Microneedling with Vitamin D3 is effective
Ali MS, Hafiz HSA, Ahmed NA, Galal SA. Combined microneedling with topical vitamin D3 or bimatoprost versus microneedling alone in the treatment of alopecia areata: A comparative randomized trial. J Cosmet Dermatol. 2023;22:1286. doi:10.1111/jocd.15569