US 5,425,728 · Granted 1995-06-20
Hair removal device and method
A device and process for the permanent removal of unwanted human hair. Hair on a section of skin is contaminated with a substance having high absorption of a frequency band of light. The skin is illuminated with light at this frequency band at sufficient intensity and duration to kill the follicles or the skin tissue feeding the hair. Specific embodiments are disclosed to produce death of the follicles or the skin tissues feeding the hair by heating and by photochemical reaction.
Patent details
- Publication number
- US 5,425,728
- Filing date
- 1993-01-19
- Grant date
- 1995-06-20
- Assignee
- Tankovich; Nicolai I.
- Inventor(s)
- TANKOVICH; NICOLAI I.
- CPC class
- A45D26/00
Want to file your own patent?
Run your idea through our free scanner — we’ll show you which existing patents are conceptually closest, including this one if it’s a match.
Free patentability scanRelated patents in this cluster
- US 7,419,321: Hand applicator of encapsulated liquids
- US 4,828,542: Foam substrate and micropackaged active ingredient particle composite dispensing materials
- US 5,250,071: Detachable embolic coil assembly using interlocking clasps and method of use
- US 6,350,276: Tissue remodeling apparatus containing cooling fluid