Laureth-11
AKA “Polyoxyethylene 11 lauryl ether, Lauryl PEG-11”
Surfactant
Ingredient Facts
Laureth-11
AKA: Polyoxyethylene 11 lauryl ether, Lauryl PEG-11
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Plant Oil
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-dodecyl-.omega.-hydroxy-
Effective at 10.0%
CAS #
9002-92-0
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
Synthetic non-ionic surfactant with approximately 11 ethylene oxide units, developed as part of the Laureth series in the mid-20th century. Balances cleansing efficacy with mildness for use in shampoos and body washes.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.0004%
20.0%
0%28%
Effective Range
CIR reported use: 7-15 | 0.005-9 | 0.0004-20 | 6-8 | 0.001-4
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR