When working with electricity, appliances with a ___ offer the most protection for you and your clients.

Currents used in electrical facial and scalp are called ___.

Which material is a good conductor of electricity?

The use of electrical currents to treat the skin is commonly referred to as ___.

What term refers to the distance between two successive peaks of electromagnetic waves?

The path of an electric current from the generating source through the conductors and back to the original source is a(n) ___ electric circuit.

What term refers to a form of anaphoresis used to treat acne, milia, and comedones?

What is another term for Tesla high-frequency current?

A measurement of how much electricity is being used in one second is a(n) ___.

The current for facial and scalp treatments is measured in ___.

Rubber, silk, wood, and glass are common examples of ___.

What is the process of infusing water-soluble products into the skin using electric current?