November 2021 in “Egyptian Journal of Medical Microbiology” This study found that protective measures against COVID-19, such as prolonged mask-wearing and frequent hand washing, were associated with skin issues, hair loss, and nail brittleness among participants in Iraq.
17 citations
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July 2014 in “Our Dermatology Online” In this study of elderly patients at an Indian medical center, researchers found that xerosis was the most common physiological skin change and pruritus was the most frequent complaint.
53 citations
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October 1978 in “Archives of dermatology” This study reports two cases of acquired zinc deficiency presenting with skin symptoms such as hair loss and acrodermatitis, suggesting these manifestations may help in diagnosing zinc deficiency in humans.
25 citations
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October 2017 in “Clinics in Dermatology” This review discusses common hair and nail diseases in the elderly and reports no new clinical results, noting their significant impact on quality of life.
7 citations
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January 2017 in “Annals of Dermatology” This study found that among patients with twenty-nail dystrophy, those treated with oral cyclosporine in combination with a dietary supplement showed significantly better improvement in nail condition and quality of life than those treated with the supplement alone.
December 2021 in “Trichology and cosmetology:” This study demonstrated that a daily oral supplement of 1000 mg Kera-Diet® improved hair and nail conditions in women experiencing acute telogen effluvium and brittle nail syndrome over three months.
January 2019 in “Journal of cosmetology & trichology” In this study, researchers found that supplementation with L-cystine, either alone or with a keratin hydrolysate, significantly improved hair density, hair and nail brightness, and nail growth in women experiencing acute telogen effluvium and brittle nail syndrome over three months.
1 citations
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January 2013 in “Elsevier eBooks” The document reviews various hair and nail disorders, their causes, and treatments, emphasizing the need for proper diagnosis and the link between nail changes and systemic diseases.
23 citations
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November 2001 in “Archives of Dermatology” This review discusses recent advances in the genetic understanding of inherited hair and nail disorders and reports no new clinical results.
7 citations
,
December 2008 in “Expert Review of Dermatology” This article reviews hair and nail disorders in children, emphasizing their prevalence, congenital and acquired origins, and the diagnostic challenges compared to treatment, but reports no new clinical results.
November 2025 in “International Journal of Research in Medical Sciences” In this randomized, placebo-controlled study, Titagen® was found to improve skin, hair, and nail health in adults consuming 5g daily, and reduce pain and improve quality of life for osteoarthritis patients taking 10g daily, without related adverse events.
4 citations
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November 2009 in “Medical Clinics of North America” This article discusses how changes in hair and nails may indicate systemic diseases, but it provides no new results; the authors emphasize their usefulness in clinical diagnosis.
3 citations
,
January 2012 in “Elsevier eBooks” The document says that there are treatments for hair and nail diseases.
11 citations
,
January 2014 in “The Scientific World Journal” This study found that Cynatine HNS significantly improved hair and nail health in women after 90 days compared to placebo.
24 citations
,
July 2011 in “PubMed” This review discusses the classic skin characteristics of hypothyroidism, notably generalized myxedema caused by increased glycosaminoglycan deposition, and reports no clinical results.
September 2023 in “Asian journal of beauty & cosmetology” In this review paper, the authors explored the composition and role of lipids in human hair, highlighting their importance for hair texture, moisture retention, and tensile strength, while noting that the understanding of hair lipids' functions remains controversial and requires further research.
January 2016 in “Dermatology Review” This review details various skin manifestations linked to different endocrine disorders but does not report any new clinical results.
61 citations
,
October 2010 in “Postgraduate Medical Journal” This study found that dermatological issues, such as xerosis and pigmentation, are common in chronic kidney disease patients and increase with the severity and duration of the disease, indicating that dialysis often exacerbates these conditions.
44 citations
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July 2011 in “Dermato-endocrinology” This article reviews the skin condition myxedema associated with hypothyroidism, highlighting its characteristic non-pitting, glycosaminoglycan-rich nature, and reports no new results.
January 2026 in “Journal of Biosciences and Medicines” This research highlights the common and varied skin-related symptoms associated with chronic kidney disease, emphasizing that early recognition and multi-pronged management involving nephrology and dermatology can improve patient outcomes.
January 2022 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” This article presents an overview of uncombable hair syndrome, emphasizing its clinical and molecular characteristics and noting systemic manifestations such as neuropsychiatric, ophthalmic, and cardiopulmonary issues.
January 2017 in “Springer eBooks” The document explains various skin conditions and their treatments.
December 2016 in “Journal of evolution of medical and dental sciences” This study reported common skin changes and symptoms associated with thyroid disorders, such as dry skin in hypothyroidism and warm, soft skin in hyperthyroidism, and noted urticaria as a frequent autoimmune association in hypothyroid patients.
July 2025 in “Cosmoderma” In this study, a 90-day course of a plant-based supplement significantly improved hair density, skin hydration, and nail growth among participants with dermatological concerns, while also reducing hair fall and pigmentation, without adverse effects.
July 2022 in “Journal of Veterinary Medical Research” This research outlines the significant morbidity and economic impact of dermatophytosis, a contagious fungal disease affecting skin, hair, and nails, with heightened severity in immune-compromised individuals and poor environmental conditions.
This case study describes a young girl with sparse, brittle scalp hair and multiple keratotic papules, but no systemic or familial abnormalities were found.
April 2014 in “Jurnal Biomedik : JBM” This case report diagnosed an 8-year-old girl with trachyonychia and secondary onychomycosis, finding that spontaneous improvement is common, making specific therapy often unnecessary despite treatment challenges with associated fungal infections.
2 citations
,
October 2018 in “Springer eBooks” Cancer treatments can cause skin-related side effects that may affect patient quality of life and require changes in treatment.
9 citations
,
January 2011 in “EXPERIMENTAL ANIMALS” This study describes a novel hairless mutant rat strain, F344-Hr(krh), developed via ENU mutagenesis, which provides a model for skin disease and potentially focal glomerulosclerosis due to specific genetic mutations.
8 citations
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February 2012 in “International Journal of Dermatology” This review discusses skin problems common among long-distance runners and outlines helpful treatments, without presenting new clinical results.