Bobbex Deer & Rabbit Repellent is a topical, proven effective foliar spray used to deter and prevent deer from browsing and causing other damage to ornamental plantings, shrubs, and forest trees. Bobbex is environmentally-friendly, formulated from all natural ingredients that are beneficial and totally innocuous to plant development. The active ingredients are a series of proteins, making the product extremely safe for use on the most sensitive plantings, and are harmless to all wildlife including humans, pets, birds and aquatic life. Bobbex works by smell and taste aversion, and is classified a fear repellent.