Rosmarinus officinalis leaf oil (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 08.06.2022

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CAS number: 84604-14-8 / 800; Rosemary aetherolum; Rosemary oil; Rosemary Oil

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Rosmarinus officinalis leaf oil (from Rosmarinus: lat. ros (Tau) marinus (sea) = sea dew) is obtained from Rosmarinus officinalis, an evergreen, intensely fragrant semi-shrub from the labiate family (Lamiaceae), which reaches a height of 0.5 to 2.0 m. Rosmarinus officinalis is distributed wild in the western and central Mediterranean. Rosmarinus officinalis leaf oil refers to the extract from the leaves of the plant.

The pure rosemary essential oil is distilled from the flowering herb of the plant, which has been dried beforehand. Depending on the type of plant, 50 to 80 kilograms of the herb are needed to obtain 1 litre of pure rosemary essential oil.

The primary step in obtaining the pure essential oil is steam distillation. The distilled oil can be used immediately and does not need any further treatment. The by-product is rosemary hydrolate, a water that smells of rosemary, which after the formation of water vapour is deposited during steam distillation.

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The pure, essential rosemary oil consists of numerous ingredients. The following substances are among the most important known ingredients: monoterpenes, borneol, ketones, camphor, cineol, phenols, thymol, sesquiterpenes, camphene, monoterpenols, pinene, linalool.

Field of application/use
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The leaf extract is used in cosmetic formulations. It has skin conditioning (keeps the skin in good condition) and masking (reduces or inhibits an undesirable inherent odor or taste of the product, keeps the skin in good condition) effects.

Raynaud's syndrome: Topically applied rosemary oil has been shown to have a vasodilator effect in Raynaud's syndrome and is recommended as an adjunctive measure (von Schoen-Angerer T et al 2018).

CHD: Dosage form: As an ointment with 6-10% essential oil, massage in several times daily. Monopreparations are not available. Combinations with camphor are useful e.g. Cor-VelĀ® Truw heart ointment (camphor, menthol, spruce needle oil). Rub 1-2 cm long ointment strand daily in the heart area, massage in radiating pain on the underside of the left forearm.

Furthermore, rosemary oil has antiseptic, antibacterial and antifungal effects.

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  1. Schilcher H (2015) Phytopharmaceuticals for cardiovascular and vascular diseases. In: Guide to Phytotherapy. Urban and Fischer Publishing House Munich, S. 412

  2. by Schoen-Angerer T et al (2018) Effect of topical rosemary essential oil on Raynaud phenomenon in systemic sclerosis. Complement Ther Med 40:191-194.


Last updated on: 08.06.2022