Greetings! Picosecond laser technology, with its unique ultra-short pulse duration and high peak power, has shown significant advantages in the field of aesthetic dermatology, particularly in the treatment of pigmented lesions. This article aims to share recommended treatment parameters, protocols, and precautions for using picosecond laser devices to treat several common types of pigmented lesions, including freckles, melasma, Nevus of Ota, café-au-lait macules, age spots, and post-inflammatory hyperpigmentation, providing a reference for clinical practice.

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