Safe oxygenating power of high frequency electrical current enhances blood circulation, increases collagen and elastin production, eliminates toxins and acne-causing bacteria, encourages lymphatic drainage, and safely exfoliates away dead skin cells to improve the appearance of the skin. In technical terms, the primary action of high frequency current is thermal (heat producing) and is characterized by a high rate of oscillation. Due to its rapid rate of oscillation, high frequency does not cause visible muscular contractions - instead, it works on the principle of gentle skin toning..