murphyLaureth-7
molecular structure · PubChem
AKA: 21-Heptaoxatritriacontan-1-ol, PEG-7 Lauryl ether, Heptaethylene glycol dodecyl ether, Dodecylheptaglycol, Heptaethylene glycol monododecyl ether
Synthetic
Cleanser
Emulsifier
Clean
OriginDerived from lauryl alcohol, a fatty alcohol typically sourced from coconut or palm kernel oils. Produced through ethoxylation, where ethylene oxide is chemically bonded to lauryl alcohol molecules.
3,6,9,12,15,18,21-Heptaoxatritriacontanol
CAS #
3055-97-8, 68439-50-9, 9002-92-0
Form
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
Antioxidant Protection
Brightens Skin
Fights Bacteria
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
Concentration Guide
Leave-on0.001–4%
Rinse-off0.2–2%
0%50%100%
CIR reported use · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR