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Intense pulsed light
Skin treatment with flashlamps
Intense pulsed light
Intense pulsed light (IPL) is a technology used by cosmetic and medical practitioners to perform various skin treatments for aesthetic and therapeutic purposes, including hair removal, photorejuvenation (e.g. the treatment of skin pigmentation, sun damage, and thread veins) as well as to alleviate dermatologic diseases such as acne. IPL is increasingly used in optometry and ophthalmology as well, to treat evaporative dry eye disease due to meibomian gland dysfunction. IPL is also used for home based hair removal. The technology uses a high-powered, hand-held, computer-controlled linear flashlamp to deliver an intense, visible and near infra-red, broad-spectrum pulse of light, generally in the range of 400 to 1200 nm. Various cut-on filters are commonly used to selectively filter out shorter wavelengths, especially potentially damaging ultraviolet and longer wavelength infra-red light. The resulting light has a spectral range that targets specific structures and chromophores (e.g. melanin...
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