It's gentle enough for sensitive areas of skin such as under your arms although you may need to apply natural deodrants more often the others. Patchouli is known to deeply relax the nrevous system. This is an essentail oil to use when it's time to lie back and fall asleep or when you want to sit quietly in meditataion and let your mind snd body harmonize in a peaceful way. The essenatial oil ages very well - so much so that vintage or aged patchouli is a popular variation of oil.