*6.3.10 Tea tree*

The essential oil of the tea tree is obtained from the leaves and stem of *Melaleuca alternifolia* and shrub of *Camellia sinensis.* The oil is toxic if ingested directly and it is used mostly for the external purposes and has the herbal, fresh, and slightly camphorates aroma. Melaleuca claims that essential oil of tea tree act as an antimicrobial agent, treating antifungal infections, and cleansing wounds. It is used in cosmetics products including the shampoo to clear some scalp conditions and dandruff and used for the treatment of insect bite to reduce itching and inflammation [26].
