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. That’s what makes us better. That’s what makes us Natural Rapport.