murphyPEG-100 Lanolin
molecular structure · PubChem
AKA: Polyethylene Glycol 100 Lanolin, PEG-100 Wool Grease
Synthetic
Cleanser
Emulsifier
Barrier Lipid
Not Clean
Origin-Derived
Lanolin, ethoxylated (100 mol EO average molar ratio)
CAS #
61790-81-6
Skin Types
●all-skin-types
Best For
Dryness
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.
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-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
CIR Safety Findings
Not a Skin Irritant (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 621)
Not an Eye Irritant (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 621)
Not a Sensitizer (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 621)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · report published 2018
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR