i am a professional stylist and i can tell you tipping varies way around.... first off, the price of the cut and tipping really depend where you live. if you live in NYC, everything is more than say a suburb of Amish country.
****there is one thing to remember: a LOT of people do NOT realize that hairstylists do NOT make an hourly salary. almost ALL work commission and tips--that's their salary.***** (heck, at least waitresses/waiters get a couple of bucks per hour!) we can usually tell how much you like your service by how much you tip. (unless we know you are "strapped"--then we'll forgo the tip for the 'repeat' business) also, as a previous salon owner, most of my clients still tipped me because running a business is costly. it takes awhile to get anything extra than a paycheck out of it. you have supplies, utilities, insurance, taxes and many other bills that come out of your own pocket when you're an owner.....after all that, then if you don't put anything back into the business, it's yours.
feel free to ask me any questions about tipping or hairstylists...you know, the things you always wanted to know, but were afraid to ask!!