7 citations
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February 2022 in “Journal of Cosmetic Dermatology” In this randomized controlled trial, intralesional vitamin D3 injections significantly improved localized alopecia areata symptoms compared to a saline placebo, with minimal and transient side effects, suggesting vitamin D3 as an effective treatment option without needing prior serum vitamin D level measurement.
1 citations
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August 2024 in “Journal of Cosmetic and Laser Therapy” This study found that intralesional vitamin D3 achieved similar effectiveness to triamcinolone acetonide for treating patchy alopecia areata but was associated with fewer adverse effects and higher patient satisfaction.
August 2025 in “Zanco Journal of Medical Sciences” In this interventional therapeutic study, both intralesional triamcinolone acetonide and vitamin D3 showed significant improvement in alopecia areata, with terminal regrowth more frequently observed in the steroid group, although differences were not statistically significant.
May 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” This randomized controlled trial found that intralesional vitamin D3 was as effective and safe as intralesional triamcinolone acetonide for treating patchy alopecia areata on the scalp, with no significant influence from serum vitamin D levels on treatment response.
September 2023 in “Minia Journal of Medical Research” This study found that intralesional vitamin D3 injections significantly improved hair regrowth in adults with patchy alopecia areata, as measured by a 5-point semiquantitative regrowth score and dermoscopic assessment, suggesting it may be an effective and affordable treatment.