015 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.
16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
September 2023 in “Cureus” Nails can reveal important health information about skin and body conditions.
1 citations
,
January 2009 in “The Open Dermatology Journal” Chemotherapy caused nail grooves and separation, but they healed after treatment stopped.
8 citations
,
September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.
3 citations
,
January 2018 in “Skin Appendage Disorders” Nail issues are common in alopecia areata patients.
13 citations
,
January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
April 2017 in “Journal of Investigative Dermatology” Removing the Crif1 gene in mouse skin disrupts skin balance and hair growth.
1 citations
,
March 2006 in “Journal of Cosmetic Dermatology” The woman's forehead lesion was caused by ointment use and resolved with treatment.
February 2026 in “JEADV Clinical Practice” Nail pitting in kids can be harmless or indicate other health issues, so thorough evaluation is crucial.
Cornification is the process where living skin cells die to create a protective barrier, and problems with it can cause skin diseases.
January 2015 in “Springer eBooks” Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.
3 citations
,
September 2005 in “Experimental dermatology” The cornified envelope is crucial for skin's barrier function and involves key proteins and genetic factors.
May 2020 in “JOJ Dermatology & Cosmetics” A rare skin condition usually on the face was found on a man's heel.
January 2015 in “Turkiye Klinikleri Journal of Dermatology” Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.
4 citations
,
January 2010 in “Journal of Veterinary Medical Science” The analyses helped identify different skin diseases in the two dogs.
33 citations
,
March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
6 citations
,
January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
October 2025 in “Indian Dermatology Online Journal” Kitchen analogies help make skin conditions easier to understand and remember.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
4 citations
,
April 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Krt16-deficient mice help understand skin disorders like PC and FNEPPK.
December 2024 in “Journal of General-Procedural Dermatology & Venereology Indonesia” Coix seed extract helped resolve onycholysis in an elderly woman.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
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.
31 citations
,
August 2005 in “The American Journal of Dermatopathology” The study concluded that PKP1 is essential for skin integrity and hair growth, and its dysfunction causes the symptoms of ectodermal dysplasia/skin fragility syndrome.
8 citations
,
January 2008 in “Pediatric dermatology” Hair gels may cause split ends in children.
46 citations
,
September 2007 in “Journal of Investigative Dermatology”