Cosmetic Lasers: Facts, Applications and Equipment Manufacturers
The Cosmetic Laser's Role in Cosmetic Dermatology
Medical lasers have become very common in the practice of Dermatology, Surgery, Plastic Surgery, Dentistry, Ophthalmics and s or Cosmetic Procedures.
Light Amplification by Stimulated Emission of Radiation (LASER) produces an intense beam of light of an exact and narrow wavelength, with insignificant dispersion over a short distance. This property is utilized in dermatology to treat various skin disorders.
When a laser beam is directed at the skin, it is absorbed by the water in naturally occurring pigments like melanin and hemoglobin. It is also absorbed by artificial pigments introduced by means of tattooing. Lasers cause very precise tissue destruction of the lesion in the light path, and does not affect the skin tissue in the surrounding area. It is this precision that has generated tremendous interest among Dermatologists to use the laser as an operative tool.
Cosmetic Lasers, and Their Treatment of the Following Skin Conditions
- Medilite (Q switched YAG)
- GentLASE (long pulsed Alexandrite laser) preferred for dark hair in light skinned.
- Lyra (long pulsed YAG) for dark skinned people.
The laser light is absorbed by hair follicles, and spares other skin appendages. Cooling devices further prevent heat damage to the rest of the skin. Laser hair removal needs multiple sessions. Regrowth of hair after each session may take from 3 months to up to a year. The regrowth is thinner, slower and scantier after each session.
Cosmetic Laser Types and Manufacturers
There are many kinds of lasers available today. Each of them have a specific range of utility, depending on their wavelength and penetration. Some commonly used lasers are listed below.
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Alexandrite & Q-Switched Lasers
Optical & RF Lasers