Gill's Opto Clean Pet Eyes is particularly suitable for eliminating yellow spots around dogs' eyes. To properly use Gill's Opto Clean, soak some product on a cotton flake and gently dab the area around the eyes. After use, dab the affected area with non-wet cotton to absorb excess moisture. To remove stubborn stains, apply up to three times a day for at least one week. As a preventive measure, 1 or 2 times a week. 50ml