Hi everyone, First post here so greetings! I'm trying to figure out what this white clouded discoloration is on the back of this neck: http://lh3.ggpht.com/_g6x_FaiOihI/SPaIFUNXS6I/AAAAAAAAB4Y/uQc8LanfQqs/s720/P1150688.JPG Could someone help me out? Is it just cosmetic or something to worry...