Manuka Oil (Leptospermum Scoparium) (organic) Manuka is a plant indigenous to New Zealand. This East Cape Manuka oil is an excellent addition to our cleansing scrub.It stabilizes and relaxes the skin, is gentle and soothing on dry, irritated skin, is especially helpful for sensitive skin, and helps combat body odour. Manuka is in the tea tree family but is 33 times higher antibacterial than tea tree and is present in both our deodorants.