Efficacy and safety of CO 2 fractional laser versus Er:YAG fractional laser in the treatment of atrophic acne scar: A meta-analysis and systematic review.
Fei LiuQiujun ZhouMaocan TaoLuying ShuYi CaoPublished in: Journal of cosmetic dermatology (2024)
fractional laser treatments tend to result in higher pain intensity and may carry a higher risk of post-treatment pigmentation compared to Er:YAG fractional laser procedures.