No Natz™ Bug Repellent No Natz™ Bug Repellent has been proven not only to repel but heal existing bites. The spray repels gnats, no-seeums, mosquitoes, biting flies and red bugs. Does not contain DEET*, and contains all-natural ingredients including: Rosemary Oil, Lemongrass Oil, Coconut Oil, and Lavender. A trial by a large number of Jeffers employees came back with 100%, “yes it really works!” Larger 32 oz size for livestock, horses and dogs. No Natz™ Bug Repellent Key Benefits: repels gnats, no-seeums, mosquitoes, biting flies, and red bugs heals existing bites does not contain DEET contains all-natural ingredients Jeffers tested, and employees approve! *DEET is a pesticide used in many insect repellents.