Will the soap be rinsed off after the foam treatment?
Rinsing is part of the washing sequence. Tell the attendant if soap remains or water feels uncomfortable; do not wait until the treatment ends to speak up.

Related questions
How is the foam made in a Turkish bath?
An attendant can use a cloth bag and soap to create a large volume of foam. The foam wash is a different step from the kese scrub.
Should I bring shampoo or my own toiletries?
Bring products you prefer, but check what is supplied and allowed. Tell staff about products you want to avoid before the treatment starts.
Can I rest after my hamam treatment?
Allow time to dry, change and sit before leaving. Confirm how the venue handles its rest area rather than scheduling another activity immediately after treatment.