What is the principle of laser hair removal?

The skin of the human body is a relatively transparent structure, so the laser can pass through the skin very smoothly and reach the part of the hair follicle, that is, the part where the hair grows. Because there is a lot of melanin in the hair follicle, it can preferentially absorb a large amount of laser energy and finally convert it into heat energy, so as to increase the temperature in the hair follicle and destroy the function of the hair follicle. In this process, because the skin does not absorb laser energy, or absorbs a small amount of laser energy, the skin itself will not be damaged.

In addition, the laser treatment is also equipped with a cooling device to protect the skin, so the laser treatment will not damage the skin at the same time, so there will be no adverse reactions such as abnormal pigment or scar. In terms of treatment, because the treatment courses used in different parts are different, patients’ friends need to consult experienced doctors for corresponding treatment course selection, Then we should also know the interval of laser hair removal, so as to achieve the purpose of good hair removal.

The effect of laser hair removal is good, but it can not achieve the effect only through one treatment. After 3-8 treatments, the therapeutic purpose can be basically achieved. At present, the technology can not reach the state of physical hair, but most of the hair can be removed, and the hair that cannot be removed can also become small.

Hair follicles contain melanin and absorb more light. During laser irradiation, excessive energy will be absorbed instantly, which will generate heat, destroy hair follicles and stem cells in hair follicles, so that hair follicles will not regenerate new hair and achieve the purpose of hair removal.

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