I really struggled for a long time to find electrologists here because I didn’t know the correct search term to use.
If anyone is looking here please use the search term 'elektrisch epilatie’
Hope this helps someone one day!
Here are a few places I have found in Amsterdam (still deciding which one to go to)
Health Beauty Center Monique Gottmer
Roelof Hartstraat 10, 1071 VH Amsterdam
Schoonheidsstudio Les Visages
Sarphatistraat 16, 1018 GK Amsterdam
Beauty Clinic Lotus
Koninginneweg 222, 1075 EM Amsterdam
Marnixstraat 155, 1015 VM Amsterdam