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Humectant

SODIUM STEAROYL HYALURONATE

CAS 222400-51-3 Updated
88

Safety score · 0–100

Good

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

About

Hyaluronan modified with a stearoyl lipid group for better skin affinity and longer-lasting hydration. Combines the well-known safety of hyaluronic acid with improved oil-phase compatibility.

Function

HAIR CONDITIONINGSKIN CONDITIONING

Skin benefits

  • Long-lasting skin hydration
  • Improved skin affinity vs plain hyaluronan due to lipid tail
  • Compatible with both aqueous and oil-rich formulas

Known concerns

  • No significant concerns at cosmetic concentrations
  • Slightly more expensive than plain sodium hyaluronate

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.