Have you used Frankincense in your diffuser, yet? It has properties that make it an enhancer and this means it helps any and all the other oils it blends with work EVEN BETTER.
Frankincense and citrus oils will keep things happy and productive. Frankincense and herb oils will help things stay focused and reduce anxious feelings. Frankincense and other wood oils will keep the air clean and air passages happy.
Tell me your favorite diffuser combinations in the comments!