Say goodbye to stuffy noses with Olbas Oil 12Ml. This natural decongestant oil helps to unblock even the most congested noses with its powerful vapours. Simply add a few drops to a handkerchief for instant relief, or try inhaling the vapours from a bowl of hot water for a more intense effect. Olbas Oil is made from natural essential oils and is suitable for both day and night use. Its easy-to-use formula requires just a few drops for effective relief from congestion.