The eyes have it: crust, staining, and build up! But don't you worry, we got them covered. Not only does our Eye Tear Stain Remover work & work well removing build up & stains caused by tears, saliva & mucus, but what truly makes our Eye Tear Stain Remover different is this: our formulation is gentle for even the most sensitive pet; and without any harsh chemicals in the mix, you can safely use liberally on your pet’s eyes, nose and mouth.