Eye Envy Tear Stain Facial Cleanser will aid the removal of unsightly tear stains from cats. This tearless formula contains 30ppm Colloidal Silver - a natural antibacterial, which mimics the properties of antibiotics - and works in conjunction with the Eye Envy Tear Stain Remover Solution Cats/Dogs and Tear Stain Remover Powder to speed up the tear removing process.