Parasiticide Shampoo Active Ingredient(s): d-trans Allethrin 0.12% *Piperonyl Butoxide, technical 0.50% Inert Ingredients 99.38% Total 100.00% *Equivalent to 0.4% of butylcarbityl (6-propylpiperonyl) ether and 0.1% related compounds. Indications: A routine cleansing and deodorizing shampoo to restore natural luster to the hair-coat of dogs and cats, and to kill fleas.