Solvent
SODIUM NAPHTHALENESULFONATE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A naphthalene-derived sulfonate hydrotrope — helps dissolve poorly soluble ingredients in water-based formulas. Mostly industrial; carries irritation and environmental concerns.
Function
Skin benefits
- Hydrotrope solubilization
- Reduces surface tension
Known concerns
- Skin/eye irritation potential
- Limited cosmetic safety review
- Naphthalene-class environmental concerns
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related solvents
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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.