I have had 2 Erbuim treatments and still have not had a great deal of change?

Depends on your aims, expectations and most importantly downtime. Adding CO2 can certainly help, however understanding your end goals and your expectations are vitally important. Additional your skin type and down time all play a role in designing a laser program for your skin. All the best, Dr Davin Lim, Laser dermatologist. Brisbane. Australia.