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Skin Conditioning

BIOSACCHARIDE GUM-4

CAS 905593-86-4
78

Safety score · 0–100

Fine

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

A microbially-fermented polysaccharide used for moisture retention and skin-microbiome support. Generally well-tolerated; safety dossier mostly supplier-held.

Function

SKIN CONDITIONING

Skin benefits

  • Polysaccharide film for moisture retention
  • Skin-conditioning and soothing
  • Skin microbiome support (marketed)
  • Compatible with sensitive skin

Known concerns

  • Limited public peer-reviewed safety dossier
  • Marketed by single supplier
  • Efficacy claims supplier-driven

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.