Dual Injector Pro by 4T Medical 😍 The Dual injector pro is a lifting/tightening and transdermal delivery system that introduces active formulations into the skin without breaking the skin as with traditional injections, giving instant and visible results. This is achieved through the unique dual technology (RF Electroporation) that lifts the skin and pushes nutrients deep into the skin, which would otherwise not be absorbed because of the typology and dimension of their molecules. What is RF ?