Absolute Aromas Blended Prevention Essential Oil (10ml). Buy essential oils online Ireland. The natural alternative to defend, protect and boost immunity.. A fantastic blend of essential oils that can help to defend and protect, naturally.. Our Prevention essential blend contains a mixture of Tea Tree, Cajeput, Ravensara and Niaouli, all of which are 100% pure and undiluted.. Essential Oils: Eucalyptus Globulus Leaf Oil, Citrus Grandis (Grapefruit) Peel Oil, Citrus Limonum (Lemon) Peel Oil, Melaleuca Viridiflora (Niaouli) Leaf Oil, Mentha Piperita (Peppermint) Oil, Ravensara Aromatica Oil, Melaleuca Alternifolia (Tea Tree) Leaf Oil, Eugenia Caryophyllus (Clove) Bud Oil, Pinus Sylvestris (Pine) Cone Oil, Helichrysum Angustifolium Oil.