Laser Hair Removal: Explanation Of The Technology
17 July 2011Laser hair removal procedures are the FDA approved methods for permanently reducing hair growth. The Q-switched lasers are the most technologically advanced lasers used. The laser is a vibrating and intensely heated beam of light which penetrates the skin and is absorbed by the individual hair follicle. After several sessions of laser hair removal treatments, the hair follicles’ ability to produce new hair is greatly reduced.
Laser hair removal methods do not permanently remove hair from the body, it merely slows down the growth of hair from follicles considerably. Light is absorbed by dark matter, and there are various wavelengths that lasers use for different skin pigmentation. The lasers light is measured in nanometers and ranges from clear light to infrared radiation.
The ND:Yag laser is more effective on darker skins and has a wavelength of 1064 nanometers. The 810 nanometer Pulsed Diode Array laser is generally used on pale to medium skin. At 755 nanometers is the Alexandrite laser, which is used for light skin and is not ever used on darker complexions.
As with all medical procedures, there are certain risks to prospective patients wishing to receive laser hair removal treatments, which may be detrimental to their health.
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