The efficacy and safety of subcision using CO

Various modalities have been used to treat acne scars. COThis study evaluated the efficacy and the safety of the combined treatment with COFourteen patients with acne scars were treated with three sessions of COAll patients experienced clinical improvements. Excellent, marked, moderate, and mild response was achieved in 1 (7%), 8 (57%), 4 (29%), and 1 patient (7%), respectively. Histologic evaluation of the biopsy specimens showed increased dermal collagen with dermal thickening and elastic fiber straightening in the reticular dermis after the treatment.The combination therapy with CO