Spectrum Herbal Sinus Relief contains Hyssop traditionally used to provide temporary relief of mucous generated conditions of the upper respiratory tract, nasal inflammation and general cold symptoms. Ingredients: Hyssop, Horseradish, Fenugreek, Elder and Garlic, Ethanol, Purified Water. How to use: Take 3ml (60 drops) in cold liquid such as water or juice, 3 times daily.