Happy Horse 14-Day Sweat Resistant Fly Repellant Horse Spray

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Happy Horse 14-Day Sweat Resistant Fly Repellant Horse Spray can help to keep flies from bugging your horse. Where other fly sprays need frequent reapplication, this unique formula is designed to provide up to 14 days of fly control with one application, so flies will buzz off. This spray targets all of the most common—and most irritating—flies and insects, including horseflies, stable flies, deerflies, gnats and mosquitoes. The spray both repels and knocks down flies. It stays active after a rainfall and while a horse sweats, so you don’t have to worry about frequent reapplications.

Key Benefits
  • Long-lasting fly control designed to keep working for up to 14 days.
  • Helps to repel and knock down common pests including horseflies, houseflies, stable flies, face flies, horn flies, deerflies, gnats and mosquitoes.
  • Helps protect your horse from insects that transmit West Nile Virus.
  • Sweat- and water-resistant.
  • Contains 1 percent cypermethrin.

See all items by Happy Horse

  • Item Number
  • Dimensions
    4.825 x 2.875 x 11.375 inches
  • Weight
    2.25 pounds
  • Product Form

Cypermethrin, Isopropyl Alcohol.

  • Be sure to shake the bottle well before each application—the ingredients sometimes settle on the bottom.
  • Starting by spraying the horse’s legs and working your way up to the body. Avoid delicate areas such as the face and genitals.
  • Spray the product on a soft cloth and wipe it gently under his eyes—but not above them. For extra protection to the ears (if you're not using a fly bonnet), spray the fly spray onto a soft cloth and massage the inside and outside of the ears.
  • It is important to use an adequate amount of spray to provide optimal protection. Your horse should be damp to the touch immediately following the fly spray application. 
Rating: 1.0 of 5 stars 2 Reviews 2 Reviews 1 out of 5 Stars

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  • 1 out of 5 stars

    Does not last 14 days

    By S2021 on Jul 16, 2020

    The product seems to work immediately after putting it on but within 2-3 hours no longer works. It's no different than every other fly spray out there. I'm not sure how they get away with advertising it last 14 days. I followed the directions and really hoped this would work. Not worth it in my opinion.

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  • 1 out of 5 stars


    By QHMom on Jun 5, 2020

    I purchased this because during the pandemic, we boarders are only allowed to see our horses 4 times a week and I was hoping this 14-day fly spray would help keep my horse comfortable when I couldn't be there at the barn. I sprayed this on my horse and within 2 minutes, the flies were back and all over his legs. I tried spraying him again, and the flies returned again with 2 minutes. If the flies can't stay off my horse for 2 minutes, then they are definitely not going stay off of him for 2 weeks.

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