Microdermabrasion is okay but you can benefit more from CO2 lasers. 4) Fractional CO2 laser for skin re-contouring It may take a couple of sessions, may be 5-6 over a period of few months for a good appreciable result. There is a down time with the procedure and one can experience redness and swelling on the treated area, that will persist for 3-5 days post procedure.