Shots - Health News Eye Makeup Used To Protect Children Can Poison Them Instead November 22, 2013 When an Afghan toddler in Albuquerque was tested for lead at preschool, the child's blood levels were off the charts. A baby's brother's was, too. Why? It turns out that kajal, a traditional eyeliner used by the family, was 54 percent lead. It's a reminder of the health hazards posed by traditional cosmetics.