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Hair Removal

Laser hair removal is the process of removing unwanted hair from the body & face by means of exposure to pulses of laser light that destroy the hair follicle. Lasers are useful for removing unwanted hair from the face, leg, arm, underarm, bikini line, and other areas. The main principle behind laser hair removal is selective photothermolysis, the matching of a specific wavelength of light and pulse duration to obtain optimal effect on a targeted tissue with minimal effect on surrounding tissue.

Lasers can cause localized damage by selectively heating dark target pigment known as melanin, in the follicle, the area that causes hair growth and not heating the rest of the skin. Since light is usually absorbed by dark objects, the laser energy can be absorbed by the dark material, melanin, in the skin, with much more speed and intensity.

Laser hair removal is less costly and depends on a number of factors which include:

  • Size of the area being treated and time required for treatment.
  • Number of treatments required.
  • Whether a doctor or someone else is performing the procedure.
  • The part of the country where you are having the procedure.

Melanin occurs naturally in the skin and gives the skin and hair there color  There are two types of melanin in hair. Eumelanin gives hair brown or black color, while pheomelanin gives hair blonde or red color. Because of the selective absorption of photons of laser light, only black or brown hair can be removed. Laser works best with dark coarse hair. Light skin and dark hair are an ideal combination, being most effective and producing the best results, but new lasers are now able to target dark black hair with some success in patients with dark skin.

Laser hair removal has become popular because of its speed and efficacy, although some of the efficacy is dependent upon the skill and experience of the laser operator and the choice and availability of different laser technologies used for the procedure. Some will need touch-up treatments, especially on large areas, after the initial set of 3-8 treatments.

Body and face laser hair removal has a number of benefits which include:

  • Laser use is so precise since it can selectively choose dark, coarse hairs while leaving the surrounding skin in good condition.
  • Laser pulse’ takes each a fraction of a second and can treat a number of hairs simultaneously. It can treat a quarter of an area every second thus saving time. Small areas such as the upper lip can be treated in less than a minute, and large areas, such as the back or legs, may take up to an hour.
  • It’s very predictable in that Ninety percent of patients usually have permanent hair loss after an average of three to five sessions.

It has also been noted that some people are “non-responders” – this occurs when the incorrect device is being used, the device parameters are too low or the patient is simply not a good candidate for treatment.

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