 She died. It poisoned her. A test found that the stuff mailed from Vietnam can turn a lethal 4% lead. So other things you should not buy on Facebook. Makeup and skincare. How about infant seats, cribs, toys, helmets? USA Today a few years ago found at least 170 listings of products that killed kids. It had been recalled but still listed for sale on Facebook. Especially in Marketplace. Mattresses.