Laser Technician (International Board of Electrologist Certification) IBEC Board Exam

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What type of current is primarily used in galvanic electrolysis?

  1. High frequency alternating current

  2. Direct current

  3. Low voltage alternating current

  4. Pulsed direct current

The correct answer is: Direct current

In galvanic electrolysis, direct current is the primary type of current used. This method relies on a continuous flow of electric current in one direction, which facilitates the electrochemical reactions necessary for the process. During galvanic electrolysis, the direct current serves to effectively separate ions in a solution, leading to the desired electrolysis effects, such as the elimination of unwanted hair. The use of direct current is crucial because it maintains a constant polarity; this stability is essential to achieve the desired results without fluctuations that could affect the treatment outcome. Other types of current, like high-frequency alternating current or low voltage alternating current, do not provide this consistent directionality, which is vital for the electrolysis process. Similarly, while pulsed direct current might have applications in other areas, it does not represent the standard practice for galvanic electrolysis. Thus, the use of direct current in this context is foundational to its effectiveness.