Picosecond laser is a laser device that uses very short pulse durations to target endogenous pigmentation and exogenous ink particles (tattoos). The medium varies accordingly to the wavelength being used, whether the neodymium-doped yttrium aluminium garnet (Nd:YAG) crystal (532 nm or 1064 nm), or the Alexandrite crystal (755 nm).
The PicoSecond Nd: YAG laser allows us to treat a broader range of skin types and a wide array of tattoo ink colors. With the ultra-short picosecond pulse duration, there is less discomfort during treatment and faster healing. The laser permeates the epidermis into the dermis and takes effect on pigment mass and is absorbed by pigment. Since the laser pulses are extremely short in a nanosecond and come with super high energy, the pigment mass would swell quickly and break into small pieces, which will be eliminated through metabolism. In this case, the pigment becomes lighter gradually and finally disappears.
The energy of Picosecond laser can be absorbed by the blue and black melanin. The melanin will be fragmented so small that they can be metabolized by the lymphatic system or digested out of body. Thus the tattoo or other pigmentation will be removed without damage to the normal tissue. The treatment is safe and convenient without downtime and side effects.
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