ANTI-DEPRESSANTS ROSE OIL: "Therapeutically, this scent does have a potent anti-depressant effect and may be used, via face and body massage, skin care, baths, or vaporizers to treat nervousness, sadness, or long-term stress." LAVENDER: "The balancing properties of lavender can correct emotional problems and feelings of instability. Its calming effect will induce a restful sleep - try a drop of lavender oil on your pillow or into an evening bath." NEROLI (oil of the orange blossom): "Neroli ... is one of the most suitable essential oils to use for nervous tension, insomnia, and stress-related illnesses as it has a very positive calming influence on mind and body." My book urges caution when using the oils as they are very potent and may therefore cause a skin rash (it does say, however, that lavender is "the only oil that can be safely applied undiluted to the skin"). It is suggested to put a drop or two into 3 tablespoons of carrier oil (such as a neutral odor light vegetable or nut oil) for a massage, or else 2 to 4 drops of oil(s) to a warm bath and soaking for 10 minutes. Another suggested use is as a room freshener - use a clay or ceramic vaporizer to heat water with, or near, the oil. An easy way to make a room freshener with essential oils is to wet a cotton ball with the essential oil and place it in a room or cupboard to scent the area. (For maximum effect, place somewhere warm such as behind a heater or fireplace.) I would also add to this list geranium oil which has both a calming and uplifting effect, and clary sage which helps with clarity of thought. Using these oils in a vaporizer is very effective.