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Skin Conditioning

LACTOBACILLUS/STREPTOCOCCUS THERMOPHILUS/SOYBEAN FERMENT FILTRATE

CAS -
68

Safety score · 0–100

Fine

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

A dual-bacteria ferment of soybean used for conditioning. Generally well tolerated; soy allergen status is the main caveat, plus mild phytoestrogen content.

Skin benefits

  • Soybean ferment is rich in isoflavones, amino acids and peptides
  • Dual-strain Lactobacillus/Streptococcus fermentation is well established in food
  • Marketed for barrier support and conditioning

Known concerns

  • Soy is a known allergen — patch testing recommended
  • Phytoestrogen content (isoflavones) may concern sensitive users
  • Limited cosmetic-specific safety review

References

EU

EU CosIng database

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

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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.