Confused about the difference between Laser and LED based skin photo rejuvenation? - Part 1
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by: Stanley Stanbridge
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Like many new technologies the
use of light for photorejuvenation purposes
generates a lot of confusion about what is best, how it works, why it works,
and the difference between the different devices out there. In past articles I’ve addressed some of the
above points however what I’d like to accomplish in this series of articles is
to clear up or remove the confusion surrounding lasers with regards to laser skin treatment and LED photo rejuvenation for the skin.
In Part 1, I’ll focus on laser, pun intended!
We hear a lot about lasers these
days, they’re in the news, talked about on the Internet, offered as facial
treatments etc., but what is a laser?
Well, the word itself is actually an acronym, coined in the 1960’s, and
stands for, “Light Amplification by the
Stimulation of Emitted Radiation,” but don’t let those big words put you off.
Let’s put that mouthful in very simple terms; lasers are devices that bounce
light around in a tube that has mirrors at each end. The mirror at the end
where the light exits is half the strength of the mirror at the opposite end of
the tube. This allows the light to easily pass through making it a very focused
beam. The surface area covered by this laser beam is very focused, and
generally covers an area as small as a pinpoint and up to 3/16th on
an inch when used in a photo
rejuvenation device.
We read that Lasers are hot and
can be used in industry to cut or burn through very hard materials, they’re
used in dentistry now instead of drills, they’re used in medicine during
surgery to cut and cauterize tissue and they can even be used as weapons by the
military. So if they are that powerful how can they be used safely on the skin?
Well, in the case of laser skin
treatment, these lasers are used in very short bursts and feel like a
rubber band snapping against the skin. When used in such short bursts, they
cause micro injuries to the skin, that the body has to heal, resulting in fresher
looking skin.
As a final note, realize there
are different kinds of lasers, some are “Hot” and some are “Cool”. For the purposes of this article we’ll limit
our discussion to cool lasers. These
lasers produce no heat and when applied to the skin they cause an effect by
stimulating the metabolism of the skin cells through the process of photo
stimulation. This in essence is LED
photo rejuvenation.
In Part II we’ll discuss LED’s as
a light source for skin photo
rejuvenation.
About the Author
A native of Vancouver, Canada, Dr. Stanley Stanbridge is a graduate of the Los Angeles College of Chiropractic. He has always been actively seeking out new and innovative technologies related to the field of alternative healthcare. Dr. Stanbridge began investigating the benefits of light therapy in 2003 and went on to co-develop the revolutionary LightStim photo rejuvenation device. For more information please visit http://www.lightstim.com
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