Patchouli is known as the Hippy oil. I find it most useful in skin care blends and don't diffuse it often.
Aroma: Woody, Earthy, Resinous
Properties: Antidepressant, Antiseptic, Aphrodisiac, Cicatrisant, Deodorant, Sedative, Tonic
Body: Acne, athlete's foot, cracked/chapped skin, dandruff, dermatitis, eczema, fungal infections, insect repellent, sores, oily hair/skin, wounds, wrinkles.
Mind and Emotions: anxiety, depression, irritability, Stress, Tension
Blend With: myrrh, sandalwood, geranuim, lavender, clary sage, cypress, lemon, and cinnamon
Skin Care Blend:
Essential Oil Safety: A Guide for Health Care Professionals
The Art of Aromatherapy: The Healing and Beautifying Properties of the Essential Oils of Flowers and Herbs
The Encyclopedia of Essential Oils: The Complete Guide to the Use of Aromatic Oils In Aromatherapy, Herbalism, Health, and Well Being