Electricity & EquipmentQuestion 98 of 484
Microcurrent devices used in facial services deliver:
a.Direct current at hundreds of milliamperes to burn tissue
b.Very low-level electrical currents measured in microamperes that work below the threshold of muscle contraction
c.Radio-frequency waves that vaporize the outer layer of the skin
d.Strong alternating currents that visibly contract muscles
Explanation
Microcurrent is extremely low-amperage current measured in millionths of an ampere. It is typically sub-sensory and is used for gentle stimulation of facial tissue, not for strong muscle contractions or tissue destruction.
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