Tea-Tree Oil, Witch Hazel, Chlorhexidine Gluconate and Dioctylsodium Sulfosuccinate gently cleans, disinfects and deodorizes the ear canal. Contains no alcohol. Ear Therapy is also an effective treatment for fungus and yeast infections – it quickly eliminates the foul smell that yeast infections produce. And, unlike many competing products, it contains no alcohol to harm delicate tissues.