?? Eucalyptus Oil contains a compound called cineole- an effective treatment to drain sinus congestion relieving headaches, stuffiness and runny nose. ?? Not only does the cooling effect of Mint Oil soothes, but it also contains menthol that affects the mucous receptors in the nose helping to decongest the nose and clear mucus. A relieving treatment with blends of Eucalyptus, Tea Tree and Mint Oils, to clear up and relieve sinus pressure and congestions.