16 citations
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January 1998 in “Dermatology” This study observed that vellus hairs and empty spaces are present in prepubertal children's scalps, but they likely do not indicate androgenetic alopecia, suggesting a natural 'true resting' phase of scalp hair.
10 citations
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May 2020 in “Dermatology Research and Practice” This review discusses "follicular hypoglycania" as a potential pathology in hair growth disorders and reports that proteoglycan replacement therapy may improve hair loss treatments, though it presents no new clinical trial results.
July 2021 in “Journal of dermatology research and therapy” In this study, researchers observed an increased incidence of pattern hair loss and telogen effluvium among COVID-19 patients, potentially linked to psychological stress, systemic inflammation, and oxidative stress, with reduced anagenic expression of proteoglycans suggested as a mediating mechanism.
This review discusses the link between COVID-19 and diffuse hair loss, focusing on the potential of proteoglycan replacement therapy with Nourkrin® to treat pattern hair loss and telogen effluvium in affected patients, and reports no new clinical results.
10 citations
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August 2021 in “Journal of Cosmetic Dermatology” This study retrospectively analyzed 3028 patients with telogen effluvium, finding that 6.2% had iron deficiency anemia and vitamin D deficiency was common, especially in women who were more often prescribed vitamin D therapy.
November 2023 in “International Journal of Women's Dermatology” In this study, female patients undergoing hormone replacement therapy showed improvements in frontal hairline appearance and increased hair plucking strength, suggesting positive effects of estradiol on hair growth while excluding age-related factors.
April 2023 in “Russian Journal of Clinical Dermatology and Venereology” This study found that after a 4-month comprehensive therapy course, 90.5% of patients with androgenetic alopecia and telogen effluvium showed hair condition improvement, highlighting the potential benefits of adjuvant proteoglycan replacement therapy in these conditions.
February 2023 in “Facial Plastic Surgery Clinics of North America” This article discusses the potential surgical risks of hair replacement surgery and outlines methods to prevent these complications, but it reports no new data or clinical results.
January 2018 in “Springer eBooks” Telogen effluvium is hair loss caused by disruption of the normal hair cycle.
July 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This case report from a pediatric setting highlighted how an 11-year-old with Hashimoto thyroiditis experienced atypical manifestations such as short stature, pubertal issues, and hair loss after starting levothyroxine therapy, underscoring the need for early diagnosis and multidisciplinary care to improve health outcomes.
July 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this case report, an 11-year-old girl with hypothyroidism was found to have Hashimoto thyroiditis after presenting with hair loss, short stature, and pubertal disturbances; the study emphasizes the importance of early diagnosis and personalized thyroid hormone therapy for better outcomes.
30 citations
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March 2010 in “European Journal of Dermatology” This article discusses hair loss in postmenopausal women as often being multifactorial, reviewing various conditions affecting this group, but reports no new research findings.
26 citations
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February 2009 in “Drug Development Research” This article reviews the potential neuroprotective effects of 17α‐estradiol in neurodegenerative diseases and highlights its possibly lower toxicity compared to more feminizing hormones, but it reports no new clinical findings.
1 citations
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September 2013 in “Elsevier eBooks” This review discusses factors affecting hair aging, such as inflammation and UV exposure, and examines potential anti-aging benefits of antioxidants and nutraceuticals for hair, but reports no new clinical results.
December 2025 in “International Journal of Research in Dermatology” This consensus highlights that addressing nutritional and endocrine deficiencies through lifestyle modifications, nutritional support, and medical interventions is crucial for managing hair loss associated with endocrine and gynecological disorders, emphasizing the need for a multidisciplinary approach involving dermatologists, nutritionists, endocrinologists, and gynecologists.
June 2020 in “Journal of clinical and investigative dermatology” In this study, women with diffuse hair loss reported that Proteoglycan Replacement Therapy with Nourkrin® improved hair growth and appearance, boosting their confidence and satisfaction with the treatment.
37 citations
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January 1997 in “Clinics in Dermatology” This study found that women with androgenetic alopecia and alopecia areata had significantly lower serum ferritin levels compared to women without hair loss.
3 citations
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October 2003 in “Annals of Oncology” This case study reported a rare and delayed onset of alopecia in a patient after paclitaxel chemotherapy, potentially influenced by the interaction of thyroid hormones and chemotherapy affecting hair follicle cycles.
1 citations
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June 2011 in “Journal of The American Academy of Dermatology” This study found that iron deficiency was common in both women with hair loss and control subjects, with no higher incidence in the hair loss group.
May 2023 in “Frontiers in Endocrinology” This review article discusses recent updates on the skin manifestations associated with thyroid disease, emphasizing their role as early indicators of thyroid hormone dysregulation.
July 2021 in “Clinical Medicine” This article discusses the diagnosis and management of iron deficiency without anemia, but reports no new results; comments on dermatological aspects are also included.
10 citations
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February 2011 in “Journal der Deutschen Dermatologischen Gesellschaft” This article reviews structured management strategies for diagnosing and treating hair and scalp disorders, offering clinical guidelines and emphasizing the importance of psychosomatic care and patient-therapist communication.
January 2015 in “Iraqi Journal of Hematology” In this study, oral iron replacement therapy showed improvement in hair loss severity for some women with low serum ferritin levels, but not all responded.
In this study, oral iron replacement showed some evidence of improving chronic telogen effluvium in iron deficient women, though further research is required to confirm the association.
January 2022 in “Clinical Cases in Dermatology” This paper reviews treatment options for alopecia in hypothyroidism, noting that while hormone replacement can restore hair growth, additional treatments like PRP and oral minoxidil may help, though further research is needed.
2 citations
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January 2019 in “International Journal of Medicine in Developing Countries” This review discusses telogen effluvium as a common cause of diffuse hair loss and reports no new clinical results, noting diagnostic and treatment challenges.
January 2007 in “Revista del Centro Dermatológico Pascua” This review discusses female androgenic alopecia, highlighting its potential difference from male androgenic alopecia and notes increased incidence, but reports no new clinical findings.
35 citations
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March 2014 in “British Journal of Dermatology” This study found that in androgenic alopecia, the arrector pili muscle degenerates and is replaced by fat, unlike in normal skin or telogen effluvium.
9 citations
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January 2007 in “Gynecological Endocrinology” This case report presents the first known instance of combined polycystic ovary syndrome and autoimmune polyglandular syndrome type 2 in a patient, exploring potential mechanisms for their interrelation.
July 1999 in “Liver transplantation and surgery” Oxygen levels can drop during liver transplant if bypass pressures are too high, but other reasons should be checked first.