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Nonoxynol-8
AKA “41506-14-3, RefChem:1093770, Octaethylene glycol mono(p-nonylphenyl) ether, Nonylbenzene-PEG8-OH, 23-(4-Nonylphenoxy)-3, 6, 9, 12, 15, 18, 21-heptaoxatricosan-1-ol, Rokafenol N-8, 27177-05-5, 23-(Nonylphenoxy)-3, BRN 2492581”
Ingredient
Ingredient Facts
Nonoxynol-8
AKA: 41506-14-3, RefChem:1093770, Octaethylene glycol mono(p-nonylphenyl) ether, Nonylbenzene-PEG8-OH, 23-(4-Nonylphenoxy)-3, 6, 9, 12, 15, 18, 21-heptaoxatricosan-1-ol, Rokafenol N-8, 27177-05-5, 23-(Nonylphenoxy)-3, BRN 2492581
Ingredient · Cleansing · EWG: 4
Synthetic
Cleanser
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(dinonylphenyl)-.omega.-hydroxy-, phosphate, (8 mol EO average molar ratio)
Formula
C31H56O9
Mol. Weight
572.80
CAS #
39464-64-7
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Cleansing Surfactant
Traditional Use
Synthetic nonionic surfactant developed in the mid-20th century. Used in cosmetics and personal care as an emulsifier and solubilizer.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR