KAZACHSTANIA/CITRUS JUNOS FRUIT EXTRACT FERMENT FILTRATE
Conditioning Agent
Moderate
About KAZACHSTANIA/CITRUS JUNOS FRUIT EXTRACT FERMENT FILTRATE
A fermented yuzu citrus extract using Kazachstania yeast, offering brightening benefits but carrying residual photosensitization risk.
Detailed Analysis
Kazachstania (a genus of yeast similar to Saccharomyces) ferments Citrus junos (yuzu) fruit extract, preserving vitamin C and aromatic citrus esters while potentially reducing some citrus oil sharpness. However, yuzu essential oil and some citrus juices contain furanocoumarins such as bergapten, which are regulated under EU Annex III due to phototoxicity concerns. Fermentation may partially degrade furanocoumarins but is unlikely to eliminate them entirely. Products containing this ingredient may require EU allergen labeling for limonene and linalool if present above threshold.
What It Does
Skin Benefits
- ✓ Vitamin C antioxidant and brightening
- ✓ Citrus bioflavonoid anti-inflammatory support
Known Concerns
- ⚠ Furanocoumarin photosensitization risk from citrus component
- ⚠ Potential EU allergen labeling for citrus-derived limonene
Safety Score
Moderate
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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