... fibers hyperplasia, make the treated area skin tighten and elasticity. How does ZERONA work?ZERONA employs a device called an Erchonia Laser ... process, leaving you with a sexier, re-contoured shape. Does it hurt?Patients may experience a mild sensation of warmth ... the procedure, but the procedure is totally pain-free. How long does Zerona laser treatment take?Patients are typically treated six times ...