Unable to answer "Which customers visit this hairdresser?" – De Mar Hair Studio (Hairdresser) – https://osm.org/way/1067642418 via StreetComplete 57.1:

Is now "The Stylists; Lifestyle Store". Unsure of what type of store due to shutters, will resurvey when open.

Attached photo(s):
https://westnordost.de/p/203536.jpg