The applications of fractional lasers are enormous. In Taiwan, the most commonly used fractional lasers can be divided into 3 different categories: ablative, non-ablative, and combined hybrid laser. The ablative fractional laser was invented as a new instrument to be used for facial resurfacing initially. On the contrary, the non-ablative fractional laser was introduced primarily to rejuvenate skin with minimal downtime. It produces dermal thermal damage without significantly affecting the

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... ying epidermal layers of the skin. Both the ablative and nonablative lasers are applied increasingly to various dermatological conditions. Herein, the author will review the researches and multiple applications of fractional lasers in Taiwan.