Q-Switched ND: YAG Laser Pigmentation Treatment

  • Author: Sophia ChenDate:04-16-2019

There are many reasons for a person's to get a tattoo on his body. It may be to express their eternal love to partners or to prove their commitment to the organization or just to show the difference with people. The situation changes and life continues to evolve, requiring the removal of symbols or names from the body. And Some people no longer like the tattoos they got many years ago. But this is a big problem because the tattoo is etched on your skin. Although you may think that you always want it to be part of your anatomy, now you want to remove it. What can you do? Tattoos can actually be removed due to Q-Switched Nd: YAG laser technology.


A tattoo is a dye that is inserted into the skin. The dye injects tiny needles through the epidermis to completely saturate the skin cells they are in contact with. Therefore, in order to remove the tattoo, a sufficiently powerful laser beam must be used to achieve the same depth as the ink. The heat decomposes the ink particles and is absorbed into the body through the lymphatic system. Only the ablation laser beam is sufficient to invade the skin layer through which the ink penetrates.


The tattoo ink enters the deep layer of the skin with a needle so that the ink is trapped under the skin. Tattoo laser direct laser energy directly into the ink. The energy is then absorbed by the color in the tattoo ink. High pulse energy breaks the ink particles into smaller pieces. Smaller fragments are then metabolized by white blood cells during natural filtration and elimination in the body.


How does the ND-YAG laser work?

This type of laser utilizes a highly concentrated beam of light that is released by short pulses on the target area. The skin then absorbs light in the form of heat, causing minor scarring and tearing of the skin, and promotes the growth of new skin through the body's natural healing process. The YAG laser is very precise and will not damage the surrounding area. The laser effectively removes the outer layer of the skin, allowing the body to regenerate new skin on top.


To successfully remove the tattoo, the laser must be absorbed by the tattoo ink. Absorbing energy is the cause of the disappearance of a tattoo over time.The transmission of the correct wavelength of energy light is the key to eliminating color tattoos
tattoo removal process


Q-Switched ND: YAG laser pigmentation treatment procedure

Most tattoo colors can be removed using Q-Switched Nd: YAG laser technology. The YAG laser emits a range of 532 nm and 1064 nm. These 2 wavelengths can handle the following colors:


When treating black and blue pigments with the 1064nm laser, in the treatment of deep texture of the striated layer, due to the strong absorption of laser energy by melanin, a strong pigment burst may occur with a strong sound. The superficial pigmentation group will explode the epidermis by absorbing energy. A small number of people with thin stratum corneum are prone to bleeding. The first time the laser treatment, the color of the tissue will become very shallow, but it will recover after ten minutes, which is also the normal reaction of the organization. The phagocytosis and transport function of macrophages will last for a long time, during which the texture of the tissue will gradually become lighter, and a second treatment is recommended (one and a half months after the first treatment). Eyeliner is easy to appear in tears due to eye sensitivity, tears will absorb the laser and affect the effect, generally done twice.


When the black and blue pigments are treated with 1064nm laser, the hair may be discolored and may fall off after surgery, but the new hair will re-grow in about two weeks and may be thicker than the original, and will gradually become normal. There were oozing and slight edema at the treatment site. There may be a feeling of itching after swelling, and there may be a hard tissue when touched. These are all normal reactions of the tissue. All bad feelings will disappear completely within two weeks to one month. The length of time varies from person to person.
When the brown and red pigments are treated with 532 nm laser, the hemoglobin of the human tissue has a certain absorption effect on the wavelength of 532 nm, so the surface of the skin is whitish after laser irradiation, the epidermis is necrotic and pigmentation or pigmentation occurs.
When 532the nm laser is used to treat brown and red pigments, subcutaneous capillaries and other tissues will rupture and form subcutaneous congestion after 532nm laser irradiation. The phenomenon of "purpura" may occur, and severe cases may lead to scarring. The recovery time varies from person to person. - 60 days or so.


The tattoo removal process does not harm the surrounding tissues and cells. This is mainly due to the targeted introduction of nanosecond light into the skin. The coloring selectively absorbs laser energy, which dissolves the ink mark into ink particles.


It takes several weeks for the laser tattoo removal treatment to see the results. People with large or colorful tattoos need a range of treatments that gradually smash the ink over time until the tattoo eventually disappears.


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