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ThermiRF is the name of the machine itself. This machine can be used to perform the ThermiTight procedure where a small puncture site is made, anesthesia is injected, and then a small probe is gently passed just under the skin delivering the RF energy deeply to the tissue. ThermiSmooth is entirely non-invasive and uses a different probe to deliver the same type of energy on top of the skin, heating the tissue topically.
ThermiTight is quite tolerable. It is minimally invasive and performed under local anesthesia with very little downtime. Some slight redness and swelling is expected but lasts only a day or two. It is always nice to have a day or two off after a procedure like this though. Most patients are able to return to normal activities after 24 hours.
Thermage and ThermiTight are similar in that they both use radiofrequency energy to induce skin tightening but that is about where the similarities end. Thermage is non-invasive and uses an external applicator pressed up against the skin to deliver the energy from the outside. ThermiTight is minimally invasive, and delivers the radio frequency energy via a probe that is inserted under the skin. After the treatment site is appropriately anesthetized a small puncture is made to the side of the treatment area and then the probe is slowly passed under the skin to be tightened.
Thermi procedure results are modest in comparison to the results of a surgical intervention like a facelift. Modest results are perfect for someone with only mild to moderate skin laxity.
Like many of the devices that use heat to tighten the skin, the results are not immediate. They can take several weeks to a few months.
The answer depends slightly on what the starting point is and just how much tightening would be required. The ThermiTight procedure is a little more invasive than ThermiSmooth, but good results can be seen after just one treatment. Of course, for those that do not get the response desired it could be repeated but generally multiple treatments are not required. ThermiSmooth, which is less invasive, may require 5-6 treatments for best results.