murphyLaureth-1
AKA: 2-(DODECYLOXY)ETHANOL, 4536-30-5, Ethylene glycol monododecyl ether, 2-dodecoxyethanol, Lauryl ethoxylate, Ethanol, Lauryl monoethoxylate, Ethylene glycol monolauryl ether, Lauryl alcohol oxy ethanol
Synthetic
Cleanser
Emulsifier
Clean
OriginDerived from coconut or palm kernel oil fatty alcohols, typically lauryl alcohol, as the primary starting material. Produced through ethoxylation, where ethylene oxide is chemically bonded to lauryl alcohol under catalytic conditions.
The CIR Expert Panel concluded that the alkyl PEG ethers, listed below, are safe in the present practices of use and concentration described in this safety assessment when formulated to be nonirritating. This assessment is also intended to address future alkyl PEG ether cosmetic ingredients that vary from those ingredients recited herein only by the number of ethylene glycol repeat units...Laureth-1...
Formula
C14H30O2
Mol. Weight
230.39
CAS #
4536-30-5
Form
Liquid
State
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Dermal Absorption 22.9%
hairless mice / in vivo (dermal metabolism study) / 0.25% solution in ethanol / 4 hours (CIR 581)
Concentration Guide
Leave-onNot reported
Rinse-off7–15%
0%50%100%
CIR reported use · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR