What type of current does a high-frequency machine utilize?

A high-frequency machine utilizes high-frequency alternating current primarily because this type of current creates a rapid oscillation of electrical energy. This oscillation is crucial for the therapeutic effects that high-frequency treatments aim to achieve, such as stimulating blood circulation, promoting lymphatic drainage, and enhancing product penetration into the skin.

High-frequency alternating current is particularly effective in producing heat and generating a mild electrical discharge, which can help in treating oily and acne-prone skin by reducing bacteria and encouraging healing. The specific frequency used in these machines typically ranges from 100,000 Hz to 1,000,000 Hz, which is significantly higher than standard alternating current frequencies.

While direct current is constant and does not oscillate, and low-frequency current is too slow to provide the desired effects in a facial treatment context, high-frequency alternating current uniquely combines the benefits of frequency and oscillation, making it the optimal choice for a range of aesthetic and therapeutic applications in skincare.