earthbath® No Chew Spray is formulated with bittering agents that help deter your dog from destructive chewing behaviors. Naturally, this product is alcohol and paraben free, gentle on skin, and extremely bitter to the taste. Spray on areas (including paws, itchy skin, hot spots, tail) and repeat as needed until the unwanted behavior is gone. Safe for dogs over 6 weeks old. Not for use on cats.