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Tea Tree
Melaleuca alternifolia
Australia
Traditional Uses
Traditionally used by Aboriginal Australians for wound care, skin infections, coughs and respiratory ailments
Modern Research Uses
Strong evidence for acne, dandruff, fungal infections and minor skin infections; widely used in dermatology
Mechanism of Action
Terpinen-4-ol disrupts microbial cell membranes, producing broad-spectrum antibacterial and antifungal activity while reducing inflammatory mediators
Body Systems Affected
Prep & Administration
Toxicity Notes
Skin, Immune, Respiratory
Essential oil, Topical oil, Leaf extract
Moderate
Essential oil should not be swallowed; may cause skin irritation or allergic dermatitis in sensitive individuals
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