3.4oz | 100ml. LUMION mist will purify, hydrate and calm your skin as a daily on-the-go rescue. The star ingredient HOCL naturally occurs in your white blood cells which helps to defend your body from harmful bacteria and inflammation. Applying HOCL to the skin activates an immune boost that helps the skin take itself back to its natural state. HOCL is antibacterial and antiviral. LUMION Miracle Mist is approved by the National Eczema Association.