Laser Hair Removal
When treating unwanted hair, the energy of laser light is used to prevent the hair regrowth. To do this the laser light has to penetrate several millimeters into the skin to reach the hair root. When it meets the melanin in the hair (brown colour) the light is absorbed, i.e. it is converted into heat.
The darker, thicker, and more dense the hair, the more heat that is produced. This heat damages the cells within the hair and in the immediate area around the hair, which are responsible for hair regrowth. This ensures a drastic reduction of hair in the treated area. At the same time one has to ensure that despite the heat produced no blisters or even scars develop. That’s why the wavelength of the high-power diode laser MeDioStar was chosen in a way that the absorption of the light is high in melanin, but low in water (important substance of the skin). In addition the handpiece of the MeDioStar includes a strong skin cooling, which always cools the most superficial layer of the skin immediately before the laser pulse. It also makes the treatment more convenient for the patient. At the same time it is possible to treat even dark skin types.
It is necessary to treat several times with an interval of 4 to 8 weeks, as in human beings the hair grows in certain phases and the melanin containing hair shaft is connected to the hair root in the growing phase only. But different hairs are never in this phase at the same time. It is individually different how many sessions are needed and whether one has to retreat after about one year. It is dependent on hair and skin type and on genetic predisposition as well. Normally people from Southern countries need more sessions.
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