C30-50 Alkyl Stearate

C30-50 Alkyl Stearate molecular structure
molecular structure · PubChem
AKA: Fatty Acid Ester
Plant-Derived
Skin Conditioner
Not Clean
OriginDerived from coconut, palm kernel, or soybean oils as the primary starting materials. Produced through esterification of long-chain fatty alcohols (C30-50) with stearic acid.
C30-50-alkyl octadecanoate
CAS #
223239-94-9
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2015
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR