Lemon was originally a small thorny evergreen tree native to India. It is now common in Southern Europe, Florida and California.
A light yellow
Lemon has been historically recognized as a cleanser. It is recognized as being antiseptic, and as having refreshing and cooling properties. Research has also shown lemon essential oil to enhance the ability to concentrate.
The fruit was well known in Europe by the middle ages, and Greeks and Romans were advocates of its therapeutic properties. Lemon essential oil reached the height of its fame when the British began using the citrus fruit to counteract the effects of scurvy.
Non-toxic, but may cause skin irritation in some. Lemon is also phototoxic and should be avoided prior to exposure to direct sunlight.