The twigs and leaves of young and more mature trees are distilled for the oil. The more mature trees yield more oil, with better aromatic qualities. The oil has a very fluid consistency, and is a pale clear yellow. Its aroma is fresh, balsamic and agreeable. VitaOils eucalyptus oil is of the highest grade available, meets the worlds highest standards and is both ISO22000 certified and kosher. VitaOils guarantees all of our products 100%. If you are unsatisfied, for any reason, return it to us and we will refund your money or provide a replacement, your choice.