Plant Profiles
Tea Tree Leaf
Melaleuca alternifolia
Latin Name
Melaleuca alternifolia
Herb Class/Action
• Antimicrobial
• Antifungal
• Antiseptic
• Immune-stimulant
• Anti-inflammatory
Parts Used
Leaves (typically steam-distilled into essential oil)
Flavors
Sharp, camphorous, bitter (used externally or aromatically)
Energetics
Cooling, drying, dispersing
Traditional Benefits
Native to Australia, tea tree leaf has been used for centuries by Aboriginal people to treat wounds, skin infections, and respiratory complaints. Crushed leaves were traditionally applied as poultices or infused in water for topical washing. Today, it remains a cornerstone of natural first-aid and skin care.
A Natural Allergy Ally
Tea tree’s anti-inflammatory and antimicrobial qualities make it ideal for addressing skin reactions, allergic acne, and fungal flare-ups. It helps reduce itching, swelling, and microbial buildup caused by allergen exposure.
A Herb for Seasonal Support
Especially supportive during damp, warm seasons when fungal and bacterial imbalances are more common, tea tree promotes skin clarity and respiratory health while protecting against seasonal pathogens.
How It Works
Tea tree leaf is rich in terpinen-4-ol, a compound responsible for its potent antimicrobial action. It disrupts the membranes of harmful microbes, fights infection, reduces inflammation, and helps dry out pimples, fungal patches, and wounds. It also activates immune defenses when used in topical blends.
Best Ways to Use It
Tinctures/Extracts: Not taken internally—used exclusively in topical or aromatic preparations.
Herbal teas: Not recommended; essential oil is far too concentrated for ingestion.
Topical applications: Apply diluted in a carrier oil or in salves for acne, fungal infections, bug bites, or minor wounds. Also useful in scalp treatments and foot soaks.
Fun Fact
During World War II, tea tree oil was issued in Australian military kits as a natural disinfectant and wound cleaner—so valued that workers in its production were exempt from military service.
A Herb for Modern Use
Tea tree leaf is a must-have for natural first aid and skincare. From blemishes to bug bites, it purifies, protects, and restores—making it a powerful ally for every herbal cabinet.