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Nonoxynol-7
AKA “27942-27-4, DTXSID80182217, 20-(4-Nonylphenoxy)-3, 6, 9, 12, 15, 18-hexaoxaeicosan-1-ol, RefChem:1064893, DTXCID90104708, 18-hexaoxaicosan-1-ol, 2-[2-[2-[2-[2-[2-[2-(4-nonylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol, EINECS 248-743-1, NPEO7”
Surfactant
Ingredient Facts
Nonoxynol-7
AKA: 27942-27-4, DTXSID80182217, 20-(4-Nonylphenoxy)-3, 6, 9, 12, 15, 18-hexaoxaeicosan-1-ol, RefChem:1064893, DTXCID90104708, 18-hexaoxaicosan-1-ol, 2-[2-[2-[2-[2-[2-[2-(4-nonylphenoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol, EINECS 248-743-1, NPEO7
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(dinonylphenyl)-.omega.-hydroxy-, phosphate, (7 mol EO average molar ratio
Formula
C29H52O8
Mol. Weight
528.70
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.
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 surfactant developed for cosmetic applications. Functions as an emulsifier with no traditional or historical use prior to modern chemistry.
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