Dermaroller Vs Fraxel/Lux 1540 Fractional Lasers

How is dermaroller compared to Fraxel restore and Lux1540 fractional lasers. Used for acne scarring you need 4 to 5 treatments of Fraxel/Lux1540, compare this to dermaroller how much treatments do you need before you see any improvement to your acne scarring.

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