Picosecond lasers are premium aesthetic devices with pulse durations in the picosecond range (10⁻¹² seconds). They leverage the photoacoustic effect to shatter pigment particles into micron-sized dust, which is more easily metabolized and eliminated by the body's lymphatic system. Compared to traditional nanosecond lasers, they offer higher pigment clearance efficiency and a smaller thermal damage zone, making them the leading high-end solution for freckle removal and tattoo removal, widely used in professional medical and aesthetic clinics.
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