PicoSure+ Fractional CO2 (Photo)

Got an atrophic scar,i got myself 3 picosure focus spaced 2 weeks apart. I got some raise and borders are softer but pico is expensive & doctor just insist on this tx.Now, i am finding a more affordable treatment so i went to a new doctor. She will start me with fractional co2, 1st session will be 4 weeks post my 3rd pico session. My question is, will i have significant result on my 1st co2 since i already had 3 pico focus tx? How is picosure focus and fractional co2 differ in terms of results?

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