Nonoxynol-40
AKA “Nonoxynol 40, POE(40) nonylphenol, Nonylphenol ethoxylate 40
Synthetic
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Ingredient Facts
Nonoxynol-40
AKA: Nonoxynol 40, POE(40) nonylphenol, Nonylphenol ethoxylate 40
Synthetic · Surfactant - Cleansing | Emulsifying | Surfactant - Foam Boosting · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
A gentle cleanser that helps remove dirt and oils while keeping your skin soft. Works to blend water and oil-based ingredients in our formula.
Form
Liquid
Plant-Derived
Synthetic. Derived from ethoxylated nonylphenol, a synthetic organic compound created through petrochemical synthesis. Produced by ethoxylation of nonylphenol with ethylene oxide under alkaline catalyst conditions.
Function
Surfactant - Cleansing | Emulsifying | Surfactant - Foam Boosting
Traditional Use
Nonionic surfactant developed in the mid-20th century for cosmetic formulations. Functions as an emulsifier and solubilizer in modern skincare and personal care products.
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
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR