Laser hair removal was under experiment for about 20 years before it became commercially available in the 1970s. Laser light-based methods, sometimes called phototricholysis or photoepilation, are now usually referred to as "laser hair removal”. The effectiveness of laser hair removal has been proved community dermatologic, and now is widely used.
Many reviews on laser hair removal methods regarding their safety and effectiveness are published in literature of Dermatology. Laser hair removal was in use since 1997 and has been approved for "permanent hair removal" in the United States by the Food and Drug Administration. It reduces the "permanent" hair of the long-term defined, and decrease hair re-growing after a treatment regimen. Indeed, many patients experience re-growth of hair in the treated areas in the years following their last treatment. Laser hair removal has become very popular because of its quickness and efficiency, although some of the effectiveness depends on operator skill and experience of the laser operator, and the selection and availability of different laser technology at the clinic where he performs the procedure. Some will need polishing treatment, especially on large areas, after an initial set of 3-8 treatments. Also proven that some people seem not to respond - what might be in fact due to lack of skill on the part of many laser operators or type of machine used settings. Multiple laser hair removal treatments (usually 6-8 no in intervals 8-12 weeks apart), depending on skin color and hair have been shown to provide long-term reduction of hair.
Number of sessions depends on various parameters, including the patient's body surface, skin color, and coarseness of hair, hairy reason, and sex. Coarse dark hair on light skin is easiest to treat. Hair on darker skin is harder to treat. Light hair is affected only sometimes. Certain areas (particularly men's faces) may require more treatments to achieve the desired results. In addition, since hair grows in several phases of laser hair removal can only affect certain follicles; several sessions are required to kill all stages of hair growth. It is important to note that laser hair removal does not work well on light hair, the most delicate hair. Some side effects may occur after the usual laser hair removal treatments, including redness, itching, and swelling around the area to be treated. These effects should not last more than three days. Certain kind of pain is also expected during treatment.
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