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Skin Conditioning

ROTHIA KRISTINAE FERMENT EXTRACT FILTRATE

Updated
68

Safety score · 0–100

Fine

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

About

A ferment filtrate from Rothia (Kytococcus) kristinae, a skin-commensal bacterium. Used to condition and protect through postbiotic metabolites; rare opportunistic infection literature in immunocompromised users keeps it in cautious yellow.

Function

SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Skin commensal microbial support
  • Postbiotic conditioning
  • Mild barrier benefits

Known concerns

  • Rothia/Kytococcus species are rare opportunistic pathogens in immunocompromised
  • Limited cosmetic dossier
  • Strain QC critical

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 — always read the physical product label and consult a healthcare professional for personal concerns.