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by richardcharles » Sun, 22 Jul 2018 1:42 pm
IPL’s are NOT lasers. The machines produce a broad spectrum of wavelengths (like a light bulb) and cannot be focused to a concentrated beam. Because a range of different wavelengths are dispersed at a variety of depths only some of these will be effective for hair reduction.
A more shallow penetration in comparison to laser means that deeper, thicker hairs are not treated effectively. In addition, some of the light can be absorbed into the surrounding tissue as well, leading to heating of the pigment in the skin. This is why there is more of a risk of burns for a darker skin type.
Laser machines create more heat directed at the hair follicle than IPL systems, hence achieving better results. Because the heat is absorbed by the follicle, and not the skin, there is a decreased risk of burning when using Laser machines. This also makes Laser a safer option for darker skinned individuals.