Electrical Basics
What unit measures the strength of an electric current?
Ampere
What should you always remove from a client before using electrical devices?
Jewelry
What device uses low-level electric current to tone and firm facial muscles?
Microcurrent
What is the name of the machine that provides a warm mist to soften skin and open pores?
Facial steamer
What is the benefit of using a facial steamer before extractions?
It softens the skin and loosens sebum in the pores.
What unit measures the pressure or force of the electric current?
Volt
What is the term for a safety device that shuts off electric flow in case of overload?
Circuit breaker
What device produces ozone and is used to treat acneic skin with germicidal effects?
High-frequency machine
What piece of equipment magnifies and illuminates the skin for analysis?
Mag lamp
How does high-frequency help acne-prone skin?
It kills bacteria and reduces inflammation.
What is the term for the movement of electricity along a conductor?
Electric current
Why should electrical treatments be avoided on clients with pacemakers?
They may interfere with the device’s function and cause harm
What electrotherapy uses a galvanic current to help drive products deeper into the skin?
Iontophoresis
What tool uses UV light to show skin conditions like dehydration and pigmentation?
Wood’s lamp
What is one benefit of microcurrent treatments?
Firms and tones facial muscles.
What type of current flows in one direction and is commonly used in electrotherapy?
Direct current (DC)
What type of skin condition is a contraindication for most electrotherapy?
Broken or inflamed skin
What is the process of using galvanic current to emulsify sebum and debris in follicles?
Desincrustation
What is the purpose of a towel warmer or hot cabbie in the treatment room?
To heat towels for client comfort and pre-treatment preparation
What is the primary benefit of using LED red light during facials?
Stimulates collagen production and reduces signs of aging.
What type of current changes direction rapidly and is used in high-frequency machines?
Alternating current (AC)
What’s the first step to take if a piece of equipment sparks or malfunctions during a service?
Turn it off immediately and unplug it
What device delivers heat and light energy to promote healing and increase circulation?
LED (light-emitting diode) therapy
What large, multifunctional unit combines several facial tools into one device?
Multifunction facial machine
What is the benefit of desincrustation during a facial?
Deep cleanses oily skin by breaking down sebum and debris.