A face so cute it makes your heart melt, but a breath so bad it makes your eyes water? SMELLY CAT chews are designed to freshen breath and reduce fecal odor in cats. Champex™ brand Champignon Mushroom is extensively studied for its ability to suppress odor-causing chemicals in the intestines.These delicious chews deodorize while supporting toxin removal. With fresher breath and a fresher litter box, your guests will wonder where your cat went.