Tea tree, sometimes spelt ti tree, is an essential oil with a pungent, fresh, medicinal aroma which has a slightly spicy, powerful undertone. Although tea tree oil is relatively new to aromatherapy when compared to other essential oils, it is now widely used for its antibacterial, antiseptic and stimulating properties. Tea tree essential oil is extracted from the leaves or twigs of the plant by steam or water distillation. Tea tree essential oil blends well with spice oils, as well as lavender, rosemary, pine, ylang ylang and marjoram. About Amour Natural Amour Natural is a specialist supplier of high-quality, therapeutic products for aromatherapy and body care. Amour Natural offer a range of essential oils, carrier oils, specialist oils, butters, waters and other aromatherapy and body care products suitable for use by therapists, enthusiasts and beginners. Tea tree, sometimes spelt ti tree, is an essential oil with a pungent, fresh, medicinal aroma which has a slightly spicy, powerful undertone.