Nonionic surfactant
NONOXYNOL-11
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Nonoxynol-11 is a polyethoxylated nonylphenol surfactant. Effective at emulsifying, but ethoxylates may bring 1,4-dioxane traces and the parent nonylphenol class is regulated as an environmental endocrine disruptor.
Skin benefits
- Effective nonionic surfactant
- Emulsifies oils into water
- Improves product texture
Known concerns
- Potential 1,4-dioxane contamination from ethoxylation
- Nonylphenol breakdown is an endocrine disruptor
- Restricted in EU detergent products
- Aquatic toxicity from degradation products
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related nonionic surfactants
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.