What would be the best treatment for scarring?

Can I still get it removed without scarring? What would you do? Best treatment?

I have got 7 treatments to remove it over the past year and a half. The last treatment I had I went to a different dermatologist recommended by a friend and I got really really big blisters. Since then (Oct. 10th 2013) I have noticed red raised scarring. I have been using silicone scar sheets and they have helped a little. But I am going on vacation and would like to be sleeveless and this thing looks hideous. Is there any way to treat the scarring and the continue to get more gentle laser treatments?

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