I had active and deep fx done 3 years ago to help improve acne scarring. While it did help to shallow the scarring, it also caused lines or track marks where the deep fx attachment was used. The doctor that performed the procedure said he used modest setting. None the less I am left with additional scars. In addition, I developed dark pigmentation inside the lines.
The pigmentation has somewhat resolved but I am still dealing with the lines. Aside from the additional scarring, it was increadably upsetting when the doctor down played the problem and dismissed my concerns. Overall this has not been a positive experience. I would not recommend deep fx to anyone. If you are going to have this done, stick with active fx. If you are a person who enjoys being in the sun, steer clear of lasers all together.