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Antioxidant

DISODIUM HYDROXYSULFINOACETATE

CAS 29736-24-1 Updated
65

Safety score · 0–100

Fine

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

About

A sulfinate-class reducing agent (disodium hydroxysulfinoacetate) used to protect oxidation-sensitive ingredients and stabilize hair-treatment chemistries. Generally low-toxicity but can trigger reactions in sulfite-sensitive users.

Function

REDUCING

Skin benefits

  • Stabilizes oxidation-prone actives
  • Useful in hair-care reduction chemistries
  • Compatible with most surfactant systems

Known concerns

  • Possible reactions in sulfite-allergic users
  • Strong reductants can affect skin proteins
  • Sparse recent toxicology data

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.