SUPER FLY is a scientifically formulated combination of purified water, organic essential oils, extracted oils, emulsifiers, glycerin, fragrance, vanilla extract and other beneficial ingredients combine for a safe and gentle all-natural insecticide that has been proven to be more effective than anything else on the market! Lasts up to 40% longer than the competition. SUPER FLY contains a combination of organic essential oils that enhance your horses’ coat, combat dryness and promotes shine while repelling and killing annoying insects and discouraging insect feeding patterns. It’s gentle and safe! NO Pyrethrins, Piperonyl Butoxide or Butoxypolypropylene Glycol. DEA/MEA free.