Nonoxynol-11
AKA “Nonylphenol ethoxylate, Surfactant
Synthetic
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Ingredient Facts
Nonoxynol-11
AKA: Nonylphenol ethoxylate, Surfactant
Synthetic · Surfactant - Cleansing | Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
A gentle cleanser that helps remove oil and impurities from skin and hair, leaving them fresh and clean.
CAS #
39464-64-7
Form
Liquid
Plant-Derived
Synthetic. Derived from ethylene oxide and nonylphenol, both petroleum-derived chemical compounds. Synthesized through ethoxylation, adding ethylene oxide chains to nonylphenol molecules.
Function
Surfactant - Cleansing | Emulsifying
Benefits
Removes Impurities
Traditional Use
A synthetic non-ionic surfactant developed in the mid-20th century. Used in cosmetics as an emulsifier and solubilizer in various skincare and cleansing formulations.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Caution
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Moderate Irritant
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR