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Thickener

SODIUM SULFATE

CAS 7727-73-3 / 7757-82-6 Updated
82

Safety score · 0–100

Good

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

About

Common inorganic salt — used to thicken sulfate-based cleansers and as a mineral in bath salts. Safe and inert at cosmetic use levels.

Function

BULKINGVISCOSITY CONTROLLING

Skin benefits

  • Viscosity adjuster in surfactant systems
  • Inert and inexpensive
  • Used in bath salts for mineral feel

Known concerns

  • Drying at high % in cleansers
  • Possible salt sting on broken skin
  • Eye irritation in concentrate

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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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.