Japanese mint oil (Mentha arvensis var piperascens) is a pure, natural
product that has deep heating and penetrating effects.
It is the partially dementholated, distilled oil of the above ground parts
of Japanese mint.
It is becoming a fairly popular multi-purpose essential oil and a few drops go a
Japanese mint oil is good for spot massage but is not recommended for a full body massage. It seems to have a relaxing, cooling effect on muscles. It is also great in the winter for clearing sinus congestion, whether applied to the chest (in a carrier oil), a few drops in an oil burner or diffuser, or a few drops in a boiling pot of water and inhaled through the steam.