PEG-11 Castor Oil
AKA “PEG-11 ricinus communis oil”
Essential Oil
Ingredient Facts
Peg-11 castor oil
AKA: PEG-11 ricinus communis oil
Essential Oil · Emollient · EWG: 4
Plant-Derived Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Plant Oil
Essential Oil
Clean
Castor oil derivative that softens skin and helps blend oil and water ingredients together in formulations, ensuring a smooth, even texture.
CAS #
61791-12-6
Form
Oil
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
Traditional Use
A synthetic emulsifier created by polyethylene glycol modification of castor oil, which has been used as a traditional healing and conditioning agent for over 3,000 years in Egyptian and Ayurvedic medicine. Developed to make castor oil more suitable for modern cosmetic formulations.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR