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|
3
|
currents used in electrical facials and scalp treatments
|
|
7
|
the flow of electricity along a conductor
|
|
8
|
an apparatus that changes direct current to alternating current
|
|
9
|
the distance between successive peaks of electromagnetic waves
|
|
10
|
constant even-flowing current that travels in one direction only
|
|
11
|
increases circulation and stimulated wound healing
|
|
12
|
reduces acne and reduces bacteria
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|
14
|
the movements of particles around an atom that creates pure energy
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|
15
|
any material that conducts electricity
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