Using taste and scent deterrents Critter Ridder is the humane solution you need to keep animals away from areas you want to protect. This 2 lb shaker can contains granules that are made from a mixture of piperine capsaicin and oil of black pepper. This combination provides repellent action against a number of nuisance animals including raccoons groundhogs skunks chipmunks dogs cats and squirrels. Each treatment lasts about 30 days and you can use it outdoors as a perimeter treatment around gardens on your lawn inside trash cans and inside indoor spaces that aren t living areas such as sheds and garages. Critter Ridder is OMRI Listed and compliant for use in organic gardening making it an ideal choice for homes with kids and pets.