Hair removal using photosensitizer and laser

Surgery – Instruments – Light application

Patent

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Details

606131, A61B 1736, A61B 1750

Patent

active

058714804

ABSTRACT:
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 to produce death of the follicles or the skin tissues feeding the hair by heating and by photochemical reaction.

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Porphyrins in Tumor Phototherapy--Andereoni May 16, 1983 1984-pp. 143-155.
Investigation and Therapy in Dermatology A. Anders, et al--Conf. Laser 77 Optics-Electronics (20-24 Jun. 1977).

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