What is the use of electrical currents to treat the skin called?

• A. A manual massage technique.
• B. The use of electrical currents to treat the skin.
• C. Use of lasers to stimulate collagen.
• D. A form of exercise.

Answer: (B)

Electrotherapy is the use of electrical currents to treat the skin. In esthetics, devices deliver currents to facial tissues to stimulate circulation, aid product absorption, and support tissue activity. This name specifically describes a treatment modality that relies on electrical currents, setting it apart from manual massage, laser therapies, or exercise, which do not define using electrical currents to treat the skin.