How do I use multiple oils at the same time? Support Updated September 28, 2019 00:43 Follow When applying multiple oils to the same area, use one oil at a time and allow for absorption before applying the next oil. Related articles How do I find out how to use each oil? What are carrier oils and why are they important? What’s the best way to ingest essential oils? How many drops should I use? Are your oils "Therapeutic Grade"? Comments 0 comments Please sign in to leave a comment.