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fermented botanical extract

RICE FERMENT LEES

CAS -
75

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

Sake lees fermentation residue, traditionally used in Japanese skincare for brightening and softening; delivers amino acids and organic acids, with moderate evidence supporting humectant and mild exfoliating action.

Skin benefits

  • rich in amino acids and organic acids
  • kojic acid and pitera-type metabolites
  • humectant
  • mild exfoliation
  • traditional Japanese skincare history

Known concerns

  • variable composition between batches
  • fermentation by-products poorly characterized
  • potential mild irritation from organic acids
  • no standardized actives

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Same plant / compound family

78
RICE FERMENT FILTRATE
Skin Conditioning
 70
RICE FERMENT FILTRATE/PERSICARIA TINCTORIA LEAF FERMENT FILTRATE
Skin Conditioning
 78
RICE FERMENT LEES VESICLES
Fermented botanical extract (vesicles)

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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.