Tea Tree essential oil the therapeutic properties of tea tree oil are antimicrobial, antiseptic, antiviral, balsamic, bactericide, cicatrisant, expectorant, fungicide, insecticide, stimulant and sudorific. The aroma of the oil is warm, spicy, medicinal and volatile. It is occasionally used to scent spicy colognes and aftershaves. Tea tree oil is very benefical for immune system, as it acts as a immuno-stimulant and increases the body's ability to fight off any infections, while it also is used to revive the mind and body after shock. Tea tree essential oil is also used with great effectiveness to ward of infections of any kind, and it is active in all three varieties of infectious organisms: bacteria, fungi and viruses.