A lawsuit against Mars, the company that would make Skittles, points to titanium dioxide in the sweet. The ingredient is a single of 1000’s of additives permitted in meals under federal restrictions. Mark Lennihan/AP cover caption toggle caption Mark Lennihan/AP A lawsuit against Mars, the corporation that would make Skittles, points to titanium dioxide in the sweet. The component is one of 1000’s of additives permitted in meals under federal laws. Mark Lennihan/AP A California guy, who promises Skittles sweet is made up of a “recognised toxin” that helps make it “unfit for human usage,” is suing the manufacturer, Mars. That ingredient — titanium dioxide — is just just one…