The nail immune system is similar to hair but different from skin, with fewer immune markers.
July 2009 in “Medical & surgical dermatology” Low-dose acitretin helps nail psoriasis, stem cells may treat scarring alopecia, Chinese men have lower baldness rates, lateral foldplasty is good for ingrown toenails, hair diameter helps diagnose female baldness, childhood trauma linked to alopecia areata, certain hair-weaving leads to scalp conditions in African American women, and new methods for hair research and understanding hair and sweat gland development were introduced.
June 1997 in “Australasian Journal of Dermatology” Researchers found new hair and nail genes, how hair reacts to UV, differences in white and pigmented hair growth, nerve changes in alopecia, treatments for baldness and alopecia, a toenail condition linked to a genetic disorder, and that nail fungus is more common in people with psoriasis.
December 2023 in “Royal Society of Chemistry eBooks” Nails are a useful alternative to hair for analyzing long-term substance exposure.
September 2023 in “UCrea (University of Cantabria)” Nails are essential for fingertip regeneration.
Hair and nails can show hormone changes during puberty in dogs.
Different hair and nail conditions can indicate health issues and have specific treatments; accurate diagnosis is crucial before treatment.
January 1997 in “Elsevier eBooks” Hair and nails are skin parts that develop early and serve protective and functional roles.
January 2026 in “Advances in Dermatology and Allergology” Alopecia areata may be linked to changes in small blood vessels.
December 2021 in “Indian Journal of Dermatology, Venereology and Leprology” Men with androgenetic alopecia, or hair loss, often have abnormal blood flow in their small blood vessels, which might be linked to inflammation and stress.
44 citations
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May 1980 in “Archives of Dermatology” "20-nail dystrophy" can have multiple causes.
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December 1991 in “Journal of Dermatological Science” Human nails contain both skin and hair keratins, each needing different extraction methods.
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January 2017 in “Annals of Dermatology” Oral cyclosporine combined with Pantogar® effectively treats twenty-nail dystrophy.
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January 2020 in “Skin Appendage Disorders” The nail strengthener with Pistacia lentiscus and hyaluronic acid improves brittle nails' appearance and strength.
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January 2019 in “Annals of dermatology/Annals of Dermatology” Hydroxychloroquine effectively treated twenty-nail dystrophy in a patient with alopecia areata.
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June 2023 in “Clinical and Experimental Neuroimmunology” Thymoma may link myasthenia gravis, nail dystrophy, and alopecia areata.
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January 2013 in “International Journal of Physical and Social Sciences” Hair and nails can show long-term changes in lead and calcium levels.
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January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
February 2026 in “Indian Journal of Dermatology” Upadacitinib may effectively treat twenty-nail dystrophy without causing pain.
June 2025 in “British Journal of Dermatology” Consider amyloidosis in patients with specific nail changes and check for systemic issues.
November 2024 in “Journal of Investigative Dermatology” Genetic defects in the Wnt/PCP pathway may cause congenital yellow nail syndrome.
September 2024 in “Meditsinskiy sovet = Medical Council” Biotin effectively treats hair loss, skin, and nail issues without overdose risk.
December 2022 in “Journal of medical sciences and health” Examining nail biopsies is useful for diagnosing nail diseases.
December 2021 in “Australasian Journal of Dermatology” Red stripes on nails and hair loss may occur after COVID-19.
November 2021 in “Egyptian Journal of Medical Microbiology” COVID-19 protective measures led to skin irritation, hair loss, and brittle nails; using skin-friendly products and a healthy diet is recommended.
April 2019 in “International journal of research in dermatology” A child with rough nails also had hair loss and allergies.
July 2018 in “British Journal of Dermatology” Hair regrowth was seen in 83% of children with alopecia, immune system plays a role in the condition, and various treatments showed effectiveness for hair and nail disorders.
April 2016 in “Journal of The American Academy of Dermatology” Dutasteride is more effective than finasteride for hair growth with similar side effects.
114 citations
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January 2007 in “Drug Safety” Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.
65 citations
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January 2013 in “Cochrane library” Some systemic treatments work for nail psoriasis but can have serious side effects.