Aroma ~ Fresh and spicy aroma. Extracted ~ by steam distillation.Part Used ~ the leaves.Country of Origin ~ AustraliaChemical Constituents ~ Terpinen-4-ol, g-terpinene, a-terpinene.Uses ~ Particularly useful as an anti-septic and disinfectant oil, Tea tree helps stimulate the immune system as well as killing pathogenic organisms. Useful in skincare for spots and blemishes and fungal infections such as athletes foot.Organic Certificate ~ This Essential Oil is certified Organic by the Soil Association which means you can be sure that it has been produced to the highest ethical and environmental standards. The Soil Association"s standards exceed the UK government"s minimum requirements for organic products in many areas but particularly in animal welfare, GM and the use of pesticides. Standards are constantly reviewed to ensure they deal with current issues.