Lemon-scented eucalyptus oil is derived from the lemon-scented gum tree, also known as Corymbia citriodora.

Lemongrass essential oil is derived from the lemongrass plant, which is native to Asia.

Orange essential oil is derived from the peel of the orange fruit. It has a sweet, citrusy scent and is commonly used in aromatherapy.

Peppermint essential oil is extracted from the peppermint plant, which is a hybrid of watermint and spearmint.

Pine essential oil is derived from the needles of various pine trees, such as the Scotch pine and the Siberian pine.

Rosemary essential oil is derived from the rosemary plant, which is native to the Mediterranean region.

Tea tree essential oil is derived from the leaves of the tea tree plant, which is native to Australia.

Thyme essential oil is derived from the thyme plant, which is native to the Mediterranean region.