Hair removal device and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 13, 1993
Grant Date -
N/A
app pub date -
Oct 29, 1991
filing date -
Oct 29, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a device and process for the permanent removal and of unwanted human hair. Hair on a section of skin is contaminated with a substance having high absorption of a frequency band of light which passes through the surface of the skin. The skin is illuminated with light at this frequency band at sufficient intensity and duration to kill the follicles of the hair. Specific embodiments to produce death of the follicles by heating and by photochemical reaction.
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Family
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Cited Art Landscape
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