Profound RF is a needle based radiofrequency device. Small pairs of needles are inserted into the dermis and heat is applied to the skin in order to achieve a target temperature that damages, but does not destroy collagen. Damaged or denatured collagen invites a strong healing response from the body, resulting in new collagen, new elastin and new hyaluronic acid. The result is younger, more elastic skin. An alternative needle configuration is available that can be used to treat the subcutaneous fat and loose connective tissue that is found in cellulite. The company's web page claims a 100% response rate, which is not a 100% satisfaction rate. They do this I believe to distinguish themselves from Ultherapy and Thermage, which are known to have a certain percentage of non-responding patients. I have had good success with Profound RF, especially when I have combined it with other minimally invasive procedures to achieve a synergistic effect.