West Virginia Barber Written Practice Exam 2026 - Free Barber Written Practice Questions and Study Guide

Cataphoresis is the correct answer because it is a treatment method that uses a galvanic current to deliver water-soluble substances into the deeper layers of the skin. This process helps reduce acne, increase skin circulation, and improve collagen content. LED (Light Emitting Diode) therapy is primarily used for reducing inflammation and promoting collagen production but is not specifically targeted at reducing acne. Microcurrent treatments are used for facial toning and muscle stimulation but are not specifically designed to address acne. Tesla high frequency current is used to treat acne by generating heat and oxygen, which kills bacteria and reduces inflammation, but it is not focused on increasing skin circulation and improving collagen content like cataphoresis.