Skin Conditioning
BACILLUS/POLYGONUM TINCTORIUM LEAF FERMENT EXTRACT FILTRATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A fermented filtrate of Japanese indigo leaf. Provides soothing and antioxidant compounds; popular in K-beauty. Generally safe with limited published data.
Function
Skin benefits
- Fermented Japanese indigo extract
- Skin-soothing and antioxidant claims
- Source of indirubin and amino acids
- Bioavailable form of indigo actives
Known concerns
- Limited public safety data on the ferment filtrate
- Indigo actives can be photosensitive in some forms
- Possible mild colour staining
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related skin conditionings
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.