Top, Middle and Base Notes – Essential Oils

Essential oils are divided into three categories, based upon how rapidly they evaporate. These are top notes, middle notes and base notes.

  • Top notes last 2-4 hours.
  • Middle notes last approximately 6 hours.
  • Base notes last 1-2 days.

We believe these “notes” also correspond roughly to the three jiao of the human body. Jeffrey Yuen corresponds them to different levels in the body, as far as Wei Qi, Yin Qi and Yuan Qi. You can look at it from that perspective too. However essential oils are the ling Essence” of the plant. We believe they provide “Yuan Qi” to whatever points and meridians to which they are applied