Antimicrobial
LEPTOSPERMUM SCOPARIUM BRANCH/LEAF OIL
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Manuka essential oil from New Zealand — prized for strong antimicrobial activity against Malassezia and gram-positive bacteria. Triketone constituents (leptospermone, flavesone) are documented skin sensitizers.
Function
Skin benefits
- Strong antimicrobial activity (especially against gram-positives)
- Antifungal action vs Malassezia and Candida
- Traditional Maori and modern aromatherapy use
- Useful in spot/blemish formulations
Known concerns
- Triketone compounds (leptospermone, flavesone) are documented sensitizers
- Contact-dermatitis cases reported
- Strict use-level capping required
- Not for use on broken or compromised skin
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.