August 2016 in “Annals of International medical and Dental Research” This study found that patients with alopecia had significantly higher mean serum ferritin levels compared to controls, except for those with telogen effluvium, whose levels were not significantly different.
January 2018 in “Hair therapy & transplantation” This study aimed to identify possible associations between a hair pull test and various pathological, biochemical, and hematological parameters in Czech patients with different types of alopecia.
4 citations
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August 2022 in “Aesthetic Surgery Journal” This study found that one session of intradermal botulinum toxin type A injection decreased scalp sebum secretion and perception of greasiness more effectively than saline for up to 3 months.
January 2019 in “프로그램북(구 초록집)” This study found that synthetic ceramide shampoo improved dandruff and erythema while reducing water loss when compared to control in a group of 20 subjects over four weeks.
6 citations
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March 2023 in “Journal of Cosmetic Dermatology” In this study, alopecia areata and vitiligo patients had significantly lower serum BDNF and vitamin D levels, which were inversely associated with depression and quality of life, suggesting a potential combined role in the development of depression.