Hydrogenated Castor Oil Cetyl Esters
AKA: Hydrogenated Castor Oil Ester
Plant-Derived
Emulsifier
Skin Conditioner
Hair Care
Plant Oil
Not Clean
Hydrogenated Castor Oil Cetyl Esters is the hydrogenation product of the esters formed by the reaction of castor oil and cetyl alcohol
Family
Euphorbiaceae (Spurge family)
Plant Part
Seed
CAS #
736150-63-3
Form
Oil
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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
Castor oil has ancient roots in Ayurvedic and Egyptian skincare practices. This ingredient is a modern ester synthesized by combining hydrogenated castor oil with cetyl alcohol to improve texture and stability in cosmetics.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR