C40-60 Alkyl Stearate
molecular structure · PubChem
AKA: Stearate Ester, Long-chain Stearate
Plant-Derived
Skin Conditioner
Not Clean
OriginDerived from coconut, palm kernel, or soybean oils as the primary starting materials. Produced through esterification of fatty alcohols (C40-C60 chain length) with stearic acid.
C40-60-alkyl octadecanoate
CAS #
223239-93-8
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.
Verified Jun 2026
Data: CosIng · EWG · CIR
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