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Cetoleth-4
AKA “Cetyl alcohol ethoxylate, Ceteth-4, Polyethylene glycol cetyl ether”
Synthetic
Ingredient Facts
Cetoleth-4
AKA: Cetyl alcohol ethoxylate, Ceteth-4, Polyethylene glycol cetyl ether
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Plant Oil
Synthetic
Clean
A gentle cleanser that helps remove impurities and oil while keeping the formula smooth and well-blended. Derived from plant-based sources.
Effective at 9.03%
CAS #
68155-01-1
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Developed as a synthetic polyethoxylated cetyl alcohol. Used as a mild emulsifier and surfactant in modern cosmetic formulations.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.06%
18.0%
0%25%
Effective Range
CIR reported use: 0.1-18 | 0.3-10 | 1-4 | 0.06-10
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR