Antimicrobial
MELALEUCA ALTERNIFOLIA FLOWER/LEAF/STEM EXTRACT
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Tea tree extract, well-known for antimicrobial action especially in acne care. Effective at low levels, but oxidised tea tree is a recognised allergen and the SCCS has urged use-level limits.
Function
Skin benefits
- Antimicrobial against acne-relevant bacteria
- Anti-inflammatory terpinen-4-ol
- Long-standing topical use
Known concerns
- Recognised contact allergen at higher concentrations
- Oxidised terpenes increase sensitisation risk
- Pediatric safety concerns at high doses
- EU SCCS opinion calls for limits
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related antimicrobials
Same plant / compound family
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.