Q:

How long does laser hair removal last?

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Quick Answer

While laser hair removal often is advertised as being permanent, some hair may grow back after the treatment. However, six to eight treatments produces a definite reduction in hair, and further treatments for regrowth are likely only needed every six to 12 months. Laser hair removal kills individual hair follicles but only works on hair that is treated at the right stage in its growth.

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How long does laser hair removal last?
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Full Answer

Some people find that laser hair removal does permanently remove hair, while others experience regrowth. Most people lose 70 to 80 percent of their hair after four to six treatments. Some people experience the regrowth of hairs which were not in the growth stage of their cycle during the laser treatment. Spot treatments can sometimes remove these rogue hairs.

Laser hair removal works best on dark hair growing on light skin. It breaks down the hair's melanin, which is the element which causes color in the skin and hair. The U.S. Food and Drug Administration has approved laser hair treatment for hair removal.

Most people find laser hair removal hurts slightly, with a sensation like that of having a rubber band snapped on the skin. Those undergoing treatment can use a numbing cream or spray or take a painkiller in advance.

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