Which piece of equipment is primarily used to soothe the skin following electrolysis?

The cataphoresis machine is primarily used to soothe the skin following electrolysis due to its function of using a mild electrical current to aid in the absorption of soothing solutions into the skin. This process can help to calm irritation and reduce redness after hair removal treatments. Cataphoresis enhances the delivery of topical anesthetics or anti-inflammatory agents, which can significantly improve patient comfort after electrolysis procedures.

In contrast, the other pieces of equipment listed serve different purposes. For instance, the ultrasound device is typically used for therapeutic benefits such as pain relief or muscle relaxation but is not specifically formulated for post-electrolysis soothing. The high-frequency machine is mainly utilized for its antiseptic properties and to help treat acne, which does not directly address the soothing of the skin after electrolysis. A heating pad provides warmth and can relax muscles or alleviate pain but does not possess the same skin-soothing qualities or direct application relevance related to the aftercare of electrolysis.