Eye Envy Tear Stain Remover Powder is for Dogs and Cats and is the second step in the tear stain removal process; it is recommended that you use this as an enhancer within the Eye Envy tear stain removal system;Helps repel tears to keep the area dry and prevent the regrowth of tear stain causing bacteria;This externally applied powder is an effective, safe, non-irritating and natural alternative to ingested tear stain removers;Made in the USA and does not contain bleach, cornstarch, or steroids. It is NOT a cover-up;Safe for kittens and puppies over the age of 7 weeks