September 2025 in “Journal of Clinical Medicine” This study found that patients with vitiligo and alopecia areata had significantly higher serum granulysin levels compared to healthy controls, indicating a potential pathogenic role and suggesting that elevated levels may serve as a biomarker for monitoring disease activity, particularly in active vitiligo cases.
May 2024 in “International journal of research in dermatology” This study found that vitamin D deficiency was significantly more prevalent among men with androgenetic alopecia in eastern Uttar Pradesh, India, than in age-matched controls, suggesting a potential link between vitamin D levels and the condition's pathogenesis.
February 2023 in “El-Minia Medical Bulletin” This study found that female patients with androgenetic alopecia had significantly lower serum zinc and iron levels compared to healthy controls, suggesting supplementation may be beneficial.
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July 2015 in “International Journal of Dermatology” This study found that patients with alopecia areata had significantly lower serum zinc levels, which correlated inversely with disease severity, duration, and resistance to therapies, suggesting zinc assessment as a marker of disease status.
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June 2019 in “Journal of Cosmetic Dermatology” In this study, serum omentin-1 levels were significantly higher in females with idiopathic hirsutism compared to those with PCOS and healthy controls.