The Eucalyptus genus is made up of over 660 species of shrubs and trees of the Myrtaceae family, native to Australia and other nearby islands. Eucalypti are commonly known as gum trees and can reach up to 90m, with bluish bark and leaves covered in oil-bearing glands that maintain a blue shade until they mature into a yellowish hue.

- Refreshing
- Cooling
- Toning

When inhaled, the sharp, refreshing aroma of eucalyptus is often associated with a feeling of clarity and balance. The oil is used for its cleansing and cooling properties on the skin, and is commonly used in formulations with insect-repelling benefits. Eucalyptus may also help support the skin barrier and help retain moisture, making it suitable for dry skin.

Used by the indigenous people of Australia for centuries for its antiseptic properties, the eucalyptus plant and its derivative were later introduced in England under the name of 'Sydney Peppermint'. The oil quickly became popular for its soothing action for respiratory complaints, thanks to a constituent called cineole, a powerful expectorant.

Lush source eucalyptus oil from China. The leaves go through a process known as rectification, or double distillation. This produces the purest version of eucalyptus oil, with a concentration of 80% eucalyptol (the aromatic compound responsible for the oil’s well-known scent) in every batch.