1) Effective: Inhalation is one of the most effective ways to get all the therapeutic benefits of essential oils
2) Portable: Keep your pen in your purse, bag or pocket and unlike roller bottles, you don't need to worry about spilling in your purse
3) Economical: The Essential Ink Pen has the feel of a luxury pen, is beautiful, the ink is easily refillable You only need to use a few drops of oil at a time and it will last for weeks in your pen.
4) Personal Space: The Essential Ink Pen does not effect others around you.

Also, it has the feel of a luxury pen, it will be the only pen you want to use! But don't take my word for it, give it a try!