hiii, guys...

I need a help frm you guys... about my skin, on 18 feb 2013 , I have done a skin treatment to reduce scars frm my face . but today my skin has become red , my skin has become full reddish... i have used derma roller 1.5m ... and i m really scared about this red skin , how much time does it will take to fade out completly... i m really afraid , plz help me guys...