Repels: Mosquitoes - Gnats - BlackFlies - Ants...even Ticks Herbal Supplement Completely Safe Researched/Tested Herb Bug-X repels all biting insects more effectively than any other natural repellent. It is completely safe for all ages and also pets. Safe for babies skin and also safe to breathe and swallow. Herbal Bug-X is also a natural insecticide. Great for repelling ants. One application works for up to three hours. May be used frequently.