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41 terms

Milady's Esthetics Chapter 7 Basics of Electricity

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Electricity
Form of energy that, when in motion, exhibits magnetic, chemical, or thermal effects.
Electric Current
The flow of electricity along a conductor.
Conductor
Any substance that easily transmits electricity.
Insulator
A substance that does not easily transmit electricity
Complete Circuit
the path of an electric current from the generating source through conductors and back to its original source.
Direct Current
A constant, even-flowing current that travels in one direction only.
Converter
An apparatus that changes direct current to alternating current.
Rectifier
An apparatus that changes alternating current to direct current.
Volt
The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor.
Amp
The unit that measures the strenght of an electric current ( the number of electrons)
Milliampere
One-thousandths of an amp.
Ohm
Unit that measures the resisitance of an electric current.
Watt
Measurement of how much electricity is being used.
Kilowatt
1000 watts
Fuse
A special device that prevents excessive current from passing through a circuit
Circuit breaker
A switch that automatically interrupts or shuts off an electric circuit at the first indication of overload.
Electrotherapy
Electrical facial treatments
Modalities
Treatments
Electrode
An applicator for directing the electric current from the machine to the client's skin.
Anode
Positive electrode
Cathode
Negative electrode
Galvanic current
Used for unblocking clogged pores and to drive solutions deeper into the epidermis.
Active electrode
electrode to be used on the area treated
inactive electrode
The opposite pole from the active electrode.
Iontophoresis
The term for the process of introducing water soluble products into the skin with the use of electric currents.
Cataphoresis
Forces acidic substances into deeper tissues by using galvanic current from the positive toward the negative pole.
Deincrustation
A process which uses the negative pole to soften and emulsify grease deposits (oil) and blackheads in the hair follicle.
Faradic Current
An alternating and interrupted current that produces a mechanical reaction without a chemical effect.
Sinusoidal current
Alternating, mechanical contractions, and is used during scalp manipulations.
Microcurrent
Extremely low level of electricity that mirror's the body's own natural electrical impulses.
Telsa High Frequency
Thermal or heat producing current with a high rate of oscillation or vibration.
Visible light
Electromagnetic raditation.
Electromagnetic radiation
Radiant energy, carries, or radiates, energy through space or waves.
Wavelength
The distance between tow successive peaks.
Light therapy
The application of light rays to the skin for the treatment of acne, wrinkles, capillaries, pigmentation, or hair removal.
Infared rays
Invisible rays that have longer wavelengths, penetrate deeper, and produce more heat than visible light does.
White light
Referred to as combination light becuase it is a combination of all the rays of the visible spectrum.
Blue light
Only on oily skin that is bare, few heat rays, least penetrating, has some germicidal and chemical benefits.
Red light
Used on dry skin in combination with oils and creams.
Laser
Light amplification stimulation emission of radiation.
Phototermolysis
A process that turns light from the laser into heat.