Safer's(TM) Critter Ridder is a granular repellent that rids wildlife and stray pets from your property. This ready-to-use repellent contains long-lasting granules that work to repel animals by overwhelming their sense of smell and taste. Repels raccoons, skunks, dogs, cats, squirrels, and groundhogs. Uses oil of black pepper, piperine, and capsaicin to keep critters away, it repels both by odour and by taste. Each application lasts up to 30 days and should be applied with a lawn spreader or by hand.