PEG-60 Hydrogenated Castor Oil PCA Isostearate
AKA: Polyethylene glycol hydrogenated castor oil PCA isostearate
Plant-Derived
Skin Conditioner
Plant Oil
Not Clean
Castor oil (Ricinus communis), hydrogenated, ethoxylated, diesters with isooctadecanoic acid and 2-pyrrolidinone-5-carboxylic acid (60 mol EO average molar ratio)
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
61788-85-0
Form
Oil
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Complex synthetic emulsifier developed in the late 20th century combining multiple modified oil derivatives. Engineered for advanced emulsification and texture benefits in cosmetic formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR