Discovering the Scents of Rosemary, Eucalyptus and Cajuput Essential Oils

Rosemary, eucalyptus and cajuput have scent similarities due to their key constituents or compounds when inhaled independently and their scent differences become more distinct when you compare and inhale them side-by-side.

Rosemary essential oil offers a sharp pungency at first whiff. The scent jolts the senses, almost like a wake-me-up. Cajuput offers up a milder scent and is less pungent, reminding you of herbal or medicinal oils. Eucalyptus Radiata doesn’t have the sharpness of rosemary or the herbal smell of cajuput but a soft sweetness not found in either cajuput or rosemary.

Then again, freshly crushed rosemary also smells very different from rosemary essential oil! Don’t worry that you’ve bought the wrong essential oil when you detect this difference.

Our local GCMS (Gas chromatography-mass spectrometry) lab testing reports show that the percentage of the 1,8-Cineole compound in our essential oils are 53.02% (rosemary), 51.23% (eucalyptus radiata) and 57.31% (cajuput). The percentage of 1,8-Cineole (which is also known as eucalyptol) is almost the same across all three essential oils that we sell which is why you may mistake one oil for another.

Cajuput and rosemary essential oils contain almost similar percentages of another compound, camphene [0.8% for cajuput and 1.0% for rosemary], which gives these oils that camphor aroma. Another compound – beta-pinene – is also found in both rosemary and cajuput essential oils. Beta-pinene is responsible for the fresh pine-like smell in both oils. Finally, there’s linalool in eucalyptus (2.31%) and rosemary (1.3%) which gives you a floral lavender-like scent. This is why at first sniff these three essential oils smell like each other!

Rosemary essential oil which is extracted from the leaves of the rosemary plant is beneficial for hair growth and itchy and dry scalp. It also strengthens the immune system and stimulates blood circulation. Take a sniff of rosemary essential oil whenever you need to clear your mind or think better and this is why it works for headaches and migraines. Other uses include treating skin dryness and bad breath.

Cajuput essential oil is extracted by steam distillation from the buds, leaves and twigs of the Cajuput tree (melaleuca cajuputi) and is in the same family as eucalyptus, clove and tea tree (don’t confuse cajuput with tea tree oil though). If you are looking to fight infections, scabies and skin fungal infections, try cajuput. The cajuput essential oil has expectorant, tonic and antiseptic properties making it a good oil to use if you wish to remove mucus, increase perspiration and reduce fevers. It is also an effective solution to getting rid of insects and mosquitoes in your home – just spray or diffuse.

Eucalyptus Radiata essential oil (Narrow-Leaved Eucalyptus) with its invigorating, crisp, and purifying scent comes from the evergreen tree that is native to Australia. The tree has fragrant leaves and can grow up to 300 feet! Its essential oil is one of the most versatile among the many variants of the eucalyptus plants as it has a significant eucalyptol or 1,8-Cineole content and imparts a refreshing camphor-like aroma to any room when diffused. At Soap Cart we sell three types of eucalyptus essential oils and each has its own aroma profile!

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