Dermoline Insect Shampoo is a deep-cleansing shampoo that removes scurf, grease, and ectoparasite debris, keeping your horse’s coat clean and healthy. Powerful clarifying action Eliminates build-up from scurf and grease Helps control ectoparasites Active ingredients:Piperonyl Butoxide (100%) 0.088% w/w as Piperonyl Butoxide. Pyrethrum Extract 0.04% w/w (Pyrethrins 0.01% w/w)