The wands apply low-level electrical currents ... "There are two kinds of high-frequency electrodes; Argon gas and Neon gas," she continues, "Argon gas is violet and is great for acne/oily skin.
Dim the lights. Touch the interior electrode of the Leyden jar to the Van de Graaff. Turn on the Van de Graaff. After a few seconds of charging, turn off the Van de Graaff. Discharge the capacitor ...