Isotridecyl Stearate

Isotridecyl Stearate 1
Isotridecyl Stearate 2
Isotridecyl Stearate 3
Isotridecyl Stearate 4
Isotridecyl Stearate 5
Isotridecyl Stearate 6
Isotridecyl Stearate 7
Isotridecyl Stearate 8
Isotridecyl Stearate 9
Isotridecyl Stearate 10
AKA: Octadecanoic acid, Isotridecyl ester, EXCEPARL TD-S, ISOTRIDECYL STEARATE [INCI]
Plant-Derived
Skin Conditioner
Plant Oil
Not Clean
Stearic acid, isotridecyl ester
Formula
C31H62O2
Mol. Weight
466.80
CAS #
31565-37-4
Form
Liquid
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
Traditional Use
A synthetic ester developed as a cosmetic emollient and thickening agent. Used to improve the texture and stability of skincare and color cosmetic products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR