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Light therapy
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Light Therapy
Application of light rays to the skin for the treatment of disorders
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Effects of various kinds of Light Therapy
Ultraviolet Beneficial effects
Increases the elimination of waste products Improves the flow of blood & lymph Has a germicidal & antibacterial effect Produces vita min D in the skin Can be used to treat rickets (soft &
deformed bones ), psoriasis & acne Produces a tanBrought to you by
Effects of various kinds of Light Therapy
Infrared Beneficial effects
Heats & relaxes the skin Dilates blood vessels & increases circulation Produces chemical changes Increases metabolism Increases production of perspiration & oil Deep penetration relieves pain in sore muscles Soothes nerves
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Effects of various kinds of Light Therapy
White light Beneficial effects
Relieves pain in the back of the neck & shoulders Produces some chemical & germicidal effects Relaxes muscles
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Effects of various kinds of Light Therapy
Blue light Beneficial effects
Soothes nerves Improves skin tone Provides some chemical & germicidal effects Used for mild cases of skin eruptions Produces little heat
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Effects of various kinds of Light Therapy
Red light Beneficial effects
Improves dry, scaly wrinkled skin Relaxes muscles Penetrates the deepest Produces the most heat
Light Therapy
Artificial light rays are produced by an electrical apparatus called a therapeutic lamp
In some states it is illegal to cause visible muscle contractions with faradic or sinusoidal currents. Always check w/your regulatory agency
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CAUTION:
For high-frequency current, either direct or indirect, the same contraindications apply as for galvanic current
In addition, the client should avoid any contact w/metal, such as chair arms, stools, jewelry, & metal bobby pins during the treatment
A burn may occur if such contact is made
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CAUTION:
Client’s eyes always should be protected during any light ray treatment
Use cotton pads saturated w/alcohol-free freshener or distilled water
The eye pads protect the eyes from the glare of the reflecting rays
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CAUTION:
DO NOT use faradic or sinusoidal currents if it causes pain or discomfort, if the face is very ruddy (red in color), or if your client has gold-filled teeth, high blood pressure, broken capillaries, or pustular skin conditions
Never use faradic or sinusoidal currents longer than 15 – 20 minutes
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CAUTION:
Tesla high-frequency current should not be used on clients who are pregnant, suffer from epilepsy (seizures) or asthma or who have high blood pressure, a sinus blockage, a pacemaker, or metal implants
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Visible lightElectromagnetic radiation that wecan seeAlso called “radiant energy”
Visible light makes up 35%of natural light
Ultraviolet rays & infrared rays are forms of electromagnetic radiation
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Visible light
Violet has the shortest wavelength & red has the longest
Primary source of light used for facial and scalp treatments
Bulbs used for therapeutic visible light therapy are white, red, and blue
White lightreferred to as “combination light”benefits of all the rays of the visible spectrum
Blue lightshould only be used on oily skin that is barecontain few heat rays, is the least penetratingsome germicidal & chemical benefits
Red lightused on dry skin in combination with oils & creamspenetrates the deepest & produces the most heat Brought to you by
Therapeutic lamps
Used to produce artificial light rays in the salon
Capable of producing the same rays that are produced by the sun
Three effects produced by therapeutic lamps are: Thermal ( heat ) Mechanical Chemical Brought to you by
Ultraviolet rays (UV)
Make-up 5% of natural sunlight and are also referred to as cold rays or actinic rays
Least penetrating rays Produce chemical effects Kill germs
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Ultraviolet rays (UV)
Exposure to the sun can be beneficial if guidelines are followed
Natural sunlight kills germs and produces vitamin D in the skin
Stimulates the skin’s production of melanin, which causes a tan and helps protect the skin from further damage But deep tanning is another matter
It is a sign that the skin is under attack from UV radiation Brought to you by
Ultraviolet rays (UV)
Over 1 million new cases of skin cancer are diagnosed each year
Estimated that 1 in 5 will develop skin cancer & 90% of those cancers will be the result of exposure to UV radiation from the sun and from tanning beds
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Infrared rays
Make up 60% natural light sunlight Long wavelengths Penetrate the deepest Produce the most heat
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Did You Know……..
Although salon lighting is not a form of light therapy, the quality of this light can have an effect on your work and your client’s satisfaction
Fluorescent light is produced by fluorescent lamps and is much cooler (green-blue) than natural sunlight
Incandescent light is produced by standard (tungsten) light bulbs and is warmer (yellow-gold) than either natural sunlight or fluorescent light
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Did You Know……..
Your client’s hair and skin will appear more green-blue when viewed with fluorescent lighting and more golden when viewed with incandescent lighting
Take caution when handling fluorescent light bulbs; they contain dangerous substances, including mercury
Be careful not break fluorescent bulbs, and dispose of used bulbs properly Brought to you by
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