No more toxic chemicals, sprays, or drops DERMagic"s Flea Dust, made from food grade diatomaceous earth, is the perfect companion to the very popular organic Flea Shampoo Bar, which kills fleas and lice while leaving the coat and skin shining, healthy, and smelling great DERMagic"s Flea Bar kills fleas on your dog and deters them from jumping back on, while the new DERMagic Flea Dust, with its handy sprinkletop, safely kills fleas in the pet"s bedding, carpet, furniture, and wherever your pet hangs out. You can even put it directly on your pet