What unit measures the current used for facial and scalp treatments?

The milliampere is the unit that measures the current used for facial and scalp treatments. In cosmetic and esthetic procedures, particularly those involving electrical devices, the measurement of current is crucial for ensuring safe and effective treatments.

Specifically, milliampere values are often utilized because they represent a small enough scale of current that is appropriate for the delicate systems involved in facial and scalp therapies, where higher currents could cause harm or discomfort. By using milliaperes, practitioners can ensure that the current is low enough to be safe while still achieving the desired effects of the treatment.

The other choices, while all measuring aspects of electrical systems, serve different purposes. Ohms measure resistance in a circuit, watts measure power, and kilowatts are a larger unit of power typically used for measuring electricity on a larger scale, such as in home or industrial settings. Thus, they do not directly apply to the specific current measurements relevant to facial and scalp treatments.