Unable to answer "Which customers visit this hairdresser?" – Hairstudio Dirk (Hairdresser) – https://osm.org/node/1483463095 via StreetComplete 60.0:

Hairdresser Dirk is not longer here. The building is now usef as a family house.

Attached photo(s):
https://streetcomplete.app/p/253959.jpg