Being stuck indoors with nothing but a blocked up nose for company is miserable so olbas oil to the rescue just a few drops on a handkerchief is all it takes to fill a room with powerful olbas vapours perfect for night time relief and sweet dreams for a really intense olbas experience put a few drops of olbas oil in a bowl of hot water lean over it and cover your head with a towel its enough to liberate the most stubbornly blocked noses and there39s more to olbas oil than p