Patchouli oil, with its earthy tones, is calming and eases anxiety. The oil is useful for all skin types and is used for healing eczema and dermatitis. Ylang Ylang oil comes from the flowers of a large tree native to Indonesia. Because of its long lasting scent it is used in many expensive perfumes. It is best known for its ability to calm anxiety and frustration. The combination of Patchouli and Ylang Ylang oils has been used for centuries for its aphrodisiac properties.