Castor Oil/ Ipdi Copolymer

Castor Oil/ Ipdi Copolymer 1
Castor Oil/ Ipdi Copolymer 2
Castor Oil/ Ipdi Copolymer 3
Castor Oil/ Ipdi Copolymer 4
Castor Oil/ Ipdi Copolymer 5
AKA: Castor oil copolymer, Castor-IPDI polymer
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Clean
Castor Oil/ Ipdi Copolymer is a cosmetic ingredient. Rated low hazard by EWG.
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
68955-90-8
Form
Oil
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Film Forming
Anti-Inflammatory
Moisturizing
Strengthens Barrier
Creates protective layer
Traditional Use
A modern synthetic material combining castor oil with industrial polyisocyanate chemistry, developed for cosmetics in the late 20th century as a conditioning and film-forming agent.
EWG
1
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
ewg-1
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR