Post Meth Addiction- Skin Problems

Ive only recently stopped doing meth, and after two years my skin has really been destroyed. Im using scar cream to help reduce the appearance if the meth scars, but Im still dealing with the horrible bumpy texture of my skin and lots of blackheads. Please does anyone have any good tips on products or regiments or whatever to help me get my skin back to normal? Or as close to normal as pore