For dirty ears, ZYMOX Ear Cleanser combines protein, enzymes, and surfactants to gently cleanse. For those ears with a build-up of exudate, ZYMOX Ear Solution provides two options with the patented combination of enzymes: ZYMOX Ear Solution with added 0.5% Hydrocortisone for itch relief and ZYMOX Ear Solution that can be used for a longer duration and is great for pets sensitive to corticosteroids.​