Advances in Laser Treatment Options for East Asian Patients: A Review

Research Background: Laser treatments are commonly used for various dermatological concerns. East Asian patients are typically classified as Fitzpatrick skin types III - V, characterized by increased melanin content. This results in a higher risk of complications such as post-inflammatory hyperpigmentation (PIH) following laser treatment. Despite the growing use of lasers in aesthetic dermatology, few studies have focused specifically on the efficacy and safety of laser modalities for East Asian populations. Methods: A comprehensive review of the literature was conducted on PubMed for each laser, focusing on Fitzpatrick skin types III - V among East Asian patients only. Results: The Alexandrite and Er:YAG lasers appeared to be the most promising modalities for treating pigmentation and scarring in East Asian skin, with minimal side effects and favorable safety profiles. The picosecond Nd:YAG laser was found to be beneficial for pigmentation reduction, offering lower treatment discomfort and faster healing compared to the Q-switched Nd:YAG model. The CO2 laser, while effective for scarring and texture improvement, was associated with a higher risk of post-inflammatory complications in patients with darker skin types. Conclusion: The Alexandrite and Er:YAG lasers are recommended for East Asian patients due to their safety and efficacy for pigmentation and scarring. Clinicians should consider these lasers for treating East Asian skin to optimize outcomes and minimize adverse effects. Further studies are needed to explore alternative or synergistic treatments and to include more diverse patient cohorts for broader applicability.