Which Between Deep FX, Active FX, and Pixel Laser Goes Deeper?

All three of these lasers are fractional ablative lasers. In that sense they are similar to the Fraxel Repair Laser. The depth that the laser penetrates into the skin is not just determined by the laser but by the treatment parameters chosen by the physician. However, everything else being equal, of the three you have mentioned, the Deep FX has the potential to go deeper.