PEG-150 Lanolin
molecular structure · PubChem
AKA: Lanolin Derivative
Allergen Warning
⚠️ Lanolin (Wool)
Synthetic
Cleanser
Emulsifier
Barrier Lipid
Not Clean
Lanolin, ethoxylated (150 mol EO average molar ratio)
CAS #
61790-81-6
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Antioxidant Protection
Reduces Inflammation
Mixes Oil & Water
Traditional Use
A synthetic derivative combining polyethylene glycol with lanolin (wool grease used since ancient times for skin softening). Developed in the 20th century to create a water-soluble version of traditional lanolin for better cosmetic formulation.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR