From my experience working with laser resurfacing, one common issue I've noticed is the lack of adequate eye protection for patients. The CO2 laser emits intense focused light that, if it contacts the eyes or eyelashes without protection, can cause irreversible damage. Ensuring patient eye shields are properly fitted before starting any ablative laser procedure is essential. Additionally, proper skin preparation is not just a step for better results but a necessary precaution to avoid burns or unexpected reactions. Cleansing the skin thoroughly, removing makeup and oils, and sometimes applying topical agents helps optimize the laser's effect and minimizes complications. I've also learned that operator training is critical. Even those new to using CO2 lasers should be trained to understand device settings, safety protocols, and emergency procedures. When these basics are overlooked, the risk to both patients and practitioners rises dramatically. Lastly, patient education forms another pillar of safety. Clearly explaining the procedure, potential side effects, and aftercare helps patients recognize and report any problems early. These shared responsibilities between clinician and patient create a safer environment and better outcomes for laser skin treatments.