murphyLaneth-40
molecular structure · PubChem
AKA: PEG-40 Lanolin, Polyethylene glycol 40 lanolin ether
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from lanolin, a waxy substance obtained from sheep's wool, or synthesized from petroleum-based sources. Produced through ethoxylation of lanolin or lanolin derivatives with ethylene oxide to create a polyethylene glycol ether.
Alcohols, lanolin, ethoxylated
CAS #
61791-20-6
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Lanolin (Wool)
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
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.
Viscosity Controlling
Removes Impurities
Cleansing Surfactant
Emulsifier
Controls Viscosity
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-onNot reported
Rinse-off1–30%
0%50%100%
CIR reported use · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR