Contains Pyrethrins, Derived from a Chrysanthemum Flower. Earth Options by raid House & Garden Insect killer may be used indoors or outdoors as a contact spray for flying and crawling pests commonly found in and around the home. Earth Options by Raid House & Garden Insect killer contains Pyrethrins, Derived from a Chrysanthemum Flower to give fast and effective kill of German Cockroaches on contact. Pyrethrins also will "flush" hiding German Cockroaches, which then allows you to spray them for immediate contact kill. Questions? Comments?