Favorably field-tested by a variety of dog lovers and professionals to help improve your dog's outdoor comfort when insect pests such as mosquitoes, flies, fleas, ticks and no-see-ums are present.
See Buzz Guard review by Examiner.com

Size: 2 fluid oz.

Directions: Spray onto your hands and massage the dog’s outer ears, back of head, abdomen and legs; or spray on a bandana placed around the dog’s neck.

Ingredients: Water, polysorbate 20; neem seed oil; pure essential oils of citronella, fir, geranium; rosewood, basil, myrrh; potassium sorbate.