Skin Conditioning
ASPERGILLUS/CASTANEA CRENATA PELLICLE FERMENT EXTRACT FILTRATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A koji-style ferment of chestnut pellicle (the inner skin) using Aspergillus — releases polyphenols and organic acids from a food byproduct. Generally fine, but Aspergillus ferments need tight mycotoxin QC.
Function
Skin benefits
- Polyphenols released by fermentation
- Skin-conditioning organic acids
- Upcycled food byproduct
- Mild brightening
Known concerns
- Possible mycotoxin carryover from Aspergillus if QC is poor
- Limited cosmetic safety literature
- Tree-nut origin allergen risk
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.