Poop-Off ® is the number one recommended bird dropping remover in the world. Three years to formulate and three years of testing were needed to guarantee a safe product around all avian species. The product is so safe it is used by the world famous San Diego Zoo, respected avian breeders and bird lovers. Poop-Off ® contains no chemicals, solvents, orange oil, detergent, alcohol or bleach. Safe to use with the bird inside the cage. Non-Toxic & Bio-Degradable. Instantly dissovlve bird poop and associated stains. Safe for use on painted surfaces, walls, and carpeting. Control flow brush head assures even application on perches & cages. Non-Toxic & Bio-Degradable.