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STEARYL ETHYLHEXYLDIMONIUM METHOSULFATE

70

Safety score · 0–100

Fine

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

About

Stearyl Ethylhexyldimonium Methosulfate is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

Functionally very similar to stearyl ethylhexyldimonium chloride (id 28900), this ingredient uses methosulfate as the counterion rather than chloride, which can reduce the ingredient's irritant potential slightly. It functions as an antistatic and hair-conditioning agent. Not individually listed in EU Annex II or III. The methosulfate anion is considered low in toxicity. Standard quaternary ammonium safety assessments apply; typical use levels are 0.5–5% in rinse-off hair care products.

Skin benefits

  • Antistatic and conditioning properties
  • Imparts softness and gloss to hair
  • Reduces combing damage

Known concerns

  • Mild skin and eye irritation possible at high concentrations
  • Not individually regulated in EU cosmetic legislation

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.