After a year I returned to this barbershop, which is located near the famous Istanbul Grand Bazar. This is one of the best barbershops concerning value for money. Head massage for example costs around 3$. The whole treatment costed me only 6$ and included shaving, head and face massage. It's a very popular place, so it's quite noisy there.
0:00 Shaving
10:30 Head and Face Massage
24:58 My comment