Those who accompany groom to the hairdresser:
Long time ago , it was a custom that’s grooms close relatives used to accompany him to the Turkish bath(-house)but lately it changed in to the ordinary kind of taking both in the house and then relatives will take him to the hairdresser instead.
The attendance are including groom's father ,brother, and also his drother in law. It is more common if only groom's close friends and brother accompany him .