Fractional Laser Versus Radiofrequency in Androgenetic Alopecia

Group FCO2 will be to receiving fractional CO2 to one randomized side of the scalp, and Group FRF will be receiving Fractional Microneedling radiofrequency to one randomized side of the scalp. All patients will receive 4 sessions with 4-week intervals.each session will be followed by immediate topical application of 6 puffs (=1 mL) of minoxidil 5% solution twice daily and also in between the sessions and during follow up period