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Pigment killer —— What is a picosecond laser?

A picosecond is actually a unit of time, and 1 picosecond is equal to one trillionth of a second, but now the picosecond usually refers to picosecond laser.

Picosecond laser utilizes the blasting effect and selective absorption principle of laser. The high-energy laser pulse acts on and is absorbed by the pigmented tissue. The pigmented tissue expands rapidly after being impacted and heated by the laser. Because the laser pulse is far lower than the melanin structure and tattoo in the body During the thermal relaxation time, the pigmented tissue absorbs the laser energy and generates an oscillating wave to be crushed. The broken pigment particles go through the metabolism of the human body and the macrophages in the body swallow these fragments and excrete them from the body, finally removing the pigment.

At the same time, the laser beam can effectively penetrate into the dermis, promote tissue activity, and accelerate the regeneration of collagen cells, so as to achieve the effects of removing wrinkles, whitening, skin rejuvenation, and improving skin quality. Due to the principle of selective thermal absorption of lasers, the best absorption wavelengths of various pigments are different, while the absorption of 1064nm and 532nm lasers output by other lasers in the human body is extremely small. Therefore, the picosecond laser can effectively remove the diseased pigment and vascular tissue without damaging the surrounding tissue.

The treatment range of picosecond laser is also very wide. Some moles, freckles, tattoos, blackheads and other pigmentation can be improved by picosecond laser.

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