Close up frontal and side views of the neck both at rest and with gritting the teeth would allow for better evaluation of the banding and of the sagging you describe. In general terms, however, ablative procedures, including ablative lasers treatment, of the delicate neck skin carry a significant risk of scar formation. And non-ablative fractional lasers, to date, are far more backed by manufacturer supported marketing hype than hard science. On the other hand, certain interventions, such as Botox for dynamic vertical neck bands (ropey cords) and the use of injectable boosters, like Restylane Skinboosters or Viscoderm Hydroboosters, and bioremodeling injectables, such as Profhilo, have an excellent safety profile for treating crepey, crinkly neck skin, and injectable fillers, such as Belotero Balance can work well for horizontal "necklace" lines. Make sure that you consult with a board certified aesthetic physician and be very cautious when evaluating the use of laser treatments for the neck. Make sure to check out the personal befores and afters of the neck of anyone you are vetting. Best of luck
