What is the best laser treatment for my facial hypopigmentation? (Photo)

Due to a surgery 3 yrs ago I received a chemical burn on the right side of my face, I'd like to bring the color back. A dermatologist suggested either of the following laser treatments: PDL laser KTP laser She said with these kinds of lasers she can destroy the blood vessels in the area which is causing the skin to look pink with 2-3 treatments. Are either of these a good option for my case? And if so which is the better of the two? And what about Xtrac lasers, would that be a better option?

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