Antimicrobial
MELALEUCA ALTERNIFOLIA LEAF EXTRACT
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Tea tree leaf extract — well known for fighting blemishes. Effective and well studied, but oxidized terpenes can sensitize skin so storage matters.
Function
Skin benefits
- Antimicrobial and antifungal
- Helpful for blemish-prone skin
- Backed by clinical literature
Known concerns
- Oxidized tea tree constituents are known sensitizers
- Skin allergy possible at higher concentrations
- Endocrine concerns flagged in some animal studies at high doses
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related antimicrobials
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.