Transepidermal Delivery of Triamcinolone Acetonide or Platelet Rich Plasma Using Either Fractional Carbon Dioxide Laser or Microneedling in Treatment of Alopecia Areata

"The ablative fractional CO2 laser is delivered to the patients' scalp. The fractional ablative method is applied immediately before the topcial medication.~Laser treatment will be given to the affected area, and immediately after the treatment, the treatment solution will be dropped on the treated area and spread evenly"

"Microneedling is performed using Dermapen. This creates pin point bleeding or mild erythema which will be considered as the end point.~The treatment solution will be applied on each lesion twice, before and after performing microneedling."

triamcinolone solution (10 mg/ml) will be dropped on the treated area and spread evenly

The applied PRP will be spread over the whole affected area