The plant and oil have a number of claimed health benefits in herbal folk-lore, and its scent is used with the aim of inducing relaxation. Chinese medicine uses the herb to treat headaches, colds, nausea, diarrhea and abdominal pain. Patchouli oil can be purchased from mainstream Western pharmacies and alternative therapy sources as an aromatherapy oil.

Patchouli is also in widespread use in modern industry. It is a popular component in perfumes, including more than half of perfumes for men[citation needed]. Patchouli is also an important ingredient in East Asian incense. It is also used as a scent in products like paper towels, laundry detergents, and air fresheners. Two important components of the essential oil is patchoulol and norpatchoulenol.