The use of electricity for therapeutic purposes
Electrotherapy
Light therapy (phototherapy)
The range of light that humans can see
Visible light
Devices which improve the skins appearance by stimulation, product application enhancement and deep cleansing
Esthetic electrotherapy devices
Prolonged heating of the tissues with light to cause ablation
Photothermal
Casts cool tones of light
Fluorescent light
Galvanic, Faradic and Pulsed DC are examples of this
Direct Current
Reaction with light and molecules in the body that cause a chemical change or cellular stimulation
Photochemical
Balances out the tones of light in the spa
Incandescent light
Alternating current with sine waveforms and low frequency
Sinusoidal
Short pulses of light and heat break up target molecules
Photomechanical
This type of light helps the body produce vitamin D
Ultraviolet light
Length of time that current is flowing
Pulse
Sensitivity to light based treatments
Photosensitivity
This type of light should be placed at least 30" away from the client's face or body
Infrared light