Lemon Essential Oil has a powerful fresh traditional lemon fragrance that is quite energizing and uplifting. Lemon essential oil is a good choice to diffuse when trying to clear a room of the smell of cigarettes smoke or other unpleasant aromas.
Limonene is the naturally occurring chemical constituent within Lemon essential oil that gives it its distinctive lemony aroma. There are a few other non-citrus essential oils available that include limonene naturally and feature a lemony aroma. Lemongrass and lemon myrtle essential oils both include noteworthy concentrations of limonene.
Cold pressed Lemon Essential Oil is phototoxic. Steam distilled Lemon Oil is not phototoxic. Tisserand and Young recommend a dermal maximum of 2.0% for the cold pressed oil to avoid the risk of a phototoxic reaction. They precaution to avoid topical use of Lemon Oil, regardless of method of distillation, if it has oxidized. Reading Tisserand and Young's full profile is recommended. [Robert Tisserand and Rodney Young, Essential Oil Safety (Second Edition. United Kingdom: Churchill Livingstone Elsevier, 2014)