Nonoxynol-120

AKA: Nonylphenol ethoxylate, Surfactant
Synthetic
Skin Conditioner
Not Clean
Nonoxynol-120 is a cosmetic ingredient. Rated moderate hazard by EWG. Assessed as safe by the CIR.
Form
Liquid
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Traditional Use
A synthetic non-ionic surfactant with very high polyethylene glycol content developed in the mid-20th century. Used in cosmetics for solubilization of oils and emulsification.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR