Bio-Groom Repel-35 Flea and Tick Spray is an easy-to-use spray that helps to protect your best friend from fleas and ticks. This spray helps to control pests for up to 35 days at a time for long-lasting protection that you can forget about. The water-based formula includes both lanolin and aloe, paw-fect for pups who have sensitive skin. It’s non-irritating and is safe for repeated use. This spray includes man-made permethrin that offers residual protection against horn flies, face flies, horse flies, mosquitoes and gnats. It also kills lice and louse eggs, ticks and fleas. Have a horse, too? You can use this spray on both your horse and your dog, perfect before heading out on a trail ride with both your best friends.