Lime oil is most suitable for greasy skin types, helping to control skin blemishes. It is used in skin toners to help refine large pores. Lime oil aromas help with throat infections and colds. Patchouli oil, with its earthy tones, is calming and eases anxiety. Patchouli oil is steam distilled from the dried leaves of a bushy herb which is native to tropical Asia. Interestingly patchouli oil is also used in alcoholic and soft drinks.