Zymox Ear Cleanser provides a, non-toxic way to manage problem ears. The addition of Lactoferrin and Lysozyme make Zymox Ear Cleanser great for maintenance and prevention. Zymox Ear Cleanser is the only ear cleaner recommended for use with Zymox Otic Enzymatic Solution because it will not interfere with the activity of the Zymox Tree Point Enzyme System. Maintenance ear cleaner Prevention ear cleaner Enzymatic solution Lactoferrin Lysozyme Directions: Flush ear canal liberally. Massage at base of ear. Allow pet to shake head.