Is laser hair removal permanent?

An ideal image is very important for anyone, because it can leave a good impression on others at the first time, but some people have a lot of body hair. In order to solve this problem, they chose laser hair removal. So, is laser hair removal permanent?

Diode laser hair removal machine treatment can remove hair permanent. Because the hair grows from the hair follicle, and the principle of laser hair removal is to directly act on the root of the hair follicle, the hair follicle selectively absorbs the laser energy, resulting in the necrosis of the hair follicle and this process is irreversible, so laser hair removal can achieve permanent hair removal. Laser hair removal is not a one-time treatment to achieve ideal results. Generally, multiple treatments are required. According to the hair growth cycle, each treatment needs to be separated by about 1 month. The number of treatments required for different parts of the hair is different.  

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The principle of laser hair removal

Laser hair removal is based on the principle of selective photothermodynamics. By adjusting the wavelength, energy and pulse width of the laser, the laser penetrates the surface layer of the skin and reaches the root of the hair. The melanin in the hair follicle absorbs light energy and converts it into heat energy, which rapidly increases the temperature inside the hair follicle, causing the necrosis of the hair follicle tissue, thereby losing the ability to grow hair and achieving the effect of hair removal. However, the effect of laser hair removal on the telogen hair follicles is not very obvious. It is necessary to perform laser hair removal again after the hair follicles enter the growth phase to achieve the effect of permanent hair removal. Therefore, laser hair removal requires at least 3 to 5 treatments to achieve permanent hair removal.

Choose professional laser hair removal machine treatment, excess hair in multiple areas can be removed with laser. The effect is still relatively good. The principle is based on the principle of selective photothermodynamics. By adjusting the laser wavelength energy pulse width reasonably, the laser can pass through the skin surface and reach the hair follicles at the root of the hair. The light energy is absorbed and converted into damaged hair follicles. The thermal energy of the tissue, so that the hair loses its ability to regenerate, and at the same time may damage the surrounding tissue, and the tingling sensation is light. Laser hair removal is a safe, fast and long-lasting hair removal technique.

Precautions for laser hair removal

Although laser hair removal can achieve permanent hair removal, there may be certain risks, such as erythema, edema, pigmentation, burns, folliculitis and acne lesions. It is recommended to go to a regular medical institution for laser hair removal treatment.

Before laser hair removal, the doctor should do a skin check on the hair remover to see if the skin is red, swollen, itchy, or pimples. With laser hair removal, it is easy to make the skin ulcerate, red and swollen.

Before laser hair removal, the doctor must give the patient a disease check to see if the patient has a cold or sore throat. Laser hair removal can easily lead to inflammation, which affects the effect of hair removal.

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