Nonoxynol-13

AKA: Nonylphenol ethoxylate, Surfactant

Synthetic

Skin Conditioner

Plant Oil

Not Clean

Nonoxynol-13 is a cosmetic ingredient. 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 developed in the mid-20th century. Used in cosmetics as an emulsifier and cleansing agent.

EWG

CIR

Safe as used

Pregnancy

Caution

CIR Safety Findings

medical-approval

all-shades-safe

Moderate Irritant

Regulatory Status

USA✔ permitted

CANADA✔ permitted

Regulatory Agencies

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Caution

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory0 listings

🛡️Safety-assessed1 review →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: CosIng · EWG · CIR