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.