research A comparative study of fractional CO2 laser with topical triamcinolone acetonide versus intralesional triamcinolone acetonide in the treatment of alopecia areata
This study found that treating patchy alopecia areata with fractional CO2 laser and topical triamcinolone acetonide was more effective and safer than intralesional triamcinolone, despite higher initial discomfort, as it resulted in greater patient satisfaction and fewer adverse effects like skin atrophy.