Electrolysis Practice Exam

What is key to the action of currents within hair follicles during electrolysis?

1. Electrical resistance

2. Moisture gradient

3. Temperature variation

4. Pressure difference

The correct answer is: Moisture gradient

The key factor influencing the action of currents within hair follicles during electrolysis is electrical resistance. When electrical currents pass through the hair follicle, they encounter resistance due to the nature of the biological tissues and their composition. This resistance is crucial as it affects how effectively the current can break down the hair's structure, which ultimately leads to its removal. In electrolysis, the electrical energy is converted into thermal energy, which destroys hair growth cells. The effectiveness of this process depends heavily on the resistance characteristics of the tissue in the follicle, as well as the treatment parameters set by the practitioner. While moisture gradient, temperature variation, and pressure difference may play roles in related processes or treatments, they are not the primary mechanisms that directly affect the current's action in hair follicles during electrolysis. Understanding resistance is vital for optimizing the electrolysis procedure and ensuring successful hair removal.