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Laser Hair Removal Types
by Isobel Washington
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Overview
Shaving, waxing or electrolysis were once the only methods of hair removal, but laser technology has presented a faster and more effective solution. Developments in laser technology and application technique have yielded a variety of hair removal laser treatment options.
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How It Works
Energy-filled laser beams zap the individual hair follicles, and dissolve the unwanted hair. The laser beams adjust to the size and depth of the hair follicles, and during the hair's active growth stage, disable new hair growth. Surrounding tissue is left unharmed.
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Treatable Body Parts
Laser hair removal can be safely performed on virtually any external skin area. Treatment is typically performed on the upper lip, chin, back, ear lobe, thighs, breasts, bikini zones, various facial areas, chests and shoulders. The legs, stomach, hands, eyebrow area, arms, feet and toes can also be treated.
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Types of Laser Mechanism
Laser hair removal uses one of three different mechanisms of laser technology to destroy the hair follicles: heat lasers, mechanical lasers or photo-chemical lasers. While all serve the same purpose and use light, each type has its pros and cons, depending on the patient's condition and objectives.
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Optimal Laser Type
Natural skin pigmentation (color) and hair coarseness determine which laser hair removal type will deliver optimal results. Pale skin is ideal because the lasers destroy melanin build-up, which can leave a light spot on dark skin. Coarser hair has a lower chance of scarring. Light-based lasers are best for dark hair.
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Five Most Widely Used Laser Types
The five basic laser types used for hair removal are as follows: Nd:Yag lasers, which can treat all skin types, are versatile in application and commonly used in hair removal. Pulsed light lasers can also treat all skin types, and are the least painful. Diode lasers are cause some discomfort, and lack long-term evidence of success. Alexandrite and ruby lasers are for fair-skin, and have the longest history in hair removal.
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Permanent Removal
Not all laser treatments result in permanent removal of the unwanted hair. The following laser types are used for permanent hair removal: the ruby, alexandrite, Nd:Yag and diode. Skin type and hair thickness determine which type is optimal for hair removal treatment.
