Skin Conditioning
ASPERGILLUS/RICE FERMENT LEES EXTRACT FILTRATE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Sake lees (rice ferment leftovers) extract via Aspergillus oryzae — the koji classic. Brings kojic-acid analogs, amino acids and humectant sugars for brightening and conditioning. Centuries of safe food use.
Function
Skin benefits
- Brightening kojic acid and analogs
- Skin-conditioning amino acids
- Humectant sugar metabolites
- Postbiotic peptides
Known concerns
- Aspergillus mycotoxin QC dependency
- Rice-allergen sensitivity in rare users
- Possible kojic-related sensitization
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.