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ThermiDry Injectable RF for Armpit Sweating

This is the most effective non-surgical single session treatment for armpit sweating. Thermi-Dry heats up the sweat glands to a temperature which damages them permanently, ending up with a dry armpit.

It’s performed under local anesthesia, and takes about an hour.

Some swelling and soreness is expected during the following week, which will resolve uneventfully.

Thermi Dry is the ultimate solution for people who are tired of being injected on the armpits 2-3 times a year.


While other non-surgical devices try to make an indirect effect in the subcutaneous tissues by a probe that lies above the skin, the Thermi Dry system delivers radio frequency energy directly into the target subcutaneous tissue by a needle-probe which is inserted through the skin.

This probe heats the target tissue up to the target temperature, initiates the biologic events that lead to tissue contraction, but avoids uncontrolled heat by monitoring the tissue temperature 12 times in a second.

Simultaneously, the skin temperature is monitored by an external thermal camera, and any unwanted skin temperature rise is avoided.


The Thermi-RF system, which has been developed by the American Thermi Aesthetics company, is currently the most effective technology for armpit sweating.

It is the only system that has an FDA clearance and scientific background for all the mentioned treatments.

How Does the System Work?

The operation principle of the system is based on heating the target tissue up to a particular temperature by means of radio frequency energy, and triggering some biological rejuvenation events.

Depending on the targeted effect, this heating can tighten facial&neck subcutaneous tissues, melt unwanted fat, break cellulite bands, discard unwanted sweat glands, and sometimes inactivate some nerves on purpose.

Target temperatures vary depending on the purpose, and the system provides a 100% safety against iatrogenic thermal burns, by checking the tissue temperature 12 times per second.


  • Thermi Dry Thermi-RF applications are done in only one session.
  • It does not require general anesthesia, can be comfortably performed under local anesthesia under sterile conditions.
  • Downtime is very short and smooth.
  • Continuous temperature monitoring avoids any user fault, with a complication rate of almost 0%.
  • For patients who do not want to be operated, or cannot be operated due to health conditions, this can be considered as an effective alternative.