Antimicrobial
SACCHAROMYCES/DRYOPTERIS CRASSIRHIZOMA ROOT FERMENT EXTRACT FILTRATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Male-fern (Dryopteris) root fermented with yeast — releases phloroglucinol-type compounds with antimicrobial and conditioning effects. The plant has known oral toxicity in concentrated extracts; topical risk is much lower but data is thin.
Function
Skin benefits
- Phloroglucinol-derived antimicrobial activity
- Skin conditioning effects
- Probiotic-style ferment metabolites
- Traditional medicinal heritage
Known concerns
- Dryopteris contains filicin/phloroglucinols with reported toxicity in oral high-dose use
- Topical exposure is much lower but cosmetic dossier is thin
- Sourcing/composition variability
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.