Effectiveness
11
The treatment isn't working as well as expected, or its effects have worn off. What can be done to make it more effective?
Side Effects
15
Skin irritation or discomfort caused by electricity? Identifying the causes and tips for relief.
Body parts
6
Which parts of the body can be treated, and which cannot? How can adjacent areas be treated?
Device and Technology
8
Why is the device behaving differently than expected? How can the device components be tested? What about wear and tear or maintenance?