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ISOSTEARETH-10 STEARATE

80

Safety score · 0–100

Good

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

About

Isosteareth-10 Stearate is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Isosteareth-10 Stearate is a polyethylene glycol ether of isostearyl alcohol esterified with stearic acid, with 10 moles of ethylene oxide. It functions as an emulsifier and emollient in oil-in-water emulsions, providing rich texture and stable formulations. The branched isostearyl chain offers excellent spreadability and a non-greasy feel. CIR reviews of ethoxylated alcohols and stearic acid esters support safety at typical cosmetic concentrations. Standard 1,4-dioxane monitoring applies for ethoxylated ingredients.

Skin benefits

  • Rich, luxurious emollient feel
  • Stable emulsification
  • Non-greasy spreadability
  • Skin smoothing

Known concerns

  • Potential trace 1,4-dioxane from ethoxylation
  • Should not be used on damaged skin
  • May enhance penetration of co-formulated ingredients

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.