How to Prevent Breakout After Fraxel Treatment?

50 yo white male. Cystic acne scars on cheeks, temples,neck and pick axe scars. VERY oily skin, large pores. Still have breakouts. Unspecified autoimmune disease. Slow healer. Re-scheduled Fraxel Restore after Doctor cancelled because I had active cold sore. Rescheduled for nxt month with meds. Have limited downtime. After reading these stories am concerned sebaceous glands will overreact and cause a massive cystic outbreak that the meds won't control. How can I prevent this from happeniong?

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