6 citations
,
June 2024 in “Drug Testing and Analysis” Nails could be used to check long-term drug use, but more research is needed.
2 citations
,
July 2018 in “Our Dermatology Online” Calcipotriol cream reduced skin thickening and itching in a rare nipple condition.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
2 citations
,
January 2004 in “PubMed” Conditioners with PQ-10 soften the flat part of hair cuticles but harden the edges.
November 2009 in “Medical and Surgical Dermatology”
15 citations
,
December 2016 in “Advanced Pharmaceutical Bulletin” The new cream with N-acetyl glucosamine didn't change skin color after 8 weeks.
10 citations
,
July 2001 in “PubMed” A new type of pachyonychia congenita may exist, caused by a different keratin mutation.
September 2016 in “Journal of Dermatological Science” Polarizing light microscopy can easily and reliably diagnose congenital keratinizing disorders like Netherton syndrome.
8 citations
,
August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
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.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
25 citations
,
October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
2 citations
,
January 2025 in “Dermatology Practical & Conceptual” Nailfold dermoscopy is a simple, cheap way to check blood vessel changes in COVID-19 patients.
22 citations
,
January 2006 in “Journal of Structural Biology” Hair follicles form hard α-keratin filaments in four steps, showing structural differences.
January 2024 in “International Journal of Advanced Research” Topical 6% salicylic acid effectively reduced skin plaques in a patient with wooly hair and palmoplantar keratoderma.
December 2024 in “Journal of General-Procedural Dermatology & Venereology Indonesia” Coix seed extract helped resolve onycholysis in an elderly woman.
1 citations
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March 2006 in “Journal of Cosmetic Dermatology” The woman's forehead lesion was caused by ointment use and resolved with treatment.
January 1939 in “Münchener medizinische Wochenschrift” 49 citations
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September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
June 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.
4 citations
,
November 2012 in “Dermatitis” A man got severe skin irritation after using marking nut sap for hair loss.
2 citations
,
August 2013 in “British Journal of Dermatology” Chemotherapy improved a girl's painful foot condition linked to pachyonychia congenita.
40 citations
,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
September 2025 in “Cosmetics” NMN supplements may improve hair quality and appearance in middle-aged women.
4 citations
,
August 2013 in “Pediatric dermatology” Hair casts can be treated with physical removal and special shampoos.
April 2018 in “Journal of Investigative Dermatology” The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
July 2021 in “British Journal of Dermatology” A woman with systemic sclerosis developed a unique scarring hair loss combining features of systemic sclerosis and frontal fibrosing alopecia.
April 2006 in “Dermatologic Clinics” White wax and its policosanol boost hair growth better than finasteride.