Dear Rocking,
The above query has been raised so many times in the past.
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Unfotunately, there are few men hairdressers but usually they are located in 5 STAR HOTELS with high charges and some are in FARIJ ALNASR / MIRQAB street.
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That's it. Well, i'm also very eager to find a good GENTS HAIRDRESSER but I think the world gives only priority to LADY'S maintenance and not ours. SAD !!