Solvent
SODIUM TOLUENESULFONATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An anionic hydrotrope and viscosity reducer based on toluene sulfonic acid. Improves clarity and texture of surfactant systems; mild skin irritant in concentrate but acceptable in dilute rinse-off products.
Function
Skin benefits
- Effective hydrotrope; improves product clarity
- Reduces viscosity in surfactant systems
- Generally well tolerated in rinse-off
Known concerns
- Mild skin irritation at high concentrations
- Limited functional benefit beyond formulation aid
- Standard purity caveats for aromatic sulfonates
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.