Angels? Eyes is developed specifically for BOTH DOGS & CATS. 100% wheat corn, soy, & dye free! Can be used in all breeds, both shedding and non-shedding 100% of Angels' Eyes ingredients are products of the USA Special all natural enhanced anti-tear stain formula specifically developed for both dogs and cats for unsightly tear stains from the inside out! Angels? Eyes PLUS never adds food dyes, wheat, corn, or soy which may have negative effects on your pet.