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Humectant

ACETYLNEURAMINIC ACID

CAS 131-48-6 Updated
90

Safety score · 0–100

Excellent

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

About

N-Acetylneuraminic acid (sialic acid) — a natural amino sugar that locks in moisture and reinforces the skin barrier. Endogenous to human glycoproteins; extensively studied and very safe in cosmetic use.

Function

SKIN CONDITIONINGSKIN PROTECTING

Skin benefits

  • Deep moisturization
  • Barrier reinforcement
  • Surface smoothing
  • Bio-identical

Known concerns

  • Sourcing variability
  • Cost limits use level

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.