murphyPEG-4 Rapeseedamide
AKA: Polyethylene Glycol 4 Rapeseedamide
Plant-Derived
Clean
OriginDerived from rapeseed oil (Brassica napus), a cool-season crop widely cultivated in temperate regions worldwide. Produced through polyethylene glycol (PEG) esterification of rapeseed amides via chemical synthesis.
Amines, rape-oil, N-(hydroxyethyl), ethoxylated (4 mol EO average molar ratio)
CAS #
85536-23-8
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Viscosity Controlling
Controls Viscosity
Locks In Moisture
Wound Healing
Antioxidant Protection
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 772)
Skin Irritant in Testing
1 study / 1 irritating (CIR 772)
Eye Irritant in Testing
1 study / 1 irritating / reactions slight (CIR 772)
Concentration Guide
Leave-onNot reported
Rinse-off0.93–9.3%
0%50%100%
CIR reported use · report published 2019
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR