Product Information-Beaphar Oftal Tear Stain Remover is a safe and delicate solution to remove unsightly tear stains on the fur around the eyes of dogs and cats. The tear stain remover is suitable for all breeds of cats and dogs. Directions for Use- Liberally soak a cotton ball in the solution and gently swab the affected area. Use a clean cotton ball for each eye. Then take up a dry cotton ball and soak up the excess moisture left by the application. To eliminate stubborn stains, you can use the tear stain remover up to 3 times each day for at least a week. As a preventive measure, you may use it 1-2 times per week.