murphyPEG-7 Hydrogenated Castor Oil
AKA: Polyethylene glycol hydrogenated castor oil, PEG-7 HCO
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Clean
OriginNative to India, Brazil. Derived from castor seeds (Ricinus communis) of the Euphorbiaceae family, grown in India and Brazil. Produced through cold-pressing of seeds, followed by hydrogenation and polyethylene glycol esterification.
Castor oil (Ricinus communis), hydrogenated, ethoxylated (7 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
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Surfactant Cleansing
Surfactant Emulsifying
Moisturizing
Antimicrobial
Strengthens Barrier
Lifts away dirt and oil
Mixes oil and water
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
Concentration Guide
Leave-on0.05–8%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2014
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR