PEG-40 Hydrogenated Lanolin
molecular structure · PubChem
AKA: Polyethylene Glycol 40 Hydrogenated Lanolin, PEG-40 Lanolin
Synthetic
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Barrier Lipid
Not Clean
Origin-Derived
Lanolin, hydrogenated, ethoxylated (40 mol EO average molar ratio)
CAS #
68648-27-1
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Lanolin (Wool)
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Conditions Hair
Emulsifier
Antioxidant Protection
Wound Healing
Softens and detangles hair
Mixes oil and water
The paper trail
🔬Peer-reviewed1 paper →
⚖️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 lists it as not reported to be in use.
CIR · report published 2018
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
murphy