Citrus limon

The lemon tree (Citrus limon or limonum) is a shrub with persistent and glossy dark green leaves, also called "English lemon tree", which belongs to the large Rutaceae or citrus family.

  • Bath

  • Dermal application

  • Oral route

  • Respiratory route

Extremely powerful and phototoxic, the essence of Citrus limonum must never be applied pure on the skin or before exposure to the sun. The perfumes that contain it can leave dark stains that are hard to remove in those cases. Hepato-renal tonic, care should be taken concerning drug interactions when using for more than a few days (contraceptive pill, anticoagulants, chemotherapy, etc.). For cooking, one or two drops of essential oil are enough to perfume a dish for five to six persons.

Do not use in: pregnant or breast-feeding women, children under the age of three years, persons allergic to one of the components (geraniol, linalool, limonene), persons with asthma without the advice of an allergologist before the first use.

Air cleansing
Diffuse 20 drops over an hour using a diffuser (soft heat or cold spray).

Difficult digestion
Pour 2 drops of lemon essence (or 1 drop of lemon essence and 1 drop of essential oil of peppermint) on a neutral tablet or small sugar lump. Allow to melt in the mouth after meals.

Place 2 drops of lemon essence in a teaspoon of olive oil or honey, on a neutral tablet or small sugar lump every morning for fifteen days.

Travel sickness, nausea
Take 1 drop of lemon essence on a neutral tablet, a sugar lump or a spoonful of honey before leaving. Repeat during the trip, if necessary (six times per day maximum).

Bad breath, disinfection of the mouth
Pour 1 to 2 drops of pure lemon essence (or essential oil of tea tree) on the toothpaste.


Its genus includes one hundred and sixty species. Its leaves which contain translucent glands, release a strong fragrance when crumpled. Its fruits are present on the tree throughout the year, with peaks in March-April and October-December. Citrus limon is derived from the natural hybridisation between citron (Citrus medica var. vulgaris), lime (Citrus limetta) and grapefruit (Citrus paradisii). Showy to the eyes and astringent to the palate, lemons have a temperament that leaves no one indifferent. Its marked personality can be annoying: the press gives the "lemon award" to a particularly awkward politician. An old popular Greek song says: "Say, do not smell so strong, my little scented lemon, or I will get mad!" It is a native of ancient Media, between the Tigris and the Caspian sea. Virgil, in The Eclogues, considered it capable of "softening the stinking breath of the Medes and "soothing the pulse of trembling elders". Crusaders called lemons the "Median apple" and it was taken on board as an anti-scurvy treatment by Arab navigators two centuries before Christopher Columbus crossed the Atlantic in his caravels.


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