Hantox Shampoo contains Pyrethroid [(1R,3R)-3(2,2-dibromovinyl)-2,2-dimethylcyclorpropane carbocylate(S)-α-cyano-3-phenoxybenzyl] active ingredient, which does not contain organic phosphorus, thus it is less toxic, has prolonged efficacy, high effectiveness, and is safe for humans and pets.