Prioderm lotion contains the active ingredient malathion, which is an organophosphorous insecticide that kills parasites such as head lice, pubic lice and scabies mites.

• 该去头虱洗液含有一种杀虱有效活性成分，这种成分属于一种可以杀死象头虱，阴虱，疥疮等微小寄生虫的含磷杀虫剂。