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POTASSIUM TETRATHIONATE

CAS 13932-13-3 Updated
45

Safety score · 0–100

Moderate

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

About

An inorganic potassium polysulfate salt with mild oxidizing chemistry. Used as a niche reagent in some cosmetic actives; reactive sulfur chemistry and limited safety data keep this in the cautious orange band.

Function

REDUCING

Skin benefits

  • Mild oxidizing/reagent function

Known concerns

  • Skin/eye irritation potential
  • Sparse cosmetic safety data
  • Reactive sulfur chemistry

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.