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Electrolysis has been used for more than a century to get rid of hair. Wikipedia says: "It involves treating one hair at a time and is an option for smaller areas (like eyebrows or upper lip) where precision is necessary, although even in these areas it has fallen out of favor because of the possibility of scarring and the pain of the procedure. In addition it takes so many treatments compared to laser to complete a large area, and the extreme cost and discomfort are such that electrolysis is rarely used for large areas. At this time, it is the only permanent option for very fine and light-colored hair. The FDA currently allows the term "Permanent Hair Removal" for electrolysis only. Unlike laser epilation, electrolysis is effective on all hair colors."
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