In our reference data, Melaleuca Alternigolia (Tea Tree) Leaf Oil can feed Malassezia (fungal acne).
Tea tree oil is an essential oil derived from the Australian Melaleuca alternifolia plant, valued in skincare for its antibacterial, antifungal, and anti-inflammatory properties, commonly used for acne and minor skin infections. Its primary active component is terpinen-4-ol.
| Reported effect | How often | Notes |
|---|---|---|
| Skin irritation (redness, stinging, dryness) | Common | Especially when applied undiluted or at high concentrations; dilution reduces risk. |
| Allergic contact dermatitis | Uncommon | Sensitization risk increases with oxidized oil; patch testing advised for sensitive skin. |
| Contact urticaria or burning sensation | Rare | Reported in individuals with heightened sensitivity. |
| Systemic toxicity from ingestion | Very rare | Topical use is generally safe; oral ingestion can cause ataxia and CNS effects and should be avoided. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.