Laser frac3 3d and t3 skin rejuvenation non ablative 2in1 treatment the laser fotona nd yag frac mode aimed from the surface of the skin and penetrates deep into the dermis to cause collagen remodelling and stimulation of new collagen as a fractional technique frac3 has a distinct advantage over conventional two dimensional fractional treatments in that not all of the targeted skin tissue is uniformly thermally affected or removed frac3 is non ablative and leaves the maximum