In our reference data, Melaleuca Alternifolia Leaf Essential Oil can feed Malassezia (fungal acne); is a fragrance ingredient.
Tea tree oil is a volatile essential oil derived from Melaleuca alternifolia, valued in skincare for its antibacterial, antifungal, and anti-inflammatory properties. It is commonly used in acne and minor skin infection treatments due to its activity against Cutibacterium acnes and other microbes.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation (redness, stinging, dryness) | Common | More likely with high concentrations or undiluted application. |
Allergic contact dermatitis | Uncommon | Risk increases with oxidized oil; sensitization to components like ascaridole and limonene oxidation products. |
Contact urticaria | Rare | Immediate-type hypersensitivity reactions occasionally reported. |
Systemic toxicity if ingested | Very rare | Oral ingestion can cause ataxia and CNS depression; topical use is not associated with this. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.