Frontline® Pet Care Eye Cleaner is a neutral cleaning solution for the eye area of ​​dogs and cats. Its crystal clear composition imitates natural tears to gently remove dirt and grime. How to use Frontline® Pet Care Eye Cleaner : Sit back and put your pet at ease. Pet it to minimize stress. Use the cleaning solution on a cotton ball or tissue - one for each eye Keep the pet's head still. Start with one eye and gently apply a cotton swab to soften dirt and debris. Operate carefully from the center of the eye outwards. Repeat the treatment on the other eye.