Patchouli essential has a deep earthy smell and has many amazing properties such as uplifting your mood, strengthening your hair, promoting youthful skin, deodorizing odors and deterring insects.
It is also commonly used as a base note in perfumes.
All Simply Earth essential oils are certified pure and go through GC/MS testing to confirm they contain no additives or fillers as well as confirming the chemical constituents of the oil.  You can view test results for your oil batch at simplyearth.com.