The fastest haircut that I have ever had was in San Francisco (USA) in early 1995. The barber shop was staffed entirely by Chinese men, who were playing cards, maybe gambling, when I entered. Six minutes later, with my hair beautifully cut, I had already paid my bill. The barber could not wait to get back to his card game.
The slowest haircut that I have experienced (or, rather, endured), was in London. My wife suggested that I tried a salon near Holborn, which was also a training centre for budding hairderssers. For a modest fee, a student would cut one’s hair under the watchful eye of the professional hairdressing teacher. I was not against the idea as I had once had an excellent student cut at the London School of Fashion.
I don’t know whether the man allotted to practice on my hair was a complete novice or extremely nervous or just totally incompetent, but the experience was tedious to say the least. The appointment begun at 2 pm and was supposed to finish by 5 pm. Throughout the afternoon, my student seemed to do little more than gather up swathes of my hair in his comb and then contemplate them. Very occasionally, he would snip a few strands of hair without much conviction. The afternoon wore on.
By 4.45 pm, when all the other haidressing students had completed their tasks, my hair was much the same as it was at 2 pm. The teacher wandered over to me, pushed the student out of his way, and completed my haircut very competently by 5 pm.
Since then, I have had one more supervised student, which was performed by a very competent student, but she took much longer than an experienced hairdresser. Even if I have to pay more, I prefer my ‘short, back, and sides’ to be performed as rapidly as possible.