surfactant
NONOXYNOL-2
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Nonoxynol-2 is a nonylphenol ethoxylate surfactant. These compounds are endocrine disruptors that degrade to persistent, bioaccumulative nonylphenol and are heavily restricted in the EU under REACH.
Skin benefits
- Acts as a nonionic surfactant and emulsifier
- Solubilizes oils in aqueous formulations
- Inexpensive workhorse ingredient in rinse-off products
Known concerns
- Nonylphenol ethoxylates are endocrine disruptors of high concern
- EU restricts nonylphenol ethoxylates under REACH Annex XVII
- Persistent and bioaccumulative environmental pollutant
- Degrades to nonylphenol which is toxic to aquatic life
- Banned or heavily restricted in many cosmetic markets
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related 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.