http://www.alivingearth.com/Diatomaceous-Earth Diatomaceous Earth, mother natures eco-friendly naturally organic material, has many uses and health benefits for humans, plants, pets, animals, and the earth. It is deadly to bed bugs, fleas, ants, roaches, flies, grain weevils, lice, mites, moths, parasites, termites, slugs, snails and other pests therefore, it is a natural, organic, safe pesticide. When DE gets on the bugs, their outer shell gets scratched and the bugs dry out.