Is the Dermaroller Effective on Acne Scarring?

Do any doctors here use the dermaroller for acne scar therapy? It seems to be an interesting treatment and is also said to improve the penetrtation of topicals very dramaticaly ( retin a etc). Is this true?

Thanks to all the MDs here that are willing to lend a voice. I have done a Fraxel Repair and a micropeel and am starting v star treatments. I have actualy brought most of my deep scars to the very surface and now its just a question of superficioul texture and redness.

On other alternative therapies does anyone know the next line of lasers or possibley stem cell based therapies for acne scarring? Is it on the horizon..or still some way to go?

thanks again:) i hope eventualy acne scars can become a thing of a past.