This formula contains soothing herbal extracts, essential oils, and Xylitol to cool, decongest, and invigorate. It helps to nourish and moisturize nasal passages and provides anti-microbial properties to support the health of your sinuses. Aromatic Zinc-Free Neti Wash Plus contains 5 herbal extracts, essential oils of Peppermint, Eucalyptus, and Menthol and other ingredients that mildly cleanse and soothe the sinuses. It also contains Xylitol which research has shown to inhibit the growth of certain types of bacteria.