Serving Size:One Teaspoon (4.9 mL) Active Ingredients: Usnea barbata Lichen Extract (1:1) 4.9mL Other Ingredients:Grain alcohol (30%) and purified water. Botanical Name: Usnea barbata Lichen 1:1 Vegetarian Formula Gluten Free Hypoallergenic BLICN2 Professional Formulas