Fractional RF systems induce both ablation and coagulation. Small pins are placed on the surface of the skin and emit radiofrequency energy into the epidermis. The radiofrequency energy creates heat in the skin and at the same time ablates small channels in the epidermis while creating coagulation around the small ablation channels, stimulating a wound healing response. All this is done fractionally (in small spots), which has great effects but does not require much time for the skin to heal.
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