28 citations
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April 2017 in “Journal of cosmetic dermatology” This study found that while vitamin D deficiency is not the sole cause of alopecia areata, it may worsen the disease, suggesting supplementation could help in pediatric cases.
23 citations
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January 2016 in “International Journal of Trichology” This study found that women with female pattern hair loss had significantly lower serum Vitamin D3 levels compared to healthy controls.
20 citations
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January 2019 in “International journal of trichology” This study found that patients with alopecia areata had significantly lower Vitamin D levels compared to controls, with a negative correlation between Vitamin D levels and disease severity.
8 citations
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June 2020 in “International Journal of Dermatology” This study found a significant correlation between vitamin D deficiency and the severity of androgenetic alopecia in males, suggesting that vitamin D may influence the condition's premature onset.
5 citations
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May 2018 in “Journal of the American Academy of Dermatology” This study found no significant correlation between vitamin D levels and disease severity in alopecia areata patients, highlighting the need for further research on vitamin D supplementation's effects.