murphyPEG-15 Hydrogenated Castor Oil Isostearate
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
OriginDerived from castor oil seeds (Ricinus communis), a plant in the Euphorbiaceae family native to tropical regions. Produced through catalytic hydrogenation of castor oil, followed by ethoxylation with polyethylene glycol.
Castor oil (Ricinus communis), hydrogenated, ethoxylated, monoisooctadecanoate (15 mol EO average molar ratio)
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
68648-27-1
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.
Viscosity Controlling
Emulsifier
Controls Viscosity
Mixes oil and water
Controls product thickness
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