Surfactant
OCTOXYNOL-9 CARBOXYLIC ACID
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An ethoxylated alkylphenol carboxylic acid surfactant. The octylphenol backbone is an ECHA-listed endocrine disruptor and largely phased out in EU consumer products — use is fading on environmental grounds.
Function
Skin benefits
- Surfactant useful in technical cleansing
- Compatible with hard water
Known concerns
- Octylphenol parent has well-documented endocrine activity
- Slow biodegradation, persistent in environment
- Banned/restricted under EU REACH for many uses
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 — always read the physical product label and consult a healthcare professional for personal concerns.