Thermolysis uses high frequency alternating current. Unlike galvanic electrolysis, which targets the hair growing cells, this method removes hair by destroying the hair follicle.
The treatment uses a probe, which can be rigid or flexible. This probe functions as an electrode when it is inserted into the hair follicle and a high frequency alternating current is passed. Under FDA regulations the frequency has to be around 13.56MHz. The current may be low intensity, applied for 3 to 20 seconds, or high intensity, employed for less than one second - used in the so called flash techniques.
The alternating current generates the heat that destroys the hair follicle. In the process some pain is also caused. The pain can be lessened by using shorter pulses of the flash technique. Forceps are used to remove the congealed hair. Thermolysis is a faster method but shows a higher hair re-growth.
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