In what way does a microcurrent machine differ from a high-frequency machine?

The correct choice emphasizes the fundamental operating principle behind microcurrent and high-frequency machines. Microcurrent machines utilize low-level electrical currents specifically designed to stimulate facial muscles. This gentle stimulation encourages a natural response from the skin and underlying muscles, promoting toning and lifting effects without causing discomfort. The currents used are typically in the microamp range, which is extremely low and closely mimics the body's own electrical activity.

In contrast, high-frequency machines operate with a much higher voltage. They generate a range of therapeutic effects, including antibacterial and anti-inflammatory properties, making them effective for treating certain skin conditions, particularly acne. The higher frequency currents can create a thermal effect which helps in sterilizing the skin and promoting healing.

This distinction highlights the different therapeutic goals of the two types of devices, with microcurrent focusing on muscle stimulation for lifting and toning, whereas high-frequency machines target skin treatment and healing through their energetic effects.