Essential Oils Club

Eucalyptus (Eucalyptus radiata)

Steam-distilledLeavesAustraliaSeed to Seal quality

A crisp, camphoraceous single oil steam-distilled from eucalyptus leaves, known for its clean, airy character.

How to use it

Safety. Eucalyptus is high in 1,8-cineole — dilute before topical use and avoid application near the face of infants and young children.
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In the diffuser

3–5 drops alone, or with peppermint and tea tree for a sharper morning blend.

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In the shower

A drop or two on the shower floor, away from direct water, lets steam carry the aroma.

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On skin

Dilute well before topical use — it can irritate sensitive skin, especially in children.

Safety in detail

Max dermal use
Dilute well before topical use
Phototoxic
No
  • High in 1,8-cineole: never apply near the face, nose, or chest of infants and young children — it can cause breathing problems.
  • Never ingest eucalyptus oil; even small amounts can be toxic, especially to children.
  • Dilute before topical use — it can irritate sensitive skin.
  • Keep out of reach of children.

Sources: Balacs (1997), International Journal of Aromatherapy

Composition & chemistry

1,8-Cineole (eucalyptol) 75%α-Pinene 9%Limonene 5%p-Cymene 3%Aromadendrene 2%Other minor constituents 6%
  • 1,8-Cineole (eucalyptol) 75%
  • α-Pinene 9%
  • Limonene 5%
  • p-Cymene 3%
  • Aromadendrene 2%
  • Other minor constituents 6%

Typical Eucalyptus globulus leaf oil; the 1,8-cineole fraction varies by species and is much lower in citriodora and dives types.

Source: Jerbi et al. (2017), Journal of Essential Oil Bearing Plants

Chemotypes

  • E. globulus — The common, high-cineole (~65–85%) type — strong, camphoraceous, the classic 'eucalyptus' smell.
  • E. radiata — Also cineole-rich but softer and gentler in aroma; often preferred for everyday diffusing.
  • E. citriodora (lemon eucalyptus) — Dominated by citronellal, not cineole — lemony scent, a different oil in practice.
  • E. dives (peppermint eucalyptus) — A piperitone/phellandrene type — low in cineole, not interchangeable with globulus.
Its 1,8-cineole is the same compound found in many familiar chest rubs and throat lozenges.

What the research says

An honest read of the published research — what has actually been studied, at what stage. Not medical advice or a promise of results.

  • 1,8-cineole (eucalyptol), eucalyptus's main constituent, has been studied for respiratory support — for example a randomized trial in acute bronchitis reported symptom improvement. Promising but specific to the isolated compound and single conditions, not proof the oil treats illness.

    Fischer & Dethlefsen (2013), Cough
  • Safety reviews specifically warn against applying cineole-rich eucalyptus near the faces of infants and young children, where it has caused breathing difficulties.

    Balacs (1997), International Journal of Aromatherapy

Evidence & sources

Peer-reviewed research on Eucalyptus's chemistry and safety. These describe composition and documented effects — not health or treatment claims.

  1. Eucalyptus globulus oil is overwhelmingly 1,8-cineole, which defines both its aroma and its studied respiratory effects.

    Jerbi et al. (2017), Journal of Essential Oil Bearing Plants
  2. Cineole-rich eucalyptus carries a documented safety caution around the faces of infants and young children.

    Balacs (1997), International Journal of Aromatherapy

Frequently asked questions

Is eucalyptus oil safe for babies and young children?

Cineole-rich eucalyptus should never be applied near the face, nose, or chest of infants and young children — it can trigger breathing problems. Keep it out of reach and never let a child ingest it. Balacs (1997), International Journal of Aromatherapy

What's the difference between the eucalyptus types?

E. globulus is the strong, high-cineole classic; E. radiata is softer and gentler; E. citriodora (lemon eucalyptus) is citronellal-based and smells lemony; E. dives is a low-cineole piperitone type. They aren't interchangeable. Jerbi et al. (2017), Journal of Essential Oil Bearing Plants

Can eucalyptus help with a stuffy chest?

Its main compound, 1,8-cineole, has been studied for respiratory symptoms with some positive results. Many people find diffused eucalyptus makes breathing feel easier, but it isn't a substitute for medical treatment. Fischer & Dethlefsen (2013), Cough

Found in these blends

Eucalyptus is one of the oils inside 1 Young Living blend.

Ready to try Eucalyptus? Shop on Young Living →