(Vetoquinol) Cerumene Ear Cleansing Liquid helps soften and loosen ear wax accumulation and aids in its removal in dogs and cats. Cerumene contains Squalane 25% in an Isopropyl Myristate-liquid petrolatum base. Fill ear canal with Cerumene and gently massage for several minutes. Use a small bulb syringe to flush gently and thoroughly with clean warm water. Dry by blotting. When used routinely once or twice per month, Cerumene Ear Cleansing Liquid helps prevent ear wax accumulation. Squalane.