Euclens Otic Cleanser, 4 oz. Otic Cleanser is used to cleanse the ear canal of dogs and cats. Euclens Otic removes dirt and debris from the ears, and reduces ear odor. Contains eucalyptus oil, known for its antiseptic effects in treating inflammation It is also useful as a wound irrigation solution, in removing necrotic tissue and allowing for healthy tissue growth For external use only