US 5,226,907 · Granted 1993-07-13
Hair removal device and method
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.
Patent details
- Publication number
- US 5,226,907
- Filing date
- 1991-10-29
- Grant date
- 1993-07-13
- Assignee
- Tankovich Nikolai I
- Inventor(s)
- TANKOVICH; NIKOLAI I.
- CPC class
- A45D26/00
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