Havahart Critter Ridder epels skunks, groundhogs (woodchucks), dogs, cats, and squirrels. Also a very effective raccoon repellent - keeps them from garbage cans. Havahart Critter Ridder animal repellent contains the scent and taste deterrent ingredients of oil of black pepper, piperine and capsaicin. These active ingredients irritate animals when they touch or taste the product. This patented, effective animal repellent is both OMRI listed and compliant for use in organic gardening. The Critter Ridder animal repellent granular shaker canister is perfect for perimeter protection. Sprinkle your lawn, garden path and flower bed or spot-treat ground around other problem areas such as garbage bags, ornamental plants, trees or shrubs. It can also be used indoors ideal for use in potted plants and non-living areas such as basements, cellars, storage areas, sheds and barns. An easy-to-use, effective and economical animal repellent.