Ear Nerve Formula (B B) Alcohol by Dr. Christopher 2 oz Liquid Ear Nerve Formula contains Black Cohosh BlueCohosh Blue Vervain Skullcap and Lobelia in a base of 36-42 puregrain alcohol. A synergistic blend of herbs for the overall nervous system. Thiscombination is commonly used for ear applications. Be sure to clickon the learn more link and click on Ear Nerve formula to gainmore knowlege on the use of this formula.