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Mainstays Tea Tree Essential Oil is a 15 mL bottle of Melaleuca alternifolia oil, the standard tea tree species, sold for diffuser use. It has the green, cool, medicinal scent people expect from tea tree, and it blends well with eucalyptus, lemon or peppermint. It is a straightforward single-note oil rather than a pre-made blend, so it suits shoppers who want one oil to dilute or mix themselves. Rivals at this level are similarly simple; the difference is mostly bottle size and whether the label states the species, which this one does.
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Rated 4.6 out of 5 from 372 ratings, buyers mostly report a clean, true tea tree scent that works well in a diffuser. Complaints center on the sharp medicinal smell and the small bottle.
Mainstays Tea Tree Essential Oil is made with Melaleuca alternifolia, also identified as Tea Tree Oil (Melaleuca). It has a green, cool, purifying aroma with a crisp, botanical character. It is meant for everyday aromatherapy.
To use it, add the oil to water in an oil diffuser to scent a room. It can be used on its own or blended in a diffuser with eucalyptus, lemon or peppermint.




