New Jersey State Board Esthetics Practice Exam

What type of current does electrolysis with galvanic procedures use?

1. Alternating current

2. Direct current

3. Static electricity

4. High frequency current

The correct answer is: Direct current

Electrolysis with galvanic procedures utilizes direct current, which is essential for the process to effectively remove hair and address skin concerns. This method works by sending a steady flow of electrical current through a conductive medium to the hair follicle, facilitating the chemical reaction necessary for hair removal. In contrast, alternating current shifts direction periodically, which is not suitable for the precise and consistent energy required for electrolysis. Static electricity is an accumulation of electric charge on the surface of objects and does not provide the continuous flow needed for galvanic treatments. High frequency current involves rapid oscillations of the electrical flow and is used for different types of skin treatments, such as promoting healing and treating acne, rather than for electrolysis. Thus, direct current is the correct choice, as it directly contributes to the intended chemical reactions that lead to the desired outcomes in galvanic electrolysis.