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.

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