Critter Ridder 8 oz Concentrate Animal Repellent 3143 Repels by taste and odor-not offence to humans Contains oil of black pepper, peperine and capsaicin One application lasts up to 30 days EPA Registered, OMRI Listed and compliant for use in organic gardening Ideal animal repellent for landscaped areas, lawns and gardens, ornamentals, garbage cans, and bird feeders.