Eucalyptus radiata - unsprayed- Australia
This is a great oil for mental stimulation & concentration.
The first oil to reach for in the winter for all respiratory issues and is a strong immune stimulant. Almost all houses in Australia have eucalyptus oil in their first aid chest.
A good way to use eucalyptus (especially when it is old) is to add a few drops to the softener compartment of the washing machine with vinegar and in all cleaning. It is an excellent antimicrobial.
It blends well with other Australian natives, citrus oils, lavender, peppermint, pine rosemary & thyme.
It is steam distilled from the leaves.
It will keep for around 3-4 years after opening if stored with lid tightly closed in a cool, dark area.