Easy-to-apply, odor-free insecticidal paste for horses kills and repels face, horn, stable, house, black and bot flies. Provides waterproof protection in just 2 hrs. For full body control, apply 1 gm under each eye, 2 gms on back and 2 gms on each leg below the hock or knee. Do not repeat for 7 days. Safe for foals. Contains permethrin and piperonyl butoxide which slowly release over a period of weeks.