Description Protect sensitive areas from pests with Farnam SWAT Fly Repellent Ointment. This easy-to-apply horse fly repellent helps prevent flies from biting sores, scratches, wounds, and other sensitive areas on your horses, ponies, or dogs. Details Suitable for sensitive areas: Ointment can be applied by hand for spot treatment of sensitive areas including around wounds, sores, and hard-to-reach areas. Effective pest protection: Repels house, stable, face, and horn flies in stables, barns, and in the pasture. Powerful formula: This horse fly control ointment is effective against flies for hours after application. Active ingredients: Effective formula contains Pyrethrins .2%, Piperonyl Butoxide .5%, and Di-n-propyl Isocinchomeronate 1%. Safe for use: Suitable for use with horses, ponies, and dogs.