Barber

A barber is someone whose occupation is that of cutting and/or dressing the hair of customers. They can usually be found inside barbershops.

In World of Warcraft
In World of Warcraft, you can find barber NPCs by their title.

Alliance cities
 * Known barbers
 * in Ironforge
 * in Stormwind City

Horde cities
 * in Orgrimmar
 * in the Undercity

Neutral zones
 * in Dalaran
 * in Area 52, Netherstorm
 * Working unstaffed chair in Cosmowrench, Netherstorm.