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3. these lamps may be a more practical solution for delivering light therapies associated with scalp and skin treatments
4. is the unit of power (amperes multiplied by volts) and indicates how much electric energy is being used in 1 second.
6. is an applicator used to direct the electric current from the machine to the client’s skin
9. is the unit of electrical resistance in an electric current
10. is a medical device used to reduce acne, increase skin circulation, and improve collagen content in the skin
13. is an extremely low level of electricity that mirrors the body’s natural electrical impulses.
16. is a switch that automatically interrupts or shuts off an electric circuit at the first indication of an overload
17. is a safety device that prevents the overheating of electrical wires by preventing excessive current from passing through
18. current produces chemical changes when passed through body tissues and fluids, and is used to create chemical and ionic reactions in the skin
19. what is the third plug in an electrical appliance

1. are a type of medical device that uses electromagnetic radiation and a medium (solid, liquid, gas, or semiconductor) for hair removal and various skin treatments
2. is the application of specific wavelengths of the light spectrum to the skin for the treatment of specific disorders or conditions
5. is the standard unit for measuring the strength or rate of an electric current in a conductor
6. Different types of electric currents are used for facial and scalp treatments.
7. is used to facilitate deep pore cleansing.
8. is an outlet that senses imbalances within an electric circuit
11. also known as cold light or actinic light, makes up 5 percent of natural sunlight. It has a short wavelength and is less penetrating than visible light
12. indicates the negative or positive pole of an electric current
14. The different types of currents used for treatments are called
15. is 1,000 watts