February 2023 in “Journal of Cosmetic Dermatology” This study found that microneedling combined with either topical vitamin D3 or bimatoprost was more effective for hair regrowth in localized alopecia areata than microneedling alone, though differences between the two additives disappeared after three months.
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August 2016 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This case report observed that after 6 months of treatment with topical cetirizine and oral vitamin D, hair density and quality improved in three girls with congenital hypotrichosis due to ectodermal dysplasia.
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January 2022 in “Journal of Cosmetic Dermatology” This study found that combining oral vitamin D with topical minoxidil improved female pattern hair loss more effectively than either treatment alone.
This study observed that a combination treatment of 2% topical minoxidil and oral vitamin D significantly improved hair density and vitamin D levels in women with female pattern hair loss, compared to minoxidil or vitamin D used alone.
April 2024 in “International Journal Of Medical Science And Clinical Invention” This study found that transdermal application of vitamin D cream led to substantial reductions in inflammatory acne among participants with vitamin D deficiency, with all experiencing at least a 30% improvement after one month, and some achieving up to 100% reduction in acne lesions.