Primavera Organic Tea Tree Essential Oil Tea Tree Essential Oil is an all-around oil used extensively in Aromatherapy. It is a powerful remedy to treat skin problems and many of infections. The smell is pungent, typically medicinal and herbal. Tea Tree is very often combined with Conifer Oils and Lemon Oils to create synergistic and (more pleasant) blends. It can be used in a diffuser as an air freshener and is very effective in skin, body and foot care. Often used for acne, fungal infections and candida. Vegan.