PEG-150 Lanolin
AKA “PEG-150 Lanolin, Lanolin Derivative”
Surfactant
Ingredient Facts
Peg-150 lanolin
AKA: Lanolin Derivative
Surfactant · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Barrier Lipid
Not Clean
Lanolin, ethoxylated (150 mol EO average molar ratio)
CAS #
61790-81-6
See origin →
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.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Lanolin (Wool)
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR