The CO2 Laser offers a variety of unique features in resurfacing facial pho
todamage and acne scarring. These include hemostasis, efficient removal of
the epidermis in a single pass, thermally induced tissue tightening, and sa
fe, predictable tissue interaction. Knowledge of these mechanisms will resu
lt in the capability of using the CO2 laser effectively and safely whether
the goal is superficial or deep treatment.