Critter Ridder Animal Repellent by Havahart Effectively repels by taste, scent and touch. Safe for use around kids, pets and wildlife. OMRI Listed and compliant for use in organic gardening. EPA registered and third party tested to be effective on nuisance animals. All-natural, active ingredients, including: oil of black pepper, piperine and capsaicin. Repels 7 nuisance animals — skunks, groundhogs, dogs, cats, squirrels, chipmunks and raccoons. Ideal for landscaped areas, lawns & gardens, ornamentals, garbage cans and bird feeders. One application last up to 30 days.