Humectant
SACCHAROMYCES/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.
About
A sake yeast ferment lees from pure Saccharomyces cerevisiae fermented rice — a traditional Japanese beauty ingredient (sake kasu) rich in amino acids, brightening compounds and ferment metabolites.
Function
Skin benefits
- Rich in kojic-acid-like brightening metabolites
- Naturally derived amino acids and B vitamins
- Traditional sake lees beauty ingredient with cosmetic heritage
- Skin conditioning and moisture
Known concerns
- Allergy risk for severe rice or yeast sensitivities
- Mild natural pH — generally buffered in formulation
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related humectants
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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.