Fotona 4D is one of the most comprehensive non-surgical facial rejuvenation treatments available today — combining four distinct laser modes to address all layers of the skin. What Is Fotona 4D? Fotona 4D uses two wavelengths — to work from the inside out, stimulating collagen from deep tissue all the way to the surface. The Four Steps SmoothLiftin: intraoral collagen stimulation from inside the mouth. Deep dermal rejuvenation targeting imperfections. Bulk heating for skin ti