Co2 laser resurfacing video for learning about Active and Deep Fx, Total and Max Fx by Philip Young MD of Bellevue: I always get asked these questions on what is the difference between these terms regarding cO2 laser resurfacing. Active FX is the superficial component that shoots wider spot sizes that are superficial in the depth of penetration into the skin. Deep FX is the deep component that shoots narrow beams that reach deeper in the skin. The Active FX treats the sun spots and the superficial elements of the skin like the fine wrinkles. The Deep FX treats the skin by tightening the skin. When you combine the two it is considered total FX. Both Active and Deep are fractionated and within a 1 cm squared spot size there are more tinier spot sizes that are shot within the 1 cm but they are not completely covering the 1 cm spot. There is healthy untreated tissue within the 1 cm spot size to allow the healing to be faster and your recovery faster. Max fx is when you use Active Fx and the 1 cm spot size is completely covered within and it is not fractionated. With Max I usually do 2 passes to get even deeper.
Here is a video to further help you understand:
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