We prepare our Usnea Extract from various species of Usnea lichens which have been Custom Wildcrafted in their native habitat. To assure optimal extraction and concentration of Usneas usnic acid and other bioactive compounds we custom extract the lichens with our special double-extraction process. Ingredients: certified organic grain alcohol and Usnea extractives. Suggested Use: Shake Well Before Using. Two to five times per day take 30 to 40 drops in a little water. Caution: Keep Out of the Reach of Children.