According to http://www.nytimes.com/1994/09/11/nyregion/cuttings-the-castor-bean-plant-so-striking-so-poisonous.html?pagewanted=1 http://www.nytimes.com/1994/09

According to http://www.nytimes.com/1994/09/11/nyregion/cuttings-the-castor-bean-plant-so-striking-so-poisonous.html?pagewanted=1 http://www.nytimes.com/1994/09/11/nyregion/cuttings-the-cast... "Wayne Armstrong, a botany instructor at Palomar Junior College in San Marcos, Calif., said ricin is 6,000 times more poisonous than cyanide and 12,000 times more poisonous than rattlesnake venom." So don't eat your eyeliner :)