PEG-7 Hydrogenated Castor Oil
AKA “Polyethylene glycol hydrogenated castor oil, PEG-7 HCO”
Essential Oil
Ingredient Facts
Peg-7 hydrogenated castor oil
AKA: Polyethylene glycol hydrogenated castor oil, PEG-7 HCO
Essential Oil · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Emulsifier
Plant Oil
Essential Oil
Clean
Hydrogenated castor oil that gently cleanses and helps blend oils and water together in formulas. Sourced from castor seeds grown in India and Brazil.
Effective at 11.5%
CAS #
61788-85-0
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
Moisturizing
Locks in moisture to keep skin soft and supple throughout the day
Antimicrobial
Strengthens Barrier
Lifts away dirt and oil
Mixes oil and water
Traditional Use
A synthetic emulsifier created by polyethylene glycolating hydrogenated castor oil, developed to allow castor oil's traditional skin-soothing properties to integrate into modern cosmetic 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
Concentration Guide
0.002%
23.0%
0%32%
Effective Range
CIR reported use: 0.002-23 | 0.05-8
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR