DeerBusters premium liquid, powder and sachet repellents repel deer and rabbits using taste and odor. Ingredients include putrescent egg, garlic and hot pepper. A special rain resistant formulaallows for up to 3 months of residual on all plant types. In May 2008, Deerbusters deer repellents received a 90% approval rating from the National Home Gardening Club member testing program. That's a better approval rating than most other deer repellents on the market today!