What is the best way to treat deep (ice pick) scarring on the nose. (photo)

I have never had horrible acne before just moderate and nothing that ever left serious scars until and this problem started out of no where beginning of last year. I got deep pimples on my nose one after another in the same area. That even if I didn't pop would leave the pore scared and pitted. What can I do to reduce the scaring?

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