Now, a powerful documentary produced and narrated by activist-actor Sean Penn, "The Human Experiment," argues that there are dangers from the "chemical load" in seemingly innocuous household products like cosmetics, deodorant, cleaning fluids, shampoo and even toothpaste.Its world premiere is Sunday, Oct. 6 at the 36th annual Mill Valley Film Festival in California. Breaking … [Read more...] about Sean Penn Film: Human Experiment