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ISOSTEARETH-12

CAS 52292-17-8
82

Safety score · 0–100

Good

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

About

Isosteareth-12 is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Isosteareth-12 is produced by ethoxylating isostearyl alcohol with approximately 12 moles of ethylene oxide, resulting in a more hydrophilic surfactant than Isosteareth-3. The increased ethylene oxide content enhances water solubility and surfactant activity. Per EU Regulation (EC) 1223/2009, this ingredient is not restricted; however, higher ethoxylate chain length can increase the potential for skin irritation in sensitive individuals, particularly in leave-on applications at elevated concentrations.

Skin benefits

  • Strong emulsifying and solubilizing properties
  • Improves foaming and cleansing in wash-off products

Known concerns

  • Increased skin penetration potential with higher EO chain
  • May contribute to irritation in sensitive skin types

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.