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Surfactant

DISODIUM METHYLENE DINAPHTHALENESULFONATE

CAS 26545-58-4 / 14857-90-0 Updated
50

Safety score · 0–100

Moderate

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

About

A naphthalene-sulfonate based dispersant used to keep pigments and hard-to-dissolve ingredients in suspension. Naphthalene chemistry raises sensitization and impurity concerns, so we keep this in the orange tier.

Function

SURFACTANT - HYDROTROPELIGHT STABILIZERSURFACTANT - CLEANSING

Skin benefits

  • Dispersant for pigments
  • Solubilizer in aqueous systems
  • Texture stabilizer

Known concerns

  • Naphthalene-class sensitization potential
  • Possible residual naphthalene/aromatic-amine impurities
  • Sparse cosmetic safety 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 — always read the physical product label and consult a healthcare professional for personal concerns.