Antimicrobial
LACTOBACILLUS/TEA TREE LEAF EXTRACT FERMENT FILTRATE
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 fermented by Lactobacillus — gentler than neat tea tree oil but still carries antimicrobial terpenes. Generally well tolerated; tea tree allergy and oxidation-driven sensitization keep it in the Fine band.
Function
Skin benefits
- Antimicrobial terpinen-4-ol activity
- Mild antibacterial/antifungal support
- Probiotic-style ferment metabolites
- Reduced harshness vs neat tea tree oil
Known concerns
- Tea tree compounds can sensitize and cause contact dermatitis
- Oxidized tea tree material is more sensitizing
- Composition varies with ferment batch
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.