![]() At-home devices have much lower energy levels to make sure they are safe to use at home, unsupervised. "The difference between at-home and professional strength treatments is the energy level of the laser. "Each treatment will partially destroy the follicle, so repeated treatments are often needed for the full effects," he explains. "In some cases it may be difficult to fully remove hair completely." He also says that "the lasers definitely decrease the density of hair and the thickness of each individual hair," and that "it takes multiple treatments to give the results most people are looking for"-so, as with most pricey beauty treatments, it's best to stay patient when waiting for your results. "The term laser hair removal is a bit misleading, as it really should be called laser hair reduction," notes Dr. “One is not necessarily better than another, and it really just depends on what type of technology a company chooses to use,” Dr. Why the distinction? Since there are several ways to remove hair at the follicle, different devices (and light wavelengths) are used. ![]() A laser, on the other hand, emits only a single wavelength.” “This technically is not a laser since it emits multiple wavelengths of light. “IPL stands for intense pulsed light,” says Dr. While sometimes used together, IPL devices work a little differently from lasers. You'll see the acronym “IPL” on some of the devices on this list. This is true whether you are getting a professional or an at-home treatment." IPL vs. As the laser destroys the follicle, it will not grow back, giving a permanent effect. ![]() In the case of hair removal, the light is absorbed by pigment within the hair follicle itself. A laser is a beam of light of a single wavelength that is absorbed by a specific target in the skin. New York-based dermatologist Joshua Zeichner, MD explains: "Laser hair removal is a treatment where a laser is used to permanently destroy the hair follicle and remove the hair. View Deal How Does Laser Hair Removal Work?
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