Using the Essential Ink Aromatherapy pen with a great essential oil while journaling can help pick up your energy, encourage introspection and invite positive thoughts. Regularly journaling has shown long term positive side effects such as reduction in anxiety and an increase in gratitude and positive thinking. Here are 3 great essential oils to use in your essential ink pen while journaling. FRANKINCENSE – Grounding and calming. It puts you in a great mood to write. CLARY SAGE- Helps create a calming atmosphere. BLUE CYPRESS- Helps calm and south a restless spirit.