Method and apparatus for light-based hair removal
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United States of America Patent
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Feb 10, 2015
Grant Date -
Oct 8, 2009
app pub date -
Sep 3, 2008
filing date -
Mar 3, 2006
priority date (Note) -
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Abstract
Methods and apparatus for damaging hair follicles using a series of rapidly-delivered low-fluence pulses of coherent or incoherent light are disclosed herein. In some embodiments, the pulses of coherent or incoherent light have a wavelength or wavelengths primarily in the range between 750 nm and 1500 nm. In some embodiments, applied electromagnetic radiation comprising the rapidly-delivered low-fluence pulses is effective for concomitantly heating both the sub-dermal layer (i.e. the dermis) of the tissue and the hair follicles. In some embodiments, the thermal damaging of the hair follicles is useful for facilitating hair-removal.
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