Fido's Fleatrol Plus is a quick dry, natural origin insecticidal spray suitable for dogs, cats and their environments. Natural Pyrethrins are the active ingredient, which control fleas and adult brown dog ticks on your pet for up to seven days, and assist in flea control of pet bedding and households. It prevents fleas from producing fertile eggs for up to six weeks after treatment. Fleatrol Plus is safe for daily use in cats and dogs. Use only as directed on the label.