Shedding Light On Acne Scars: A Comprehensive Review Of CO2 Vs. Erbium-Doped Yttrium Aluminium Garnet (Er:YAG) Laser Therapy

    April 2024 in “ Cureus ”
    Soham Meghe, Arshiya Khan, Shivani D Jangid, Bhakti Sarda, Nitya Vangala, Vikrant Saoji
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    TLDR CO2 lasers are better for severe acne scars, while Er:YAG lasers are gentler with fewer side effects.
    This review examines CO2 and Er:YAG laser therapies for treating acne scars, highlighting their mechanisms, efficacy, safety, and patient outcomes. CO2 lasers penetrate deeper and may improve severe scars more significantly, while Er:YAG lasers are gentler with a lower risk of hyperpigmentation. The review suggests tailoring treatments to individual patients, educating them on expectations and care, considering combination therapies, and ensuring regular follow-ups. It also calls for further research on long-term outcomes, diverse populations, combination therapies, and new laser technologies to enhance treatment decisions and outcomes for acne scars.
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