Vayro hOZON-Pro is a topical treatment made with bio-peroxidized ozonated sunflower oil and essential oils of tea tree, oregano, and cinnamon. The PerOzon-Key™ formula is a stabilized blend of highly concentrated ozonated oils (>3000 IP), providing strong antimicrobial, antiviral, antifungal, anti-inflammatory, and healing properties. Format: 10 ml