PEG-8 Castor Oil
AKA “Polyethylene Glycol 8 Castor Oil”
Essential Oil
Ingredient Facts
Peg-8 castor oil
AKA: Polyethylene Glycol 8 Castor Oil
Essential Oil · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Emulsifier
Plant Oil
Essential Oil
Clean
Derived from castor seeds, this gentle cleanser helps remove impurities while keeping skin hydrated. It also helps blend oils and water-based ingredients into a smooth formula.
CAS #
61791-12-6
Form
Oil
See origin →
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
Traditional Use
Synthetic emulsifier made by PEG modification of castor oil, used for centuries in traditional Indian Ayurvedic medicine and Egyptian skincare. Created to allow castor oil's emollient and anti-inflammatory properties to function in water-based products.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR