>>5330415>>5330566>>5330574>>5330580California climate appears to have caused some issues with the paint on the head. The heads are vinyl vs the hard plastic used for the rest of the body, so the paint can, for lack of a more technical explanation, turn wet again in the heat and humidity.
Try putting it in a cool, dark, dry, dust-free place place for couple of days.
And yeah, Action Portable was mind-blowing back in 2011/2012 but nowadays they're pretty poor compared to other 6" lines.