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Humectant

OBLONGICHYTRIUM SP. PB-55 POLYSACCHARIDES

72

Safety score · 0–100

Fine

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

Polysaccharides from a marine thraustochytrid microbe used as a hydrator and film former. Class-typical yellow tier; novel but consistent with general microbial polysaccharide safety.

Function

HUMECTANTSKIN CONDITIONINGSKIN PROTECTING

Skin benefits

  • Marine microbial polysaccharide hydrator
  • Film-forming and barrier-supporting
  • Sustainable fermentation source

Known concerns

  • Novel ingredient with limited public safety data
  • Possible endotoxin if poorly purified
  • No CIR/SCCS 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.