Which tools are typically used during the electrolysis procedure?

In the context of electrolysis, the correct tools involved in the procedure are needles and electrical currents. During electrolysis, a fine needle or probe is inserted into the hair follicle, and an electrical current is applied through the needle to destroy the hair root. This method relies on the principle of using electricity to generate heat or chemical reactions that effectively inhibit or destroy hair growth at the follicle level.

This process is specific to electrolysis and distinguishes it from other hair removal techniques, such as laser hair removal, which utilizes light to target hair pigments rather than electricity. While high-frequency machines and ultrasound probes may have their place in various skin treatments and dermatological procedures, they are not typical tools for electrolysis. Therefore, the combination of needles and electrical currents is essential for the electrolysis technique, making it the correct answer.