It sounds to me like you're talking about a platysmal band(s) which are the vertical bands running from the chin down onto the neck????  If so, consider having your dermatologist inject a little Botox into the band.  I know it's counter intuitive but the Botox will often cause the band to relax and pop back up into it's proper position.  It's worth a try since it's the least invasive option.  Dr. I