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melvinismybear
New Member
 
Joined: 05 Jul 2007
Posts: 8
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Fri Jul 06, 2007 8:26 am  |
| Lisey wrote: |
I'm using mine on my face and tummy.  |
The following is an excerpt from skinspatula dot com/FAQs.htm
6. Why can't I feel your Ultrasonic Health & Beauty Devices get hot or vibrate during usage?
-We commonly encounter the following question at Tradeshows, "How come our ultrasound probes are not hot and the vibrations cannot be felt when one puts their skin against the surface?" The answer is simple; ultrasound waves do NOT generate heat or induce thermal changes at the surface (neither the skin nor the probes). The principle behind Ultrasound Therapy is that ultrasound waves penetrate the skin to warm the area underneath it to achieve its purpose (the depth of penetration is dependent on the intensity level of the probe, i.e. 1-3 MHz). Additionally, therapeutic ultrasound waves at the correct frequencies are only supposed to produce microcavitation/microvibration causing deep micro-heating locally, which is VERY rarely felt by the client/patient. Additionally, the physical effects of both microcavitation/microvibration are not generally perceptible to touch either. Therefore, ultrasound probes that are noticeably hot and/or vibrate are definite signs that the energy output level is too strong and thus will not provide beneficial results. Unfortunately, this is the case all too often as most of the less expensive ultrasonic devices currently available in the marketplace (commonly manufactured in China) fall into this category. If a burning sensation or pain occurs during or after a treatment using an ultrasound probe, immediately stop using the device because the device has not been calibrated correctly and is not within the FDA safety guidelines. It is important when shopping for an ultrasound device, to make sure that the distributor knows the exact specifications of their products.
Additionally, NEVER use the 1 MHZ ultrasound on your face area. It is too powerful (short wavelength is more powerful than longer wavelengths such as 2 and 3 MHZ)
Using the 1 MHZ on facial areas may damage the facial nerves!!!! |
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