Colorado Esthetician Written Practice Exam

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What does LED stand for?

  1. Laser Emission Device

  2. Light Emitting Diode

  3. Low Energy Discharge

  4. Light Emission Display

The correct answer is: Light Emitting Diode

LED stands for Light Emitting Diode. In the field of esthetics, LED therapy is a common treatment that uses different colors of LED lights to target various skin concerns such as acne, aging, and inflammation. LED technology helps to stimulate collagen production, improve circulation, and kill acne-causing bacteria. The other options do not accurately represent what LED stands for in this context.

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