murphyPEG-30 Hydrogenated Castor Oil PCA Isostearate
AKA: Hydrogenated Castor Oil PCA Isostearate Ethoxylate
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
OriginNative to India. Derived from castor oil (Ricinus communis seeds), a plant native to India and the Euphorbiaceae family. Produced through hydrogenation of castor oil, followed by ethoxylation and esterification with isostearic acid and pyrrolidone carboxylic acid.
Castor oil (Ricinus communis), hydrogenated, ethoxylated, diesters with isooctadecanoic acid and 2-pyrrolidinone-5-carboxylic acid (30 mol EO average molar ratio)
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
61788-85-0
Form
Oil
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Antioxidant Protection
Locks In Moisture
Reduces Inflammation
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
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR