Orange, Mandarin - Citrus reticulata/Italy, United States/Peel. Although the botanical differences between mandarin and tangerine are slight, the oils expressed from each differ in aroma and are not considered interchangeable in aromatherapy. The floral, neroli-like undertones of mandarin are evocative and sensual. Mandarin is used in combination with other citrus oils in colognes and fantasy-type perfumes. (See Tangerine.) Aromatherapy benefits: uplifting, cheering, sensual.*Orange, Sweet - Citrus sinensis/United States, Brazil/Peel. More sweet orange oil is produced than any other citrus oil. Two kinds of sweet orange oil are available: distilled or expressed. Distilled oil is a byproduct of juice making and has an inferior aroma. It is often used as an adulterant in expressed or pressed oil. Our oil is pressed from the peels of ripe, sweet oranges. It has a lively, fruity, sweet aroma. It is used to scent fruity and eau de cologne fragrances. All citrus oils are quick to deteriorate and should be stored in a cool, dry, dark area in full containers. Aromatherapy benefits: cheering, refreshing, uplifting.